Palindromic Square Numbers

-- Searching for square numbers which are palindromic
 www.fengyuan.com

References:

  1. World of Numbers: Palindromic Square Page

  2. William Rex Marshall's Palindromic Square Number Page

 

Palindromic squares of 1 digits
No Root Square
1 1 1
2 2 4
3 3 9
time=0 s


Palindromic squares of 2 digits
No Root Square
time=0 s


Palindromic squares of 3 digits
No Root Square
1 11 121
2 22 484
3 26 676
time=0 s


Palindromic squares of 4 digits
No Root Square
time=0 s


Palindromic squares of 5 digits
No Root Square
1 101 10201
2 111 12321
3 121 14641
4 202 40804
5 212 44944
6 264 69696
7 307 94249
time=0 s


Palindromic squares of 6 digits
No Root Square
1 836 698896
time=0 s


Palindromic squares of 7 digits
No Root Square
1 1001 1002001
2 1111 1234321
3 2002 4008004
4 2285 5221225
5 2636 6948496
time=0 s


Palindromic squares of 8 digits
No Root Square
time=0 s


Palindromic squares of 9 digits
No Root Square
1 10001 100020001
2 10101 102030201
3 10201 104060401
4 11011 121242121
5 11111 123454321
6 11211 125686521
7 20002 400080004
8 20102 404090404
9 22865 522808225
10 24846 617323716
11 30693 942060249
time=0 s


Palindromic squares of 10 digits
No Root Square
time=0 s


Palindromic squares of 11 digits
No Root Square
1 100001 10000200001
2 101101 10221412201
3 110011 12102420121
4 111111 12345654321
5 200002 40000800004
time=0 s


Palindromic squares of 12 digits
No Root Square
1 798644 637832238736
time=0 s


Palindromic squares of 13 digits
No Root Square
1 1000001 1000002000001
2 1001001 1002003002001
3 1002001 1004006004001
4 1010101 1020304030201
5 1011101 1022325232201
6 1012101 1024348434201
7 1042151 1086078706801
8 1100011 1210024200121
9 1101011 1212225222121
10 1102011 1214428244121
11 1109111 1230127210321
12 1110111 1232346432321
13 1111111 1234567654321
14 1270869 1615108015161
15 2000002 4000008000004
16 2001002 4004009004004
17 2012748 4051154511504
18 2294675 5265533355625
19 3069307 9420645460249
time=0 s


Palindromic squares of 14 digits
No Root Square
time=0 s


Palindromic squares of 15 digits
No Root Square
1 10000001 100000020000001
2 10011001 100220141022001
3 10100101 102012040210201
4 10111101 102234363432201
5 11000011 121000242000121
6 11011011 121242363242121
7 11100111 123212464212321
8 11111111 123456787654321
9 11129361 123862676268321
10 12028229 144678292876441
11 12866669 165551171155561
12 20000002 400000080000004
13 30001253 900075181570009
time=0 s


Palindromic squares of 16 digits
No Root Square
1 64030648 4099923883299904
time=0 s


Palindromic squares of 17 digits
No Root Square
1 100000001 10000000200000001
2 100010001 10002000300020001
3 100020001 10004000600040001
4 100101001 10020210401202001
5 100111001 10022212521222001
6 100121001 10024214841242001
7 101000101 10201020402010201
8 101010101 10203040504030201
9 101020101 10205060806050201
10 101101101 10221432623412201
11 101111101 10223454745432201
12 110000011 12100002420000121
13 110010011 12102202520220121
14 110020011 12104402820440121
15 110091011 12120030703002121
16 110101011 12122232623222121
17 110111011 12124434743442121
18 111000111 12321024642012321
19 111010111 12323244744232321
20 111091111 12341234943214321
21 111101111 12343456865434321
22 111111111 12345678987654321
23 200000002 40000000800000004
24 200010002 40004000900040004
25 306930693 94206450305460249
time=0 s


Palindromic squares of 18 digits
No Root Square
time=0 s


Palindromic squares of 19 digits
No Root Square
1 1000000001 1000000002000000001
2 1000110001 1000220014100220001
3 1001001001 1002003004003002001
4 1001111001 1002223236323222001
5 1010000101 1020100204020010201
6 1010110101 1020322416142230201
7 1011001101 1022123226223212201
8 1011111101 1022345658565432201
9 1100000011 1210000024200000121
10 1100110011 1210242036302420121
11 1101001011 1212203226223022121
12 1101111011 1212445458545442121
13 1110000111 1232100246420012321
14 1110110111 1232344458544432321
15 1111001111 1234323468643234321
16 2000000002 4000000008000000004
17 2062386218 4253436912196343524
18 2481623254 6158453974793548516
time=0 s


Palindromic squares of 20 digits
No Root Square
time=0 s


Palindromic squares of 21 digits
No Root Square
1 10000000001 100000000020000000001
2 10000100001 100002000030000200001
3 10000200001 100004000060000400001
4 10001010001 100020201040102020001
5 10001110001 100022201252102220001
6 10001210001 100024201484102420001
7 10010001001 100200120040021002001
8 10010101001 100202122050221202001
9 10010201001 100204124080421402001
10 10011011001 100220341262143022001
11 10011111001 100222343474343222001
12 10100000101 102010002040200010201
13 10100100101 102012022050220210201
14 10100200101 102014042080240410201
15 10101010101 102030405060504030201
16 10101110101 102032425272524230201
17 10109901101 102210100272001012201
18 10110001101 102212122262221212201
19 10110101101 102214144272441412201
20 10110911101 102230523292325032201
21 10111011101 102232545484545232201
22 10111111101 102234567696765432201
23 11000000011 121000000242000000121
24 11000100011 121002200252002200121
25 11000200011 121004400282004400121
26 11000910011 121020021070120020121
27 11001010011 121022221262122220121
28 11001110011 121024421474124420121
29 11010001011 121220122262221022121
30 11010101011 121222324272423222121
31 11010911011 121240161292161042121
32 11011011011 121242363484363242121
33 11011111011 121244565696565442121
34 11100000111 123210002464200012321
35 11100100111 123212222474222212321
36 11100910111 123230205292502032321
37 11101010111 123232425484524232321
38 11101110111 123234645696546432321
39 11110001111 123432124686421234321
40 11110101111 123434346696643434321
41 10207355549 104190107303701091401
42 10106064399 102132537636735231201
43 13579355059 184398883818388893481
44 20000000002 400000000080000000004
45 20000100002 400004000090000400004
46 22865150135 522815090696090518225
47 30101273647 906086675171576680609
48 30693069307 942064503484305460249
time=0 s


Palindromic squares of 22 digits
No Root Square
1 83163115486 6916103777337773016196
time=1 s


Palindromic squares of 23 digits
No Root Square
1 100000000001 10000000000200000000001
2 100001100001 10000220001410002200001
3 100010010001 10002002100400120020001
4 100011110001 10002222123632122220001
5 100100001001 10020010200400201002001
6 100101101001 10020230421612403202001
7 100110011001 10022014302620341022001
8 100111111001 10022234545854543222001
9 101000000101 10201000020402000010201
10 101001100101 10201222221612222210201
11 101010010101 10203022140604122030201
12 101011110101 10203244363836344230201
13 101100001101 10221210222622201212201
14 101101101101 10221432643834623412201
15 101110011101 10223234344844343232201
16 101116809851 10224609234443290642201
17 110000000011 12100000002420000000121
18 110001100011 12100242003630024200121
19 110010010011 12102202302620320220121
20 110011110011 12102444325852344420121
21 110100001011 12122010222622201022121
22 110101101011 12122252443834425222121
23 110110011011 12124214524842541242121
24 111000000111 12321000024642000012321
25 111001100111 12321244225852244212321
26 111010010111 12323222344844322232321
27 111100001111 12343210246864201234321
28 111283619361 12384043938083934048321
29 112247658961 12599536942224963599521
30 128817084669 16593841302620314839561
31 200000000002 40000000000800000000004
time=0 s


