89000
890002 = (12 + 4)(22 + 4)(62 + 4)(112 + 4)(1992 + 4) = (22 + 4)(112 + 4)(142 + 4)(1992 + 4).
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89010
890102 = 10762 + 10772 + 10782 + ... + 29242.
Page of Squares : First Upload December 15, 2012 ; Last Revised December 15, 2012by Yoshio Mimura, Kobe, Japan
89028
890282± 5 are primes.
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89043
890432 = (12 + 2)(514092 + 2).
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89046
890462 = (22 + 2)(102 + 2)(172 + 2)(2112 + 2).
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89056
890562 = (12 + 7)(22 + 7)(42 + 7)(92 + 7)(2112 + 7) = (12 + 7)(42 + 7)(312 + 7)(2112 + 7)
= (22 + 7)(42 + 7)(92 + 7)(192 + 7)(312 + 7) = (22 + 7)(132 + 7)(312 + 7)(652 + 7).
by Yoshio Mimura, Kobe, Japan
89079
890792 = 7935068241, a square with different digits.
Page of Squares : First Upload December 15, 2012 ; Last Revised December 15, 2012by Yoshio Mimura, Kobe, Japan
89100
891002 = (22 - 1)(102 - 1)(262 - 1)(1992 - 1) = (42 - 1)(102 - 1)(262 - 1)(892 - 1).
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89120
891202± 3 are primes.
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89181
891812± 2 are primes.
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89214
892142 = 7959137796, a square with odd digits except the last digit 6.
Page of Squares : First Upload August 31, 2013 ; Last Revised August 31, 2013by Yoshio Mimura, Kobe, Japan
89246
892462± 3 are primes.
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89272
892722± 3 are primes.
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89280
892802 = (22 - 1)(42 - 1)(72 - 1)(19212 - 1).
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89284
892842 = (32 + 4)(202 + 4)(12322 + 4).
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89298
892982 = (12 + 2)(22 + 2)(32 + 2)(112 + 2)(192 + 2)(302 + 2)
= (12 + 2)(82 + 2)(112 + 2)(192 + 2)(302 + 2) = (22 + 2)(32 + 2)(82 + 2)(192 + 2)(712 + 2)
= (22 + 2)(32 + 2)(112 + 2)(192 + 2)(522 + 2) = (32 + 2)(42 + 2)(112 + 2)(192 + 2)(302 + 2)
= (82 + 2)(112 + 2)(192 + 2)(522 + 2) = (112 + 2)(142 + 2)(192 + 2)(302 + 2).
by Yoshio Mimura, Kobe, Japan
89304
3052 + 89304 = 4272, 3052 - 89304 = 612.
Page of Squares : First Upload December 15, 2012 ; Last Revised December 15, 2012by Yoshio Mimura, Kobe, Japan
89310
893102 = (22 + 9)(92 + 9)(26112 + 9).
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89324
893242 = 7978776976, a square every digit of which is greater than 5.
Page of Squares : First Upload September 18, 2013 ; Last Revised September 18, 2013by Yoshio Mimura, Kobe, Japan
89355
893552 = 7984316025, a square with different digits.
Page of Squares : First Upload December 15, 2012 ; Last Revised December 15, 2012by Yoshio Mimura, Kobe, Japan
89376
893762 = (12 + 3)(22 + 3)(32 + 3)(42 + 3)(52 + 3)(92 + 3)(232 + 3)
= (12 + 3)(22 + 3)(32 + 3)(52 + 3)(152 + 3)(612 + 3)
= (12 + 3)(22 + 3)(52 + 3)(92 + 3)(152 + 3)(232 + 3)
= (12 + 3)(32 + 3)(42 + 3)(52 + 3)(92 + 3)(612 + 3)
= (12 + 3)(32 + 3)(42 + 3)(52 + 3)(152 + 3)(372 + 3) = (12 + 3)(32 + 3)(92 + 3)(232 + 3)(612 + 3)
= (12 + 3)(32 + 3)(152 + 3)(232 + 3)(372 + 3) = (12 + 3)(52 + 3)(92 + 3)(152 + 3)(612 + 3).
by Yoshio Mimura, Kobe, Japan
89401
89401 = 2992, a square with different digits.
