98020
980202 = (12 + 1)(22 + 1)(32 + 1)(412 + 1)(2392 + 1)
= (12 + 1)(52 + 1)(82 + 1)(172 + 1)(992 + 1) = (12 + 1)(72 + 1)(412 + 1)(2392 + 1)
= (12 + 4)(32 + 4)(52 + 4)(162 + 4)(1402 + 4) = (32 + 4)(52 + 4)(362 + 4)(1402 + 4)
= (42 + 4)(52 + 4)(292 + 4)(1402 + 4) = (242 + 4)(292 + 4)(1402 + 4).
by Yoshio Mimura, Kobe, Japan
98037
980372± 2 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98050
980502 = (72 + 4)(112 + 4)(122 + 4)(992 + 4) = (72 + 4)(992 + 4)(1362 + 4).
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98055
980552 = 9614783025, a square with different digits.
Page of Squares : First Upload January 5, 2013 ; Last Revised January 5, 2013by Yoshio Mimura, Kobe, Japan
98062
980622± 3 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98084
980842± 3 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98116
981162± 3 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98162
981622± 3 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98208
982082 = (22 - 1)(32 - 1)(102 - 1)(322 - 1)(632 - 1) = (52 - 1)(102 - 1)(322 - 1)(632 - 1).
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98226
982262 = (12 + 2)(242 + 2)(312 + 2)(762 + 2).
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98238
982382± 5 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98265
982652± 2 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98280
5912 + 98280 = 6692, 5912 - 98280 = 5012,
3272 + 98280 = 4532, 3272 - 98280 = 932.
982802 = (22 - 1)(32 - 1)(62 - 1)(532 - 1)(642 - 1) = (22 - 1)(32 - 1)(82 - 1)(142 - 1)(1812 - 1)
= (22 - 1)(42 - 1)(52 - 1)(82 - 1)(142 - 1)(272 - 1) = (22 - 1)(52 - 1)(132 - 1)(142 - 1)(642 - 1)
= (22 - 1)(52 - 1)(642 - 1)(1812 - 1) = (22 - 1)(62 - 1)(132 - 1)(142 - 1)(532 - 1)
= (22 - 1)(62 - 1)(532 - 1)(1812 - 1) = (22 - 1)(82 - 1)(142 - 1)(192 - 1)(272 - 1)
= (32 - 1)(52 - 1)(82 - 1)(142 - 1)(642 - 1) = (32 - 1)(62 - 1)(82 - 1)(142 - 1)(532 - 1)
= (52 - 1)(62 - 1)(532 - 1)(642 - 1) = (52 - 1)(82 - 1)(142 - 1)(1812 - 1) = (292 - 1)(532 - 1)(642 - 1).
by Yoshio Mimura, Kobe, Japan
98304
3202 + 98304 = 4482, 3202 - 98304 = 642.
Page of Squares : First Upload January 5, 2013 ; Last Revised January 5, 2013by Yoshio Mimura, Kobe, Japan
98336
983362 = 9669968896, a square with 3 kinds of digits.
Page of Squares : First Upload January 5, 2013 ; Last Revised January 5, 2013by Yoshio Mimura, Kobe, Japan
98344
983442± 3 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98350
983502± 3 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98391
983912± 2 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98427
984272± 2 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98428
984282± 3 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98486
984862± 3 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98496
984962 = (12 + 8)(42 + 8)(82 + 8)(122 + 8)(642 + 8) = (22 + 8)(82 + 8)(102 + 8)(122 + 8)(262 + 8).
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98500
985002 = (12 + 1)(22 + 1)(32 + 1)(72 + 1)(13932 + 1).
Page of Squares : First Upload November 16, 2013 ; Last Revised November 16, 2013by Yoshio Mimura, Kobe, Japan
98528
985282± 3 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98531
985312 = 11752 + 11772 + 11792 + 11812 + ... + 39112.
Page of Squares : First Upload January 5, 2013 ; Last Revised January 5, 2013by Yoshio Mimura, Kobe, Japan
98540
985402± 3 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98550
985502 = (32 + 9)(42 + 9)(62 + 9)(82 + 9)(812 + 9) = (62 + 9)(82 + 9)(212 + 9)(812 + 9).
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98560
985602 = (32 - 1)(152 - 1)(212 - 1)(1112 - 1).
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98576
985762 = (202 + 4)(222 + 4)(2222 + 4).