Palindromic squares of 24 digits
No Root Square
time=1 s


Palindromic squares of 25 digits
No Root Square
1 1000000000001 1000000000002000000000001
2 1000001000001 1000002000003000002000001
3 1000002000001 1000004000006000004000001
4 1000010100001 1000020200104010020200001
5 1000011100001 1000022200125210022200001
6 1000012100001 1000024200148410024200001
7 1000100010001 1000200030004000300020001
8 1000101010001 1000202030205020302020001
9 1000102010001 1000204030408040304020001
10 1000110110001 1000220232126212320220001
11 1000111110001 1000222232347432322220001
12 1001000001001 1002001002004002001002001
13 1001001001001 1002003004005004003002001
14 1001002001001 1002005006008006005002001
15 1001010101001 1002021222306032221202001
16 1001011101001 1002023224327234223202001
17 1001100011001 1002201232026202321022001
18 1001101011001 1002203234227224323022001
19 1001110111001 1002221454348434541222001
20 1001111111001 1002223456569656543222001
21 1010000000101 1020100000204020000010201
22 1010001000101 1020102020205020202010201
23 1010002000101 1020104040208020404010201
24 1010010100101 1020120402306032040210201
25 1010011100101 1020122422327232242210201
26 1010099010101 1020300010207020100030201
27 1010100010101 1020302030406040302030201
28 1010101010101 1020304050607060504030201
29 1010109110101 1020320414309034140230201
30 1010110110101 1020322434528254342230201
31 1010111110101 1020324454749474544230201
32 1011000001101 1022121002226222001212201
33 1011001001101 1022123024227224203212201
34 1011010101101 1022141424528254241412201
35 1011011101101 1022143446549456443412201
36 1011099011101 1022321210249420121232201
37 1011100011101 1022323232448442323232201
38 1011101011101 1022325254649464525232201
39 1100000000011 1210000000024200000000121
40 1100001000011 1210002200025200022000121
41 1100002000011 1210004400028200044000121
42 1100009100011 1210020020107010200200121
43 1100010100011 1210022220126210222200121
44 1100011100011 1210024420147410244200121
45 1100100010011 1210220032026202300220121
46 1100101010011 1210222232227222322220121
47 1100110110011 1210242254148414522420121
48 1100111110011 1210244454369634544420121
49 1101000001011 1212201002226222001022121
50 1101001001011 1212203204227224023022121
51 1101009101011 1212221040509050401222121
52 1101010101011 1212223242528252423222121
53 1101011101011 1212225444549454445222121
54 1101100011011 1212421234248424321242121
55 1101101011011 1212423436449446343242121
56 1110000000111 1232100000246420000012321
57 1110001000111 1232102220247420222012321
58 1110009100111 1232120202329232020212321
59 1110010100111 1232122422348432242212321
60 1110011100111 1232124642369632464212321
61 1110100010111 1232322032448442302232321
62 1110101010111 1232324252649462524232321
63 1111000001111 1234321002468642001234321
64 1111001001111 1234323224469644223234321
65 1349465117841 1821056104269624016501281
66 2000000000002 4000000000008000000000004
67 2000001000002 4000004000009000004000004
68 2149099165358 4618627222542452227268164
69 2634812417864 6942236477330337746322496
70 3069306930693 9420645034800084305460249
time=4 s


Palindromic squares of 26 digits
No Root Square
1 6360832925898 40460195511188111559106404
time=13 s


Palindromic squares of 27 digits
No Root Square
1 10000000000001 100000000000020000000000001
2 10000011000001 100000220000141000022000001
3 10000100100001 100002002010040010200200001
4 10000111100001 100002222012363210222200001
5 10001000010001 100020001200040002100020001
6 10001011010001 100020221222161222122020001
7 10001100110001 100022003410262014300220001
8 10001111110001 100022223434585434322220001
9 10010000001001 100200100020040020001002001
10 10010011001001 100200320240161042023002001
11 10010100101001 100202104032060230401202001
12 10010111101001 100202324254383452423202001
13 10011000011001 100220121220262022121022001
14 10011011011001 100220341462383264143022001
15 10011100111001 100222125432484234521222001
16 10100000000101 102010000002040200000010201
17 10100011000101 102010222202161202222010201
18 10100100100101 102012022032060230220210201
19 10100111100101 102012244234383432442210201
20 10101000010101 102030201204060402102030201
21 10101011010101 102030423426181624324030201
22 10101100110101 102032223434282434322230201
23 10110000001101 102212100022262220001212201
24 10110011001101 102212322442383244223212201
25 10110100101101 102214124054282450421412201
26 10111000011101 102232321224484422123232201
27 11000000000011 121000000000242000000000121
28 11000011000011 121000242000363000242000121
29 11000100100011 121002202210262012202200121
30 11000111100011 121002444212585212444200121
31 11001000010011 121022001220262022100220121
32 11001011010011 121022243242383242342220121
33 11001100110011 121024203630484036302420121
34 11010000001011 121220100022262220001022121
35 11010011001011 121220342242383242243022121
36 11010100101011 121222304234282432403222121
37 11011000011011 121242121242484242121242121
38 11100000000111 123210000002464200000012321
39 11100011000111 123210244202585202442012321
40 11100100100111 123212222232484232222212321
41 11101000010111 123232201224484422102232321
42 11110000001111 123432100024686420001234321
43 20000000000002 400000000000080000000000004
44 30395080190573 923860899791363197998068329
time=11 s


Palindromic squares of 28 digits
No Root Square
1 69800670077028 4872133543202112023453312784
2 98275825201587 9658137819052882509187318569
time=24 s


Palindromic squares of 29 digits
No Root Square
1 100000000000001 10000000000000200000000000001
2 100000010000001 10000002000000300000020000001
3 100000020000001 10000004000000600000040000001
4 100000101000001 10000020200010401000202000001
5 100000111000001 10000022200012521000222000001
6 100000121000001 10000024200014841000242000001
7 100001000100001 10000200021000400012000200001
8 100001010100001 10000202021020502012020200001
9 100001020100001 10000204021040804012040200001
10 100001101100001 10000220221212621212202200001
11 100001111100001 10000222221234743212222200001
12 100010000010001 10002000102000400020100020001
13 100010010010001 10002002102200500220120020001
14 100010020010001 10002004102400800420140020001
15 100010101010001 10002020304030603040302020001
16 100010111010001 10002022304232723240322020001
17 100011000110001 10002200143002620034100220001
18 100011010110001 10002202143222722234120220001
19 100011101110001 10002220345234843254302220001
20 100011111110001 10002222345456965454322220001
21 100100000001001 10020010000200400200001002001
22 100100010001001 10020012002200500220021002001
23 100100020001001 10020014004200800240041002001
24 100100101001001 10020030220410601402203002001
25 100100111001001 10020032222412721422223002001
26 100101000101001 10020210221220602212201202001
27 100101010101001 10020212223240704232221202001
28 100101101101001 10020230441632823614403202001
29 100101111101001 10020232443654945634423202001
30 100109990011001 10022010100002720000101022001
31 100110000011001 10022012102202620220121022001
32 100110010011001 10022014104402720440141022001
33 100110091011001 10022030322230903222303022001
34 100110101011001 10022032324432823442323022001
35 100110111011001 10022034326634943662343022001
36 100110990111001 10022210341004940014301222001
37 100111000111001 10022212343224842234321222001
38 100111010111001 10022214345444944454341222001
39 101000000000101 10201000000020402000000010201
40 101000010000101 10201002020020502002020010201
41 101000020000101 10201004040020802004040010201
42 101000101000101 10201020402030603020402010201
43 101000111000101 10201022422032723022422010201
44 101000990100101 10201200001200700210000210201
45 101001000100101 10201202021220602212020210201
46 101001010100101 10201204041240704214040210201
47 101001091100101 10201220403410901430402210201
48 101001101100101 10201222423432823432422210201
49 101001111100101 10201224443454945434442210201
50 101010000010101 10203020102040604020102030201
51 101010010010101 10203022122240704222122030201
52 101010101010101 10203040506070807060504030201
53 101010111010101 10203042526272927262524030201
54 101010990110101 10203220123022922032102230201
55 101011000110101 10203222143242824234122230201
56 101011010110101 10203224163462926436142230201
57 101100000001101 10221210000222622200001212201
58 101100010001101 10221212022222722222021212201
59 101100101001101 10221230422432823422403212201
60 101100111001101 10221232444434943444423212201
61 101101000101101 10221412221442824412221412201
62 101101010101101 10221414243462926434241412201
63 101110000011101 10223232102244844220123232201
64 101110010011101 10223234124444944442143232201
65 110000000000011 12100000000002420000000000121
66 110000010000011 12100002200002520000220000121
67 110000020000011 12100004400002820000440000121
68 110000091000011 12100020020010701002002000121
69 110000101000011 12100022220012621002222000121
70 110000111000011 12100024420014741002442000121
71 110001000100011 12100220023002620032002200121
72 110001010100011 12100222223022722032222200121
73 110001101100011 12100242243214841234224200121
74 110001111100011 12100244443236963234444200121
75 110010000010011 12102200102202620220100220121
76 110010010010011 12102202302402720420320220121
77 110010091010011 12102220124030903042102220121
78 110010101010011 12102222324232823242322220121
79 110010111010011 12102224524434943442542220121
80 110011000110011 12102420145204840254102420121
81 110011010110011 12102422345424942454322420121
82 110100000001011 12122010000222622200001022121
83 110100010001011 12122012202222722220221022121
84 110100101001011 12122032240432823404223022121
85 110100111001011 12122034442434943424443022121
86 110101000101011 12122230223242824232203222121
87 110101010101011 12122232425262926252423222121
88 110110000011011 12124212102424842420121242121
89 110110010011011 12124214304624942640341242121
90 111000000000111 12321000000024642000000012321
91 111000010000111 12321002220024742002220012321
92 111000091000111 12321020202032923020202012321
93 111000101000111 12321022422034843022422012321
94 111000111000111 12321024642036963024642012321
95 111001000100111 12321222023224842232022212321
96 111001010100111 12321224243244944234242212321
97 111010000010111 12323220102244844220102232321
98 111010010010111 12323222322444944422322232321
99 111100000001111 12343210000246864200001234321
100 111100010001111 12343212222246964222221234321
101 129610990752569 16799008923862526832980099761
102 200000000000002 40000000000000800000000000004
103 200000010000002 40000004000000900000040000004
104 210786628549538 44431002775280908257720013444
105 314155324482867 98693567900935453900976539689
time=56 s


