49010
490102 = (12 + 1)(52 + 1)(82 + 1)(122 + 1)(702 + 1) = (122 + 1)(172 + 1)(2392 + 1)
= (22 + 1)(32 + 1)(702 + 1)(992 + 1) = (52 + 1)(82 + 1)(122 + 1)(992 + 1)
= (52 + 1)(82 + 1)(172 + 1)(702 + 1) = (72 + 1)(702 + 1)(992 + 1)
= (12 + 4)(52 + 4)(292 + 4)(1402 + 4).
by Yoshio Mimura, Kobe, Japan
49013
490132 = 15812 + 15832 + 15852 + 15872 + 15892 + 15912 + ... + 26372.
Page of Squares : First Upload August 18, 2012 ; Last Revised August 18, 2012by Yoshio Mimura, Kobe, Japan
49050
490502 = (42 + 9)(92 + 9)(102 + 9)(992 + 9).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49060
490602± 3 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49070
490702± 3 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49125
491252± 2 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49126
491262± 3 are primes.
491262 = (12 + 6)(42 + 6)(292 + 6)(1362 + 6).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49140
491402 = (42 - 1)(82 - 1)(252 - 1)(642 - 1) = (72 - 1)(82 - 1)(142 - 1)(642 - 1)
= (142 - 1)(552 - 1)(642 - 1).
by Yoshio Mimura, Kobe, Japan
49170
491702 = (32 + 6)(42 + 6)(212 + 6)(1282 + 6) = (182 + 6)(212 + 6)(1282 + 6).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49200
492002 = (22 - 1)(32 - 1)(812 - 1)(1242 - 1) = (52 - 1)(812 - 1)(1242 - 1).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49203
492032± 2 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49242
492422 = (12 + 5)(132 + 5)(15242 + 5).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49248
492482 = (12 + 8)(22 + 8)(42 + 8)(72 + 8)(102 + 8)(122 + 8)
= (12 + 8)(42 + 8)(102 + 8)(122 + 8)(262 + 8) = (22 + 8)(82 + 8)(262 + 8)(642 + 8)
= (22 + 8)(122 + 8)(262 + 8)(442 + 8).
by Yoshio Mimura, Kobe, Japan
49290
492902 = (32 + 6)(52 + 6)(102 + 6)(2222 + 6).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49277
492772 = 2428222729, a square pegged by 2.
Page of Squares : First Upload August 18, 2012 ; Last Revised August 18, 2012by Yoshio Mimura, Kobe, Japan
49284
49284 = 2222, a zigzag square.
Page of Squares : First Upload August 18, 2012 ; Last Revised August 18, 2012by Yoshio Mimura, Kobe, Japan
49300
493002 = (12 + 1)(132 + 1)(172 + 1)(1572 + 1) = (12 + 1)(22 + 1)(42 + 1)(72 + 1)(132 + 1)(412 + 1)
= (12 + 1)(32 + 1)(42 + 1)(122 + 1)(132 + 1)(172 + 1) = (12 + 1)(32 + 1)(42 + 1)(172 + 1)(1572 + 1)
= (12 + 1)(32 + 1)(72 + 1)(382 + 1)(412 + 1) = (32 + 1)(42 + 1)(72 + 1)(132 + 1)(412 + 1)
= (12 + 4)(42 + 4)(52 + 4)(82 + 4)(1112 + 4) = (12 + 4)(82 + 4)(242 + 4)(1112 + 4).
by Yoshio Mimura, Kobe, Japan
49302
493022 = (12 + 2)(22 + 2)(32 + 2)(52 + 2)(92 + 2)(742 + 2)
= (12 + 2)(22 + 2)(82 + 2)(92 + 2)(1572 + 2) = (12 + 2)(22 + 2)(742 + 2)(1572 + 2)
= (12 + 2)(52 + 2)(82 + 2)(92 + 2)(742 + 2) = (22 + 2)(32 + 2)(42 + 2)(92 + 2)(1572 + 2)
= (22 + 2)(92 + 2)(142 + 2)(1572 + 2) = (32 + 2)(42 + 2)(52 + 2)(92 + 2)(742 + 2)
= (32 + 2)(92 + 2)(222 + 2)(742 + 2) = (42 + 2)(82 + 2)(92 + 2)(1572 + 2)
= (42 + 2)(742 + 2)(1572 + 2) = (52 + 2)(92 + 2)(142 + 2)(742 + 2).
by Yoshio Mimura, Kobe, Japan
49306
493062 = 2292 + 2312 + 2332 + 2352 + 2372 + ... + 24432.
Page of Squares : First Upload August 18, 2012 ; Last Revised August 18, 2012by Yoshio Mimura, Kobe, Japan
49312
493122 = (12 + 7)(42 + 7)(232 + 7)(1572 + 7) = (12 + 7)(1112 + 7)(1572 + 7)
= (32 + 7)(42 + 7)(232 + 7)(1112 + 7) = (42 + 7)(272 + 7)(3792 + 7) = (192 + 7)(232 + 7)(1112 + 7).
by Yoshio Mimura, Kobe, Japan
49314
493142 = 2431870596, a square with different digits.
Page of Squares : First Upload August 18, 2012 ; Last Revised August 18, 2012by Yoshio Mimura, Kobe, Japan
49353
493532 = 2435718609, a square with different digits.
