660969
660969 = 8132, a square with 3 kinds of digits.
Page of Squares : First Upload June 22, 2013 ; Last Revised June 22, 2013by Yoshio Mimura, Kobe, Japan
661502
(6615022 -4) = (32 - 4)(62 - 4)(122 - 4)(142 - 4)(172 - 4)(192 - 4).
Page of Squares : First Upload June 22, 2013 ; Last Revised June 22, 2013by Yoshio Mimura, Kobe, Japan
662596
662596 = (62 + 62 + 252 + 92 + 62)2.
Page of Squares : First Upload June 22, 2013 ; Last Revised June 22, 2013by Yoshio Mimura, Kobe, Japan
662970
6629702 = 73*74*75 + 74*75*76 + 75*76*77 + 76*77*78 + ... + 1150*1151*1152.
Page of Squares : First Upload October 26, 2013 ; Last Revised October 26, 2013by Yoshio Mimura, Kobe, Japan
664125
6641252 = 441062015625, and 441 = 212, 62015625 = 78752.
Page of Squares : First Upload June 22, 2013 ; Last Revised June 22, 2013by Yoshio Mimura, Kobe, Japan
664388
6643882 = 441411414544, a sqaure with 3 kinds of digits.
Page of Squares : First Upload June 22, 2013 ; Last Revised June 22, 2013by Yoshio Mimura, Kobe, Japan
664530
6645302 = 809*810 + 811*812 + 813*814 + 815*816 + ... + 13837*13838.
Page of Squares : First Upload June 22, 2013 ; Last Revised June 22, 2013by Yoshio Mimura, Kobe, Japan
665280
6652802 = 12! + 13! + 14! + 14! + 14! + 14! + 14!.
Page of Squares : First Upload June 22, 2013 ; Last Revised June 22, 2013by Yoshio Mimura, Kobe, Japan
665856
665856 = 8162, a square with 3 kinds of digits.
Page of Squares : First Upload June 22, 2013 ; Last Revised June 22, 2013by Yoshio Mimura, Kobe, Japan
665908
6659082 = 443433464464, a square with 3 kinds of digits.
Page of Squares : First Upload June 22, 2013 ; Last Revised June 22, 2013by Yoshio Mimura, Kobe, Japan
666462
6664622 = 444171597444.
Page of Squares : First Upload June 22, 2013 ; Last Revised June 22, 2013by Yoshio Mimura, Kobe, Japan
666515
6665152 = 444242245225, a square with 3 kinds of digits.
Page of Squares : First Upload June 22, 2013 ; Last Revised June 22, 2013by Yoshio Mimura, Kobe, Japan
666610
6666102 = 70572*70573 + 70574*70575 + 70576*70577 + 70578*70579 + ... + 70748*70749.
Page of Squares : First Upload June 22, 2013 ; Last Revised June 22, 2013by Yoshio Mimura, Kobe, Japan
666665
6666652 = 444442222225, a square with 3 kinds of digits.
Page of Squares : First Upload June 22, 2013 ; Last Revised June 22, 2013by Yoshio Mimura, Kobe, Japan
666667
6666672= 444444888889, a square with 3 kinds of digits.
Page of Squares : First Upload June 22, 2013 ; Last Revised June 22, 2013by Yoshio Mimura, Kobe, Japan
666668
6666682 = 444446222224, a square with 3 kinds of digits.
Page of Squares : First Upload June 22, 2013 ; Last Revised June 22, 2013by Yoshio Mimura, Kobe, Japan
668168
175 + 668168 = 14452, 175 - 668168 = 8672.
Page of Squares : First Upload June 22, 2013 ; Last Revised June 22, 2013by Yoshio Mimura, Kobe, Japan
669460
6694602 = 16147*16148 + 16149*16150 + 16151*16152 + 16153*16154 + ... + 19035*19036.
Page of Squares : First Upload June 22, 2013 ; Last Revised June 22, 2013by Yoshio Mimura, Kobe, Japan