Palindromic squares of 30 digits
No Root Square
time=174 s


Palindromic squares of 31 digits
No Root Square
1 1000000000000001 1000000000000002000000000000001
2 1000000110000001 1000000220000014100000220000001
3 1000001001000001 1000002002001004001002002000001
4 1000001111000001 1000002222001236321002222000001
5 1000010000100001 1000020000300004000030000200001
6 1000010110100001 1000020220302216122030220200001
7 1000011001100001 1000022002321026201232002200001
8 1000011111100001 1000022222323458543232222200001
9 1000100000010001 1000200010020004000200100020001
10 1000100110010001 1000200230042016102400320020001
11 1000101001010001 1000202012221206021222102020001
12 1000101111010001 1000202232243438343422322020001
13 1000110000110001 1000220012320026200232100220001
14 1000110110110001 1000220232344238324432320220001
15 1000111001110001 1000222014541248421454102220001
16 1001000000001001 1002001000002004002000001002001
17 1001000110001001 1002001220222016102220221002001
18 1001001001001001 1002003004005006005004003002001
19 1001001111001001 1002003224225238325224223002001
20 1001010000101001 1002021020302206022030201202001
21 1001010110101001 1002021240524418144250421202001
22 1001011001101001 1002023024325228225234203202001
23 1001100000011001 1002201210022026202200121022001
24 1001100110011001 1002201430264038304620341022001
25 1001101001011001 1002203214225228225224123022001
26 1001110000111001 1002221232322248422232321222001
27 1010000000000101 1020100000000204020000000010201
28 1010000110000101 1020100222200216120022220010201
29 1010001001000101 1020102022021206021202202010201
30 1010001111000101 1020102244221438341224422010201
31 1010010000100101 1020120200302206022030020210201
32 1010010110100101 1020120422504418144052240210201
33 1010011001100101 1020122222343228223432222210201
34 1010100000010101 1020302010020406040200102030201
35 1010100110010101 1020302232242418142422322030201
36 1010101001010101 1020304032241608061422304030201
37 1010110000110101 1020322212322428242232122230201
38 1011000000001101 1022121000002226222000001212201
39 1011000110001101 1022121222422238322242221212201
40 1011001001001101 1022123024025228225204203212201
41 1011010000101101 1022141220304428244030221412201
42 1011100000011101 1022323210022448442200123232201
43 1100000000000011 1210000000000024200000000000121
44 1100000110000011 1210000242000036300002420000121
45 1100001001000011 1210002202201026201022022000121
46 1100001111000011 1210002444201258521024442000121
47 1100010000100011 1210022000320026200230002200121
48 1100010110100011 1210022242322238322232422200121
49 1100011001100011 1210024202541048401452024200121
50 1100100000010011 1210220010022026202200100220121
51 1100100110010011 1210220252044038304402520220121
52 1100101001010011 1210222212423228223242122220121
53 1100110000110011 1210242012342048402432102420121
54 1101000000001011 1212201000002226222000001022121
55 1101000110001011 1212201242222238322222421022121
56 1101001001001011 1212203204205228225024023022121
57 1101010000101011 1212223020322428242230203222121
58 1101100000011011 1212421210024248424200121242121
59 1110000000000111 1232100000000246420000000012321
60 1110000110000111 1232100244200258520024420012321
61 1110001001000111 1232102222221248421222222012321
62 1110010000100111 1232122200322248422230022212321
63 1110100000010111 1232322010022448442200102232321
64 1111000000001111 1234321000002468642000001234321
65 2000000000000002 4000000000000008000000000000004
66 2201019508986478 4844486878939076709398786844484
67 2564053868197734 6574372239019762679109322734756
68 3066446727654243 9403095533541415141453355903049
69 3107974295870663 9659504223792743472973224059569
70 3138199296186067 9848294822582726272852284928489
time=151 s


Palindromic squares of 32 digits
No Root Square
1 6819209882215742 46501623417708833880771432610564
time=407 s