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98586
985862 = 9719199396, 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
98600
986002 = (12 + 4)(22 + 4)(52 + 4)(92 + 4)(3142 + 4) = (12 + 4)(22 + 4)(52 + 4)(262 + 4)(1112 + 4)
= (12 + 4)(42 + 4)(52 + 4)(82 + 4)(92 + 4)(242 + 4) = (12 + 4)(42 + 4)(52 + 4)(242 + 4)(762 + 4)
= (12 + 4)(52 + 4)(92 + 4)(262 + 4)(342 + 4) = (12 + 4)(52 + 4)(262 + 4)(3142 + 4)
= (22 + 4)(52 + 4)(62 + 4)(92 + 4)(1112 + 4) = (22 + 4)(92 + 4)(342 + 4)(1112 + 4)
= (22 + 4)(1112 + 4)(3142 + 4) = (42 + 4)(82 + 4)(242 + 4)(1112 + 4)
= (52 + 4)(62 + 4)(92 + 4)(3142 + 4) = (52 + 4)(62 + 4)(262 + 4)(1112 + 4)
= (92 + 4)(342 + 4)(3142 + 4) = (262 + 4)(342 + 4)(1112 + 4).
by Yoshio Mimura, Kobe, Japan
98604
986042 = (12 + 2)(22 + 2)(42 + 2)(82 + 2)(92 + 2)(742 + 2) = (12 + 8)(52 + 8)(182 + 8)(3142 + 8)
= (22 + 2)(42 + 2)(92 + 2)(142 + 2)(742 + 2) = (172 + 8)(182 + 8)(3142 + 8).
by Yoshio Mimura, Kobe, Japan
98624
986242 = (12 + 7)(42 + 7)(192 + 7)(3792 + 7) = (32 + 7)(652 + 7)(3792 + 7)
= (42 + 7)(52 + 7)(232 + 7)(1572 + 7) = (52 + 7)(1112 + 7)(1572 + 7) = (232 + 7)(272 + 7)(1572 + 7).
by Yoshio Mimura, Kobe, Japan
98630
986302± 3 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98643
986432± 2 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98658
986582 = (12 + 5)(22 + 5)(112 + 5)(162 + 5)(742 + 5) = (12 + 5)(42 + 5)(72 + 5)(162 + 5)(742 + 5)
= (22 + 5)(32 + 5)(72 + 5)(162 + 5)(742 + 5) = (22 + 5)(42 + 5)(72 + 5)(132 + 5)(742 + 5)
= (22 + 5)(42 + 5)(712 + 5)(1012 + 5) = (22 + 5)(72 + 5)(162 + 5)(2772 + 5)
= (42 + 5)(132 + 5)(162 + 5)(1012 + 5) = (72 + 5)(112 + 5)(162 + 5)(742 + 5)
= (132 + 5)(742 + 5)(1012 + 5).
by Yoshio Mimura, Kobe, Japan
98664
986642± 5 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98704
987042± 3 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98712
987122± 5 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98722
987222± 3 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98769
987692± 2 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98776
987762± 3 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98784
4552 + 98784 = 5532, 4552 - 98784 = 3292.
Page of Squares : First Upload January 5, 2013 ; Last Revised January 5, 2013by Yoshio Mimura, Kobe, Japan
98802
988022 = 9761835204, a square with different digits.
Page of Squares : First Upload January 5, 2013 ; Last Revised January 5, 2013by Yoshio Mimura, Kobe, Japan
98820
988202 = (12 + 5)(52 + 5)(192 + 5)(3852 + 5).
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98826
988262 = (122 + 3)(842 + 3)(972 + 3).
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98835
988352± 2 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98838
988382 = (72 + 2)(132 + 2)(242 + 2)(442 + 2).
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98890
988902 = (72 + 6)(982 + 6)(1362 + 6).
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98892
988922 = (12 + 8)(22 + 8)(222 + 8)(4292 + 8) = (102 + 8)(222 + 8)(4292 + 8).
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98922
989222± 5 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan
98952
989522 = (12 + 3)(22 + 3)(32 + 3)(42 + 3)(152 + 3)(822 + 3)
= (12 + 3)(22 + 3)(42 + 3)(92 + 3)(112 + 3)(422 + 3) = (12 + 3)(42 + 3)(52 + 3)(422 + 3)(512 + 3)
= (12 + 3)(42 + 3)(92 + 3)(152 + 3)(822 + 3) = (12 + 3)(232 + 3)(422 + 3)(512 + 3)
= (22 + 3)(32 + 3)(42 + 3)(52 + 3)(112 + 3)(422 + 3) = (22 + 3)(32 + 3)(112 + 3)(232 + 3)(422 + 3)
= (22 + 3)(42 + 3)(112 + 3)(152 + 3)(512 + 3) = (22 + 3)(52 + 3)(112 + 3)(152 + 3)(422 + 3)
= (32 + 3)(42 + 3)(52 + 3)(152 + 3)(822 + 3) = (32 + 3)(112 + 3)(422 + 3)(612 + 3)
= (32 + 3)(152 + 3)(232 + 3)(822 + 3) = (42 + 3)(52 + 3)(92 + 3)(112 + 3)(422 + 3)
= (42 + 3)(112 + 3)(152 + 3)(1352 + 3) = (92 + 3)(112 + 3)(232 + 3)(422 + 3).
by Yoshio Mimura, Kobe, Japan
98961
989612± 2 are primes.
Page of Squares : First Upload April 16, 2014 ; Last Revised April 16, 2014by Yoshio Mimura, Kobe, Japan