210000
58 + 210000 = 7752, 58 - 210000 = 4252.
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
210001
2100012 = 44100420001, a reversible square (10002400144 = 1000122).
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
210002
2100022 = 44100840004, a reversible square (40004800144 = 2000122).
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
210011
2100112 = 44104620121, a reversible square (12102640144 = 1100122).
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
210021
2100212 = 44108820441, a reversible square (14402880144 = 1200122).
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
210101
2101012 = 44142430201, a reversible square (10203424144 = 1010122).
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
210102
2101022 = 44142850404, a reversible square (40405824144 = 2020122).
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
210111
2101112 = 44146632321, a reversible square (12323664144 = 1110122).
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
210175
2101752 = 44173530625, and 441 = 21, 73530625 = 8575.
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
210201
2102012 = 44184460401, a reversible square (10406448144 = 1020122).
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
210202
2102022 = 44184880804, a reversible square (40808848144 = 2020122).
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
210211
2102112 = 44188664521, a reversible square (12546688144 = 1120122).
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
210273
2102732 = 2173 + 2183 + 2193 + 2203 + ... + 6503.
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
210762
2107622 = 44420620644, a square consisting of even digits.
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
210771
2107712 = 44424414441, a square consisting of 3 kinds of digits.
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
210821
2108212 = 44445494041, a square pegged by 4.
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
210828
2108282 = 44448445584, a square consisting of 3 kinds of digits.
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
211001
2110012 = 44521422001, a reversible square (10022412544 = 1001122).
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
211002
2110022 = 44521844004, a reversible square (40044812544 = 2001122).
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
211011
2110112 = 44525642121, a reversible square (12124652544 = 1101122).
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
211021
2110212 = 44529862441, a reversible square (14426892544 = 1201122).
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
211101
2111012 = 44563632201, a reversible square (10223636544 = 1011122).
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
211111
2111112 = 44567854321, a reversible square (12345876544 = 1111122).
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
211192
2111922 = 44602060864, a square consisting of even digits.
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
211202
2112022 = 44606284804, a square consisting of even digits.
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
211298
2112982 = 44646844804, a square consisting of even digits.
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
211662
2116622 = 44783870884, a square consisting of even digits.
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
211808
2118082 = 44862628864, a square consisting of even digits.
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
212001
2120012 = 44944424001, a reversible square (10042444944 = 1002122).
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
212002
2120022 = 44944848004, a reversible square (40084844944 = 2002122).
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
212011
2120112 = 44948664121, a reversible square (12146684944 = 1102122).
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
212101
2121012 = 44986834201, a reversible square (10243868944 = 1012122).
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
212521
212521 = 4612, a square with 3 kinds of digits and pegged by 2.
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
214200
2142002 = (12 + ... + 72)*(82 + ... + 122)*(132 + ... + 1242).
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
214369
214369 = 4632, a square with different digits.
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
214622
2146222 = 46062602884, a square consisting of even digits.
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
214830
2148302 = 837*838*839 + 839*840*841 + 841*842*843 + 843*844*845 + ... + 961*962*963.
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
214840
2148402 = 11689 * 11690 + 11691 * 11692 + 11693 * 11694 + ... + 12327 * 12328.
Page of Squares : First Upload October 26, 2013 ; Last Revised October 26, 2013by Yoshio Mimura, Kobe, Japan
215008
2150082 = 46228440064, a square consisting of even digits.
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
215050
2150502 = 46246502500, and 4624 = 682, 6502500 = 25502.
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
215408
2154082 = 46400606464, a square consisting of 3 kinds of even digits.
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
215602
2156022 = 46484222484, a square consisting of even digits.
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
215932
2159322 = 46626628624, a square consisting of even digits.
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
216000
2160002 = (13 + ... + 243) * (253 + ... + 393).
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
216013
2160132 = 46661616169, a square pegged by 6.
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
216385
2163852 = 46822468225.
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
218505
The quadratic polynomial 218505X2 - 1422120X + 2372176 takes the values 10812, 6342, 2692, 4242, 8512, 13062 at X = 1, 2,..., 6.
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
219111
2191112 = 48009630321, a reversible square (12303690084 = 1109222).
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan
219592
2195922 = 48220646464, a square consisting of even digits.
Page of Squares : First Upload March 16, 2013 ; Last Revised March 16, 2013by Yoshio Mimura, Kobe, Japan