Palindromic squares of 33 digits
No Root Square
1 10000000000000001 100000000000000020000000000000001
2 10000000100000001 100000002000000030000000200000001
3 10000000200000001 100000004000000060000000400000001
4 10000001010000001 100000020200001040100002020000001
5 10000001110000001 100000022200001252100002220000001
6 10000001210000001 100000024200001484100002420000001
7 10000010001000001 100000200020100040001020002000001
8 10000010101000001 100000202020102050201020202000001
9 10000010201000001 100000204020104080401020402000001
10 10000011011000001 100000220220121262121022022000001
11 10000011111000001 100000222220123474321022222000001
12 10000100000100001 100002000012000040000210000200001
13 10000100100100001 100002002012020050020210200200001
14 10000100200100001 100002004012040080040210400200001
15 10000101010100001 100002020212203060302212020200001
16 10000101110100001 100002022212223272322212220200001
17 10000110001100001 100002200034100262001430002200001
18 10000110101100001 100002202034122272221430202200001
19 10000111011100001 100002220234323484323432022200001
20 10000111111100001 100002222234345696543432222200001
21 10001000000010001 100020001000200040002000100020001
22 10001000100010001 100020003000400050004000300020001
23 10001000200010001 100020005000600080006000500020001
24 10001001010010001 100020021202221060122202120020001
25 10001001110010001 100020023202421272124202320020001
26 10001010001010001 100020201040302060203040102020001
27 10001010101010001 100020203040504070405040302020001
28 10001011011010001 100020221242343282343242122020001
29 10001011111010001 100020223242545494545242322020001
30 10001100000110001 100022001212200262002212100220001
31 10001100100110001 100022003212420272024212300220001
32 10001101010110001 100022021414423282324414120220001
33 10001101110110001 100022023414643494346414320220001
34 10001110001110001 100022201254302484203452102220001
35 10001110101110001 100022203254524494425452302220001
36 10010000000001001 100200100000020040020000001002001
37 10010000100001001 100200102002020050020200201002001
38 10010000200001001 100200104004020080020400401002001
39 10010001010001001 100200120220221060122022021002001
40 10010001110001001 100200122222221272122222221002001
41 10010010001001001 100200300220140060041022003002001
42 10010010101001001 100200302222142070241222203002001
43 10010011011001001 100200320440361282163044023002001
44 10010011111001001 100200322442363494363244223002001
45 10010099900101001 100202100010002070200010001202001
46 10010100000101001 100202102012022060220210201202001
47 10010100100101001 100202104014042070240410401202001
48 10010101010101001 100202122232425080524232221202001
49 10010101110101001 100202124234445292544432421202001
50 10010109901101001 100202300232120292021232003202001
51 10010110001101001 100202302234142282241432203202001
52 10010110101101001 100202304236164292461632403202001
53 10011000000011001 100220121000220262022000121022001
54 10011000100011001 100220123002420272024200321022001
55 10011001010011001 100220141222441282144222141022001
56 10011001110011001 100220143224641494146422341022001
57 10011010001011001 100220321240342282243042123022001
58 10011010101011001 100220323242544292445242323022001
59 10011099900111001 100222121210002494200012121222001
60 10011100000111001 100222123212222484222212321222001
61 10011100100111001 100222125214442494244412521222001
62 10100000000000101 102010000000002040200000000010201
63 10100000100000101 102010002020002050200020200010201
64 10100000200000101 102010004040002080200040400010201
65 10100001010000101 102010020402003060300204020010201
66 10100001110000101 102010022422003272300224220010201
67 10100009901000101 102010200000300070003000002010201
68 10100010001000101 102010202020302060203020202010201
69 10100010101000101 102010204040304070403040402010201
70 10100010911000101 102010220402321090123204022010201
71 10100011011000101 102010222422323282323224222010201
72 10100011111000101 102010224442325494523244422010201
73 10100100000100101 102012020012022060220210020210201
74 10100100100100101 102012022032042070240230220210201
75 10100101010100101 102012040414225080522414040210201
76 10100101110100101 102012042434245292542434240210201
77 10100109901100101 102012220014300292003410022210201
78 10100110001100101 102012222034322282223430222210201
79 10100110101100101 102012224054344292443450422210201
80 10101000000010101 102030201000204060402000102030201
81 10101000100010101 102030203020404070404020302030201
82 10101001010010101 102030221404225080522404122030201
83 10101001110010101 102030223424425292524424322030201
84 10101009901010101 102030401020304090403020104030201
85 10101010001010101 102030403040506080605040304030201
86 10101010101010101 102030405060708090807060504030201
87 10101100000110101 102032221212224282422212122230201
88 10101100100110101 102032223232444292444232322230201
89 10110000000001101 102212100000022262220000001212201
90 10110000100001101 102212102022022272220220201212201
91 10110001010001101 102212120422223282322224021212201
92 10110001110001101 102212122444223494322444221212201
93 10110010001001101 102212302220342282243022203212201
94 10110010101001101 102212304242344292443242403212201
95 10110100000101101 102214122012044282440210221412201
96 10110100100101101 102214124034064292460430421412201
97 10111000000011101 102232321000224484422000123232201
98 10111000100011101 102232323022424494424220323232201
99 11000000000000011 121000000000000242000000000000121
100 11000000100000011 121000002200000252000002200000121
101 11000000200000011 121000004400000282000004400000121
102 11000000910000011 121000020020001070100020020000121
103 11000001010000011 121000022220001262100022220000121
104 11000001110000011 121000024420001474100024420000121
105 11000010001000011 121000220022100262001220022000121
106 11000010101000011 121000222222102272201222222000121
107 11000011011000011 121000242242121484121242242000121
108 11000011111000011 121000244442123696321244442000121
109 11000100000100011 121002200012200262002210002200121
110 11000100100100011 121002202212220272022212202200121
111 11000101010100011 121002222232403282304232222200121
112 11000101110100011 121002224432423494324234422200121
113 11000110001100011 121002420036300484003630024200121
114 11000110101100011 121002422236322494223632224200121
115 11001000000010011 121022001000220262022000100220121
116 11001000100010011 121022003200420272024002300220121
117 11001000910010011 121022021022041090140220120220121
118 11001001010010011 121022023222241282142222320220121
119 11001001110010011 121022025422441494144224520220121
120 11001010001010011 121022221042322282223240122220121
121 11001010101010011 121022223242524292425242322220121
122 11001100000110011 121024201212420484024212102420121
123 11001100100110011 121024203412640494046214302420121
124 11010000000001011 121220100000022262220000001022121
125 11010000100001011 121220102202022272220202201022121
126 11010001010001011 121220122240223282322042221022121
127 11010001110001011 121220124442223494322244421022121
128 11010010001001011 121220320222142282241222023022121
129 11010010101001011 121220322424144292441424223022121
130 11010100000101011 121222302012224282422210203222121
131 11010100100101011 121222304214244292442412403222121
132 11011000000011011 121242121000242484242000121242121
133 11011000100011011 121242123202442494244202321242121
134 11100000000000111 123210000000002464200000000012321
135 11100000100000111 123210002220002474200022200012321
136 11100000910000111 123210020202003292300202020012321
137 11100001010000111 123210022422003484300224220012321
138 11100001110000111 123210024642003696300246420012321
139 11100010001000111 123210222022302484203220222012321
140 11100010101000111 123210224242304494403242422012321
141 11100100000100111 123212220012222484222210022212321
142 11100100100100111 123212222232242494242232222212321
143 11101000000010111 123232201000224484422000102232321
144 11101000100010111 123232203220424494424022302232321
145 11110000000001111 123432100000024686420000001234321
146 11110000100001111 123432102222024696420222201234321
147 11843191515764821 140261185279083838380972581162041
148 12797593520483481 163778399915520777025519993877361
149 11863792420598929 140749570599060595060995075947041
150 13593470459544309 184782439134503767305431934287481
151 13661181333262459 186627875420278656872024578726681
152 20000000000000002 400000000000000080000000000000004
153 20000000100000002 400000004000000090000000400000004
time=897 s


Palindromic squares of 34 digits
No Root Square
1 40447213778058769 1635977102407987117897042017795361
time=677 s