Page of Squares : First Upload December 15, 2012 ; Last Revised December 15, 2012by Yoshio Mimura, Kobe, Japan
89404
894042 = (22 + 3)(102 + 3)(112 + 3)(2992 + 3) = (22 + 3)(1132 + 3)(2992 + 3).
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89426
894262± 3 are primes.
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89435
894352 = (52 + 6)(160632 + 6).
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89437
894372 = 7998976969, a square every digit of which is greater than 5.
Page of Squares : First Upload September 18, 2013 ; Last Revised September 18, 2013by Yoshio Mimura, Kobe, Japan
89438
894382± 3 are primes.
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89452
894522± 3 are primes.
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89460
894602 = 6232 + 6242 + 6252 + ... + 28942.
Page of Squares : First Upload December 15, 2012 ; Last Revised December 15, 2012by Yoshio Mimura, Kobe, Japan
89466
894662± 5 are primes.
894662 = (32 + 3)(62 + 3)(202 + 3)(2062 + 3).
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89496
894962 = (42 + 8)(52 + 8)(522 + 8)(612 + 8) = (282 + 8)(522 + 8)(612 + 8).
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89506
895062± 3 are primes.
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89516
895162± 3 are primes.
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89523
895232± 2 are primes.
895232 = 8014367529, a square with different digits.
Page of Squares : First Upload December 15, 2012 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89530
895302± 3 are primes.
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89544
895442 = (272 - 1)(402 - 1)(832 - 1).
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89558
895582± 3 are primes.
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89568
895682 = 8022426624, a square with even digits.
Page of Squares : First Upload December 15, 2012 ; Last Revised December 15, 2012by Yoshio Mimura, Kobe, Japan
89570
895702 = (22 + 9)(162 + 9)(372 + 9)(412 + 9).
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89571
895712 = 8022964041, and 82944 = 2882, 02601 = 512 (the 6th mozaic square).
Page of Squares : First Upload December 15, 2012 ; Last Revised December 15, 2012by Yoshio Mimura, Kobe, Japan
89606
896062± 3 are primes.
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89642
896422 = (42 + 3)(802 + 3)(2572 + 3).
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89702
897022 = 8046448804, a square with even digits.
Page of Squares : First Upload December 15, 2012 ; Last Revised December 15, 2012by Yoshio Mimura, Kobe, Japan
89760
3142 + 89760 = 4342, 3142 - 89760 = 942.
Page of Squares : First Upload December 15, 2012 ; Last Revised December 15, 2012by Yoshio Mimura, Kobe, Japan
89782
897822 = (12 + 6)(102 + 6)(32962 + 6).
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89838
898382± 5 are primes.
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89862
898622 = (12 + 2)(242 + 2)(21582 + 2).
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89890
898902± 3 are primes.
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89908
899082 = (12 + 3)(22 + 3)(1242 + 3)(1372 + 3) = (42 + 3)(72 + 3)(232 + 3)(1242 + 3)
= (52 + 3)(1242 + 3)(1372 + 3).
by Yoshio Mimura, Kobe, Japan
89960
899602 = (32 + 4)(102 + 4)(132 + 4)(1862 + 4).
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89972
899722± 3 are primes.
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89978
899782± 3 are primes.
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89901
899012± 2 are primes.
Page of Squares : First Upload April 9, 2014 ; Last Revised April 9, 2014by Yoshio Mimura, Kobe, Japan
89999
899992 = 18582 + 18592 + 18602 + ... + 31312.
Page of Squares : First Upload December 15, 2012 ; Last Revised December 15, 2012by Yoshio Mimura, Kobe, Japan