Palindromic squares of 35 digits
No Root Square
1 100000000000000001 10000000000000000200000000000000001
2 100000001100000001 10000000220000001410000002200000001
3 100000010010000001 10000002002000100400100020020000001
4 100000011110000001 10000002222000123632100022220000001
5 100000100001000001 10000020000210000400001200002000001
6 100000101101000001 10000020220210221612201202202000001
7 100000110011000001 10000022002212102620121220022000001
8 100000111111000001 10000022222212345854321222222000001
9 100001000000100001 10000200001020000400002010000200001
10 100001001100100001 10000200221022201610222012200200001
11 100001010010100001 10000202003040120602104030020200001
12 100001011110100001 10000202223042343834324032220200001
13 100001100001100001 10000220001430002620003410002200001
14 100001101101100001 10000220221432423832423412202200001
15 100001110011100001 10000222003452124842125430022200001
16 100010000000010001 10002000100002000400020000100020001
17 100010001100010001 10002000320024001610042002300020001
18 100010010010010001 10002002102202300600320220120020001
19 100010011110010001 10002002322224323832342222320020001
20 100010100001010001 10002020102212020602021220102020001
21 100010101101010001 10002020322234241814243222302020001
22 100010110011010001 10002022104414322822341440122020001
23 100011000000110001 10002200121022002620022012100220001
24 100011001100110001 10002200341046203830264014300220001
25 100011010010110001 10002202123242322822324232120220001
26 100011100001110001 10002220123432024842023432102220001
27 100100000000001001 10020010000000200400200000001002001
28 100100001100001001 10020010220220201610202202201002001
29 100100010010001001 10020012004002300600320040021002001
30 100100011110001001 10020012224222323832322242221002001
31 100100100001001001 10020030020210400600401202003002001
32 100100101101001001 10020030240430621812603404203002001
33 100100110011001001 10020032024214502820541242023002001
34 100101000000101001 10020210201020220602202010201202001
35 100101001100101001 10020210421242421812424212401202001
36 100101010010101001 10020212205042340804324050221202001
37 100101100001101001 10020230221430422822403412203202001
38 100110000000011001 10022012100002202620220000121022001
39 100110001100011001 10022012320244203830244202321022001
40 100110010010011001 10022014104204502820540240141022001
41 100110100001011001 10022032122212422822421222123022001
42 100111000000111001 10022212321022224842222012321222001
43 101000000000000101 10201000000000020402000000000010201
44 101000001100000101 10201000222200021612000222200010201
45 101000010010000101 10201002022020120602102022020010201
46 101000011110000101 10201002244220143834102244220010201
47 101000100001000101 10201020200212020602021200202010201
48 101000101101000101 10201020422412241814221422402010201
49 101000110011000101 10201022222234122822143222222010201
50 101001000000100101 10201202001020220602202010020210201
51 101001001100100101 10201202223222421812422232220210201
52 101001010010100101 10201204023060340804306032040210201
53 101001100001100101 10201222201432222822223410222210201
54 101010000000010101 10203020100002040604020000102030201
55 101010001100010101 10203020322224041814042222302030201
56 101010010010010101 10203022122222340804322222122030201
57 101010100001010101 10203040302214060806041220304030201
58 101011000000110101 10203222121022242824222012122230201
59 101100000000001101 10221210000000222622200000001212201
60 101100001100001101 10221210222420223832202422201212201
61 101100010010001101 10221212024022322822322042021212201
62 101100100001001101 10221230220212422822421202203212201
63 101101000000101101 10221412201020442824402010221412201
64 101110000000011101 10223232100002244844220000123232201
65 110000000000000011 12100000000000002420000000000000121
66 110000001100000011 12100000242000003630000024200000121
67 110000010010000011 12100002202200102620100220220000121
68 110000011110000011 12100002444200125852100244420000121
69 110000100001000011 12100022000230002620003200022000121
70 110000101101000011 12100022242230223832203224222000121
71 110000110011000011 12100024202432104840123420242000121
72 110001000000100011 12100220001022002620022010002200121
73 110001001100100011 12100220243024203830242034202200121
74 110001010010100011 12100222203242122822124230222200121
75 110001100001100011 12100242001452004840025410024200121
76 110010000000010011 12102200100002202620220000100220121
77 110010001100010011 12102200342024203830242024300220121
78 110010010010010011 12102202302402502820520420320220121
79 110010100001010011 12102222102232222822223220122220121
80 110011000000110011 12102420121024204840242012102420121
81 110100000000001011 12122010000000222622200000001022121
82 110100001100001011 12122010242220223832202224201022121
83 110100010010001011 12122012204202322822320240221022121
84 110100100001001011 12122032020230422822403202023022121
85 110101000000101011 12122230201022242824222010203222121
86 110110000000011011 12124212100002424842420000121242121
87 111000000000000111 12321000000000024642000000000012321
88 111000001100000111 12321000244200025852000244200012321
89 111000010010000111 12321002222220124842102222220012321
90 111000100001000111 12321022200232024842023200222012321
91 111001000000100111 12321222001022224842222010022212321
92 111010000000010111 12323220100002244844220000102232321
93 111100000000001111 12343210000000246864200000001234321
94 135772344267730059 18434129467955011411055976492143481
95 200000000000000002 40000000000000000800000000000000004
96 207254460945174618 42954411581674911011947618511445924
97 228138929476341405 52047371142611077177011624117374025
98 306950094269977057 94218360372347802120874327306381249
time=2,899 s


Palindromic squares of 36 digits
No Root Square
1 404099764753665981 163296619873968186681869378916692361
2 633856150760638652 401773619857093475574390758916377104
3 795559265009384106 632914544142271449944172241445419236
time=2,982 s


Palindromic squares of 37 digits
No Root Square
1 1000000000000000001 1000000000000000002000000000000000001
2 1000000001000000001 1000000002000000003000000002000000001
3 1000000002000000001 1000000004000000006000000004000000001
4 1000000010100000001 1000000020200000104010000020200000001
5 1000000011100000001 1000000022200000125210000022200000001
6 1000000012100000001 1000000024200000148410000024200000001
7 1000000100010000001 1000000200020010004000100200020000001
8 1000000101010000001 1000000202020010205020100202020000001
9 1000000102010000001 1000000204020010408040100204020000001
10 1000000110110000001 1000000220220012126212100220220000001
11 1000000111110000001 1000000222220012347432100222220000001
12 1000001000001000001 1000002000003000004000003000002000001
13 1000001001001000001 1000002002003002005002003002002000001
14 1000001002001000001 1000002004003004008004003004002000001
15 1000001010101000001 1000002020203020306030203020202000001
16 1000001011101000001 1000002022203022327232203022202000001
17 1000001100011000001 1000002200023210026200123200022000001
18 1000001101011000001 1000002202023212227222123202022000001
19 1000001110111000001 1000002220223232348432323220222000001
20 1000001111111000001 1000002222223234569654323222222000001
21 1000010000000100001 1000020000100200004000020010000200001
22 1000010001000100001 1000020002100220005000220012000200001
23 1000010002000100001 1000020004100240008000420014000200001
24 1000010010100100001 1000020020300402106012040030200200001
25 1000010011100100001 1000020022300422127212240032200200001
26 1000010100010100001 1000020200122210206020122210020200001
27 1000010101010100001 1000020202122230407040322212020200001
28 1000010110110100001 1000020220322414328234142230220200001
29 1000010111110100001 1000020222322434549454342232220200001
30 1000011000001100001 1000022000123200026200023210002200001
31 1000011001001100001 1000022002123222027202223212002200001
32 1000011010101100001 1000022020323422328232243230202200001
33 1000011011101100001 1000022022323444349434443232202200001
34 1000011100011100001 1000022200145410248420145410022200001
35 1000011101011100001 1000022202145432449442345412022200001
36 1000100000000010001 1000200010000020004000200000100020001
37 1000100001000010001 1000200012000220005000220002100020001
38 1000100002000010001 1000200014000420008000240004100020001
39 1000100010100010001 1000200030202040106010402020300020001
40 1000100011100010001 1000200032202240127210422022300020001
41 1000100100010010001 1000200210040032006002300400120020001
42 1000100101010010001 1000200212040232207022320402120020001
43 1000100110110010001 1000200230242054128214502420320020001
44 1000100111110010001 1000200232242254349434522422320020001
45 1000101000001010001 1000202010203020206020203020102020001
46 1000101001001010001 1000202012203222207022223022102020001
47 1000101010101010001 1000202030405060508050605040302020001
48 1000101011101010001 1000202032405262529252625042302020001
49 1000101100011010001 1000202210243232228222323420122020001
50 1000101101011010001 1000202212243434429244343422122020001
51 1000109999000110001 1000220010100000027200000010100220001
52 1000110000000110001 1000220012100220026200220012100220001
53 1000110001000110001 1000220014100440027200440014100220001
54 1000110009100110001 1000220030302222109012222030300220001
55 1000110010100110001 1000220032302442128212442032300220001
56 1000110011100110001 1000220034302662149412662034300220001
57 1000110099010110001 1000220210142012029202102410120220001
58 1000110100010110001 1000220212142232228222322412120220001
59 1000110101010110001 1000220214142452429242542414120220001
60 1000111000001110001 1000222012323220248420223232102220001
61 1000111001001110001 1000222014323442249422443234102220001
62 1001000000000001001 1002001000000002004002000000001002001
63 1001000001000001001 1002001002002002005002002002001002001
64 1001000002000001001 1002001004004002008002004004001002001
65 1001000010100001001 1002001020220202106012020220201002001
66 1001000011100001001 1002001022222202127212022222201002001
67 1001000100010001001 1002001200220032006002300220021002001
68 1001000101010001001 1002001202222032207022302222021002001
69 1001000110110001001 1002001220440234128214320440221002001
70 1001000111110001001 1002001222442234349434322442221002001
71 1001000999001001001 1002003000001002007002001000003002001
72 1001001000001001001 1002003002003004006004003002003002001
73 1001001001001001001 1002003004005006007006005004003002001
74 1001001010101001001 1002003022223224308034223222203002001
75 1001001011101001001 1002003024225226329236225224203002001
76 1001001100011001001 1002003202223234028204323222023002001
77 1001001101011001001 1002003204225236229226325224023002001
78 1001010000000101001 1002021020100202206022020010201202001
79 1001010001000101001 1002021022102222207022222012201202001
80 1001010010100101001 1002021040320604308034060230401202001
81 1001010011100101001 1002021042322624329234262232401202001
82 1001010100010101001 1002021220322232408042322230221202001
83 1001010101010101001 1002021222324252609062524232221202001
84 1001011000001101001 1002023022123204228224023212203202001
85 1001011001001101001 1002023024125226229226225214203202001
86 1001100000000011001 1002201210000022026202200000121022001
87 1001100001000011001 1002201212002222027202222002121022001
88 1001100010100011001 1002201230222242128212422220321022001
89 1001100011100011001 1002201232224442149412444222321022001
90 1001100100010011001 1002201410240054028204500420141022001
91 1001100101010011001 1002201412242254229224522422141022001
92 1001101000001011001 1002203212203024228224203022123022001
93 1001101001001011001 1002203214205226229226225024123022001
94 1001110000000111001 1002221232100222248422220012321222001
95 1001110001000111001 1002221234102442249422442014321222001
96 1010000000000000101 1020100000000000204020000000000010201
97 1010000001000000101 1020100002020000205020000202000010201
98 1010000002000000101 1020100004040000208020000404000010201
99 1010000010100000101 1020100020402000306030002040200010201
100 1010000011100000101 1020100022422000327230002242200010201
101 1010000099010000101 1020100200000210007000120000020010201
102 1010000100010000101 1020100202020210206020120202020010201
103 1010000101010000101 1020100204040210407040120404020010201
104 1010000109110000101 1020100220402212109012122040220010201
105 1010000110110000101 1020100222422212328232122242220010201
106 1010000111110000101 1020100224442212549452122444220010201
107 1010001000001000101 1020102020003020206020203000202010201
108 1010001001001000101 1020102022023022207022203202202010201
109 1010001010101000101 1020102040405040508050405040402010201
110 1010001011101000101 1020102042425042529252405242402010201
111 1010001100011000101 1020102222023430228220343202222010201
112 1010001101011000101 1020102224043432429242343404222010201
113 1010010000000100101 1020120200100202206022020010020210201
114 1010010001000100101 1020120202120222207022220212020210201
115 1010010010100100101 1020120220502404308034042050220210201
116 1010010011100100101 1020120222522424329234242252220210201
117 1010010100010100101 1020120402122412408042142212040210201
118 1010010101010100101 1020120404142432609062342414040210201
119 1010011000001100101 1020122220123222228222223210222210201
120 1010011001001100101 1020122222143244229224423412222210201
121 1010100000000010101 1020302010000020406040200000102030201
122 1010100001000010101 1020302012020220407040220202102030201
123 1010100010100010101 1020302030404040508050404040302030201
124 1010100011100010101 1020302032424240529250424242302030201
125 1010100099010010101 1020302210020032209022300200122030201
126 1010100100010010101 1020302212040232408042320402122030201
127 1010100101010010101 1020302214060432609062340604122030201
128 1010101000001010101 1020304030203040608060403020304030201
129 1010101001001010101 1020304032223242609062423222304030201
130 1010110000000110101 1020322212100222428242220012122230201
131 1010110001000110101 1020322214120442429242440214122230201
132 1011000000000001101 1022121000000002226222000000001212201
133 1011000001000001101 1022121002022002227222002202001212201
134 1011000010100001101 1022121020422202328232022240201212201
135 1011000011100001101 1022121022444202349432024442201212201
136 1011000100010001101 1022121202220232228222320222021212201
137 1011000101010001101 1022121204242232429242322424021212201
138 1011001000001001101 1022123022003024228224203002203212201
139 1011001001001001101 1022123024025026229226205204203212201
140 1011010000000101101 1022141220100204428244020010221412201
141 1011010001000101101 1022141222122224429244222212221412201
142 1011100000000011101 1022323210000022448442200000123232201
143 1011100001000011101 1022323212022222449442222202123232201
144 1100000000000000011 1210000000000000024200000000000000121
145 1100000001000000011 1210000002200000025200000022000000121
146 1100000002000000011 1210000004400000028200000044000000121
147 1100000009100000011 1210000020020000107010000200200000121
148 1100000010100000011 1210000022220000126210000222200000121
149 1100000011100000011 1210000024420000147410000244200000121
150 1100000100010000011 1210000220022010026200102200220000121
151 1100000101010000011 1210000222222010227220102222220000121
152 1100000110110000011 1210000242242012148412102422420000121
153 1100000111110000011 1210000244442012369632102444420000121
154 1100001000001000011 1210002200003200026200023000022000121
155 1100001001001000011 1210002202203202027202023022022000121
156 1100001010101000011 1210002222223220328230223222222000121
157 1100001011101000011 1210002224423222349432223244222000121
158 1100001100011000011 1210002420025410048400145200242000121
159 1100001101011000011 1210002422225412249422145222242000121
160 1100010000000100011 1210022000100220026200220010002200121
161 1100010001000100011 1210022002300240027200420032002200121
162 1100010009100100011 1210022020120402109012040210202200121
163 1100010010100100011 1210022022320422128212240232202200121
164 1100010011100100011 1210022024520442149412440254202200121
165 1100010100010100011 1210022220124230228220324210222200121
166 1100010101010100011 1210022222324250429240524232222200121
167 1100011000001100011 1210024200123420048400243210024200121
168 1100011001001100011 1210024202323442049402443232024200121
169 1100100000000010011 1210220010000022026202200000100220121
170 1100100001000010011 1210220012200222027202220022100220121
171 1100100010100010011 1210220032222042128212402222300220121
172 1100100011100010011 1210220034422242149412422244300220121
173 1100100100010010011 1210220230042034028204302400320220121
174 1100100101010010011 1210220232242234229224322422320220121
175 1100101000001010011 1210222210203222228222223020122220121
176 1100101001001010011 1210222212403424229224243042122220121
177 1100110000000110011 1210242012100242048402420012102420121
178 1100110001000110011 1210242014300462049402640034102420121
179 1101000000000001011 1212201000000002226222000000001022121
180 1101000001000001011 1212201002202002227222002022001022121
181 1101000010100001011 1212201022240202328232020422201022121
182 1101000011100001011 1212201024442202349432022444201022121
183 1101000100010001011 1212201220222032228222302220221022121
184 1101000101010001011 1212201222424032429242304242221022121
185 1101001000001001011 1212203202003204228224023002023022121
186 1101001001001001011 1212203204205206229226025024023022121
187 1101010000000101011 1212223020100222428242220010203222121
188 1101010001000101011 1212223022302242429242422032203222121
189 1101100000000011011 1212421210000024248424200000121242121
190 1101100001000011011 1212421212202224249424222022121242121
191 1110000000000000111 1232100000000000246420000000000012321
192 1110000001000000111 1232100002220000247420000222000012321
193 1110000009100000111 1232100020202000329230002020200012321
194 1110000010100000111 1232100022422000348430002242200012321
195 1110000011100000111 1232100024642000369630002464200012321
196 1110000100010000111 1232100222022210248420122202220012321
197 1110000101010000111 1232100224242210449440122424220012321
198 1110001000001000111 1232102220003220248420223000222012321
199 1110001001001000111 1232102222223222249422223222222012321
200 1110010000000100111 1232122200100222248422220010022212321
201 1110010001000100111 1232122202320242249422420232022212321
202 1110100000000010111 1232322010000022448442200000102232321
203 1110100001000010111 1232322012220222449442220222102232321
204 1111000000000001111 1234321000000002468642000000001234321
205 1111000001000001111 1234321002222002469642002222001234321
206 1363859210193543291 1860111945229755699965579225491110681
207 2000000000000000002 4000000000000000008000000000000000004
208 2000000001000000002 4000000004000000009000000004000000004
209 2282211769458230805 5208490560653668833388663560650948025
time=4,087 s, 1.14 hours


Palindromic squares of 38 digits
No Root Square
time=6,776 s, 1.88 hours


Palindromic squares of 39 digits
No Root Square
1 10000000000000000001 100000000000000000020000000000000000001
2 10000000011000000001 100000000220000000141000000022000000001
3 10000000100100000001 100000002002000010040010000200200000001
4 10000000111100000001 100000002222000012363210000222200000001
5 10000001000010000001 100000020000201000040000102000020000001
6 10000001011010000001 100000020220201022161220102022020000001
7 10000001100110000001 100000022002201210262012102200220000001
8 10000001111110000001 100000022222201234585432102222220000001
9 10000010000001000001 100000200000120000040000021000002000001
10 10000010011001000001 100000200220120220161022021022002000001
11 10000010100101000001 100000202002122012060210221200202000001
12 10000010111101000001 100000202222122234383432221222202000001
13 10000011000011000001 100000220000341000262000143000022000001
14 10000011011011000001 100000220220341242383242143022022000001
15 10000011100111000001 100000222002343212484212343200222000001
16 10000100000000100001 100002000010002000040000200010000200001
17 10000100011000100001 100002000230004200161002400032000200001
18 10000100100100100001 100002002012022030060030220210200200001
19 10000100111100100001 100002002232024232383232420232200200001
20 10000101000010100001 100002020010403002060200304010020200001
21 10000101011010100001 100002020230405224181422504032020200001
22 10000101100110100001 100002022012423232282232324210220200001
23 10000110000001100001 100002200012122000262000221210002200001
24 10000110011001100001 100002200232124420383024421232002200001
25 10000110100101100001 100002202014144032282230441410202200001
26 10000111000011100001 100002220012543002484200345210022200001
27 10001000000000010001 100020001000000200040002000000100020001
28 10001000011000010001 100020001220022200161002220022100020001
29 10001000100100010001 100020003002200410060014002200300020001
30 10001000111100010001 100020003222222412383214222222300020001
31 10001001000010010001 100020021002201220060022102200120020001
32 10001001011010010001 100020021222223242181242322222120020001
33 10001001100110010001 100020023004401630282036104400320020001
34 10001010000001010001 100020201020120202060202021020102020001
35 10001010011001010001 100020201240142422181224241042102020001
36 10001010100101010001 100020203022322414080414223220302020001
37 10001011000011010001 100020221022341222282222143220122020001
38 10001100000000110001 100022001210002200262002200012100220001
39 10001100011000110001 100022001430026400383004620034100220001
40 10001100100100110001 100022003212222430282034222212300220001
41 10001101000010110001 100022021212403222282222304212120220001
42 10001110000001110001 100022201232122202484202221232102220001
43 10010000000000001001 100200100000000020040020000000001002001
44 10010000011000001001 100200100220220020161020022022001002001
45 10010000100100001001 100200102004002030060030200400201002001
46 10010000111100001001 100200102224222032383230222422201002001
47 10010001000010001001 100200120020201220060022102020021002001
48 10010001011010001001 100200120240421242181242124042021002001
49 10010001100110001001 100200122024203430282034302420221002001
50 10010010000001001001 100200300200120040060040021002003002001
51 10010010011001001001 100200300420340260181062043024003002001
52 10010010100101001001 100200302204124052080250421402203002001
53 10010011000011001001 100200320220341240282042143022023002001
54 10010100000000101001 100202102010002022060220200010201202001
55 10010100011000101001 100202102230224222181222422032201202001
56 10010100100100101001 100202104014024052080250420410401202001
57 10010101000010101001 100202122030403224080422304030221202001
58 10010110000001101001 100202302212122042282240221212203202001
59 10011000000000011001 100220121000000220262022000000121022001
60 10011000011000011001 100220121220242220383022242022121022001
61 10011000100100011001 100220123004202430282034202400321022001
62 10011001000010011001 100220141022201440282044102220141022001
63 10011010000001011001 100220321220120242282242021022123022001
64 10011100000000111001 100222123210002222484222200012321222001
65 10100000000000000101 102010000000000002040200000000000010201
66 10100000011000000101 102010000222200002161200002222000010201
67 10100000100100000101 102010002022020012060210020220200010201
68 10100000111100000101 102010002244220014383410022442200010201
69 10100001000010000101 102010020200203002060200302002020010201
70 10100001011010000101 102010020422403024181420304224020010201
71 10100001100110000101 102010022222223212282212322222220010201
72 10100010000001000101 102010202000120202060202021000202010201
73 10100010011001000101 102010202222320422181224023222202010201
74 10100010100101000101 102010204022142214080412241220402010201
75 10100011000011000101 102010222200343202282202343002222010201
76 10100100000000100101 102012020010002022060220200010020210201
77 10100100011000100101 102012020232204222181222402232020210201
78 10100100100100100101 102012022032042052080250240230220210201
79 10100101000010100101 102012040210405024080420504012040210201
80 10100110000001100101 102012222012122222282222221210222210201
81 10101000000000010101 102030201000000204060402000000102030201
82 10101000011000010101 102030201222222204181402222222102030201
83 10101000100100010101 102030203022220414080414022220302030201
84 10101001000010010101 102030221202203224080422302202122030201
85 10101010000001010101 102030403020120406080604021020304030201
86 10101100000000110101 102032221210002224282422200012122230201
87 10110000000000001101 102212100000000022262220000000001212201
88 10110000011000001101 102212100222420022383220024222001212201
89 10110000100100001101 102212102024022032282230220420201212201
90 10110001000010001101 102212120220203222282222302022021212201
91 10110010000001001101 102212302200120242282242021002203212201
92 10110100000000101101 102214122010002044282440200010221412201
93 10111000000000011101 102232321000000224484422000000123232201
94 11000000000000000011 121000000000000000242000000000000000121
95 11000000011000000011 121000000242000000363000000242000000121
96 11000000100100000011 121000002202200010262010002202200000121
97 11000000111100000011 121000002444200012585210002444200000121
98 11000001000010000011 121000022000221000262000122000220000121
99 11000001011010000011 121000022242221022383220122242220000121
100 11000001100110000011 121000024202421210484012124202420000121
101 11000010000001000011 121000220000122000262000221000022000121
102 11000010011001000011 121000220242122220383022221242022000121
103 11000010100101000011 121000222202324012282210423202222000121
104 11000011000011000011 121000242000363000484000363000242000121
105 11000100000000100011 121002200010002200262002200010002200121
106 11000100011000100011 121002200252004400383004400252002200121
107 11000100100100100011 121002202212222230282032222212202200121
108 11000101000010100011 121002222010423202282202324010222200121
109 11000110000001100011 121002420012124200484002421210024200121
110 11001000000000010011 121022001000000220262022000000100220121
111 11001000011000010011 121022001242022220383022220242100220121
112 11001000100100010011 121022003202400430282034004202300220121
113 11001001000010010011 121022023002221240282042122200320220121
114 11001010000001010011 121022221020122222282222221020122220121
115 11001100000000110011 121024201210002420484024200012102420121
116 11010000000000001011 121220100000000022262220000000001022121
117 11010000011000001011 121220100242220022383220022242001022121
118 11010000100100001011 121220102204202032282230202402201022121
119 11010001000010001011 121220122020221222282222122020221022121
120 11010010000001001011 121220320200122042282240221002023022121
121 11010100000000101011 121222302010002224282422200010203222121
122 11011000000000011011 121242121000000242484242000000121242121
123 11100000000000000111 123210000000000002464200000000000012321
124 11100000011000000111 123210000244200002585200002442000012321
125 11100000100100000111 123210002222220012484210022222200012321
126 11100001000010000111 123210022200223002484200322002220012321
127 11100010000001000111 123210222000122202484202221000222012321
128 11100100000000100111 123212220010002222484222200010022212321
129 11101000000000010111 123232201000000224484422000000102232321
130 11110000000000001111 123432100000000024686420000000001234321
131 20000000000000000002 400000000000000000080000000000000000004
132 25686162978506292366 659778968558387244939442783855869877956
time=25,158 s, 6.99 hours


Palindromic squares of 40 digits
No Root Square
time=26,389 s, 7.33 hours


Palindromic squares of 41 digits
No Root Square

Date
1 100000000000000000001 10000000000000000000200000000000000000001  
2 100000000010000000001 10000000002000000000300000000020000000001  
3 100000000020000000001 10000000004000000000600000000040000000001  
4 100000000101000000001 10000000020200000010401000000202000000001  
5 100000000111000000001 10000000022200000012521000000222000000001  
6 100000000121000000001 10000000024200000014841000000242000000001  
7 100000001000100000001 10000000200020001000400010002000200000001  
8 100000001010100000001 10000000202020001020502010002020200000001  
9 100000001020100000001 10000000204020001040804010002040200000001  
10 100000001101100000001 10000000220220001212621210002202200000001  
11 100000001111100000001 10000000222220001234743210002222200000001  
12 100000010000010000001 10000002000002100000400000120000020000001  
13 100000010010010000001 10000002002002100200500200120020020000001  
14 100000010020010000001 10000002004002100400800400120040020000001  
15 100000010101010000001 10000002020202102030603020120202020000001  
16 100000010111010000001 10000002022202102232723220120222020000001  
17 100000011000110000001 10000002200022121002620012122000220000001  
18 100000011010110000001 10000002202022121222722212122020220000001  
19 100000011101110000001 10000002220222123234843232122202220000001  
20 100000011111110000001 10000002222222123456965432122222220000001  
21 100000100000001000001 10000020000010200000400000201000002000001  
22 100000100010001000001 10000020002010202000500020201020002000001  
23 100000100020001000001 10000020004010204000800040201040002000001  
24 100000100101001000001 10000020020210220210601202201202002000001  
25 100000100111001000001 10000020022210222212721222201222002000001  
26 100000101000101000001 10000020200030401020602010403000202000001  
27 100000101010101000001 10000020202030403040704030403020202000001  
28 100000101101101000001 10000020220230421432823412403202202000001  
29 100000101111101000001 10000020222230423454945432403222202000001  
30 100000110000011000001 10000022000014300002620000341000022000001  
31 100000110010011000001 10000022002014302202720220341020022000001  
32 100000110101011000001 10000022020214322232823222341202022000001  
33 100000110111011000001 10000022022214324434943442341222022000001  
34 100000111000111000001 10000022200034521024842012543000222000001  
35 100000111010111000001 10000022202034523244944232543020222000001  
36 100001000000000100001 10000200001000020000400002000010000200001  
37 100001000010000100001 10000200003000040000500004000030000200001  
38 100001000020000100001 10000200005000060000800006000050000200001  
39 100001000101000100001 10000200021200222010601022200212000200001  
40 100001000111000100001 10000200023200242012721024200232000200001  
41 100001001000100100001 10000200201022021200600212022010200200001  
42 100001001010100100001 10000200203022041220702214022030200200001  
43 100001001101100100001 10000200221222223412821432222212200200001  
44 100001001111100100001 10000200223222243434943434222232200200001  
45 100001010000010100001 10000202001022120020602002122010020200001  
46 100001010010010100001 10000202003022140220702204122030020200001  
47 100001010101010100001 10000202021222324050805042322212020200001  
48 100001010111010100001 10000202023222344252925244322232020200001  
49 100001011000110100001 10000202201044141222822214144010220200001  
50 100001011010110100001 10000202203044161442924416144030220200001  
51 100001100000001100001 10000220001210220002620002201210002200001  
52 100001100010001100001 10000220003210242002720024201230002200001  
53 100001100101001100001 10000220021410442212821224401412002200001  
54 100001100111001100001 10000220023410464214941246401432002200001  
55 100001101000101100001 10000220201232421222822212423210202200001  
56 100001101010101100001 10000220203232443242924234423230202200001  
57 100001110000011100001 10000222001234320024842002343210022200001  
58 100001110010011100001 10000222003234342224942224343230022200001  
59 100010000000000010001 10002000100000002000400020000000100020001  
60 100010000010000010001 10002000102000202000500020200020100020001  
61 100010000020000010001 10002000104000402000800020400040100020001  
62 100010000101000010001 10002000120202022010601022020202100020001  
63 100010000111000010001 10002000122202222012721022220222100020001  
64 100010001000100010001 10002000300040005000600050004000300020001  
65 100010001010100010001 10002000302040205020702050204020300020001  
66 100010001101100010001 10002000320242025212821252024202300020001  
67 100010001111100010001 10002000322242225234943252224222300020001  
68 100010010000010010001 10002002100202102200600220120200120020001  
69 100010010010010010001 10002002102202302400700420320220120020001  
70 100010010101010010001 10002002120404124230803242140402120020001  
71 100010010111010010001 10002002122404324432923442340422120020001  
72 100010011000110010001 10002002300242125202820252124200320020001  
73 100010011010110010001 10002002302242325422922452324220320020001  
74 100010099990001010001 10002020100010000020702000001000102020001  
75 100010100000001010001 10002020102010202020602020201020102020001  
76 100010100010001010001 10002020104010404020702040401040102020001  
77 100010100101001010001 10002020122212242230803224221222102020001  
78 100010100111001010001 10002020124212444232923244421242102020001  
79 100010100990101010001 10002020300050203020902030205000302020001  
80 100010101000101010001 10002020302050405040804050405020302020001  
81 100010101010101010001 10002020304050607060906070605040302020001  
82 100010109990011010001 10002022100214100022922000141200122020001  
83 100010110000011010001 10002022102214302222822220341220122020001  
84 100010110010011010001 10002022104214504422922440541240122020001  
85 100011000000000110001 10002200121000022002620022000012100220001  
86 100011000010000110001 10002200123000242002720024200032100220001  
87 100011000101000110001 10002200141202244012821044220214100220001  
88 100011000111000110001 10002200143202464014941046420234100220001  
89 100011001000100110001 10002200321042025202820252024012300220001  
90 100011001010100110001 10002200323042245222922254224032300220001  
91 100011010000010110001 10002202121222122222822222122212120220001  
92 100011010010010110001 10002202123222342422922424322232120220001  
93 100011099990001110001 10002220121210000024942000001212102220001  
94 100011100000001110001 10002220123210222024842022201232102220001  
95 100011100010001110001 10002220125210444024942044401252102220001  
96 100100000000000001001 10020010000000000200400200000000001002001  
97 100100000010000001001 10020010002002000200500200020020001002001  
98 100100000020000001001 10020010004004000200800200040040001002001  
99 100100000101000001001 10020010020220200210601200202202001002001  
100 100100000111000001001 10020010022222200212721200222222001002001  
101 100100001000100001001 10020010200220021200600212002200201002001  
102 100100001010100001001 10020010202222021220702212022220201002001  
103 100100001101100001001 10020010220440221412821412204402201002001  
104 100100001111100001001 10020010222442221434943412224422201002001  
105 100100009990010001001 10020012000000102000700020100000021002001  
106 100100010000010001001 10020012002002102200600220120020021002001  
107 100100010010010001001 10020012004004102400700420140040021002001  
108 100100010101010001001 10020012022222304230803240322222021002001  
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111 100100011010110001001 10020012204224143422922434142240221002001  
112 100100100000001001001 10020030020010200400600400201002003002001  
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114 100100100101001001001 10020030040230420610801602403204003002001  
115 100100100111001001001 10020030042232422612921622423224003002001  
116 100100101000101001001 10020030220230421420802412403202203002001