Page of Squares : First Upload August 18, 2012 ; Last Revised August 18, 2012by Yoshio Mimura, Kobe, Japan
49360
493602± 3 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49414
494142± 3 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49422
494222± 5 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49446
494462± 5 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49449
The quadratic polynomial 49449X2 - 205062X + 432289 takes the values 5262, 4692, 5122, 6352, 8022, 9912 at X = 1, 2,..., 6
Page of Squares : First Upload August 18, 2012 ; Last Revised August 18, 2012by Yoshio Mimura, Kobe, Japan
49476
494762 = (12 + 3)(22 + 3)(42 + 3)(422 + 3)(512 + 3) = (12 + 3)(42 + 3)(112 + 3)(122 + 3)(422 + 3)
= (12 + 3)(42 + 3)(422 + 3)(1352 + 3) = (22 + 3)(32 + 3)(42 + 3)(152 + 3)(822 + 3)
= (22 + 3)(42 + 3)(92 + 3)(112 + 3)(422 + 3) = (42 + 3)(52 + 3)(422 + 3)(512 + 3)
= (42 + 3)(92 + 3)(152 + 3)(822 + 3) = (232 + 3)(422 + 3)(512 + 3).
by Yoshio Mimura, Kobe, Japan
49514
495142± 3 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49572
495722 = (12 + 2)(22 + 2)(42 + 2)(52 + 2)(222 + 2)(242 + 2).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49574
495742± 3 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49610
496102± 3 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49644
496442± 5 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49658
496582± 3 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49659
496592± 2 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49685
496652 = 1443 + 1453 + 1463 + 1473 + 1483 + ... + 3183.
Page of Squares : First Upload August 18, 2012 ; Last Revised August 18, 2012by Yoshio Mimura, Kobe, Japan
49686
496862 = (12 + 3)(22 + 3)(62 + 3)(122 + 3)(1242 + 3) = (52 + 3)(62 + 3)(122 + 3)(1242 + 3)
= (122 + 3)(332 + 3)(1242 + 3).
by Yoshio Mimura, Kobe, Japan
49704
497042 = (12 + 3)(32 + 3)(42 + 3)(182 + 3)(912 + 3) = (12 + 3)(152 + 3)(182 + 3)(912 + 3).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49707
497072± 2 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49720
497202= 354 x 355 + 355 x 356 + 356 x 357 +...+ 1953 x 1954.
Page of Squares : First Upload August 18, 2012 ; Last Revised August 18, 2012by Yoshio Mimura, Kobe, Japan
49725
497252 = (22 + 9)(42 + 9)(242 + 9)(1142 + 9) = (22 + 9)(122 + 9)(242 + 9)(462 + 9)
= (42 + 9)(122 + 9)(8042 + 9).
by Yoshio Mimura, Kobe, Japan
49729
49729 = 2232, and 49 = 72, 729 = 272.
Page of Squares : First Upload August 18, 2012 ; Last Revised August 18, 2012by Yoshio Mimura, Kobe, Japan
49737
497372± 2 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49743
497432± 2 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49756
497562 = (12 + 3)(22 + 3)(94032 + 3) = (52 + 3)(94032 + 3).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49758
497582± 5 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49761
497612 = (12 + 8)(72 + 8)(21972 + 8).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49826
498262± 3 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49848
498482 = (12 + 3)(32 + 3)(82 + 3)(8792 + 3).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49851
498512 = 8092 + 8112 + 8132 + 8152 + 8172 + ... + 24892.
Page of Squares : First Upload August 18, 2012 ; Last Revised August 18, 2012by Yoshio Mimura, Kobe, Japan
49896
2552 + 49896 = 3392, 2552 - 49896 = 1232.
498962 = (82 - 1)(132 - 1)(4852 - 1).
Page of Squares : First Upload August 18, 2012 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49910
499102 = 27252 + 27272 + 27292 + 27312 + 27332 + ... + 32752.
Page of Squares : First Upload August 18, 2012 ; Last Revised August 18, 2012by Yoshio Mimura, Kobe, Japan
49920
499202 = (22 - 1)(32 - 1)(792 - 1)(1292 - 1) = (22 - 1)(92 - 1)(252 - 1)(1292 - 1)
= (32 - 1)(92 - 1)(252 - 1)(792 - 1) = (52 - 1)(792 - 1)(1292 - 1).
by Yoshio Mimura, Kobe, Japan
49932
499322 = (12 + 2)(22 + 2)(42 + 2)(62 + 2)(4502 + 2) = (12 + 2)(22 + 2)(62 + 2)(122 + 2)(1582 + 2)
= (42 + 2)(62 + 2)(122 + 2)(1582 + 2).
by Yoshio Mimura, Kobe, Japan
49938
499382 = (12 + 5)(1292 + 5)(1582 + 5) = (32 + 5)(62 + 5)(132 + 5)(1582 + 5)
= (32 + 5)(62 + 5)(162 + 5)(1292 + 5) = (42 + 5)(62 + 5)(132 + 5)(1292 + 5) = (712 + 5)(7032 + 5).
by Yoshio Mimura, Kobe, Japan
49948
499482± 3 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49950
499502 = (12 + 9)(32 + 9)(182 + 9)(2042 + 9) = (12 + 9)(62 + 9)(182 + 9)(1292 + 9)
= (32 + 9)(42 + 9)(62 + 9)(182 + 9)(192 + 9) = (32 + 9)(42 + 9)(62 + 9)(3512 + 9)
= (32 + 9)(42 + 9)(182 + 9)(1292 + 9) = (62 + 9)(182 + 9)(192 + 9)(212 + 9)
= (62 + 9)(212 + 9)(3512 + 9) = (182 + 9)(212 + 9)(1292 + 9).
by Yoshio Mimura, Kobe, Japan
49959
499592 = 7142 + 7152 + 7162 + 7172 + ... + 19872.
Page of Squares : First Upload August 18, 2012 ; Last Revised August 18, 2012by Yoshio Mimura, Kobe, Japan
49964
499642 = 2496401296, 24964 = 1582 and 1296 = 362.
Page of Squares : First Upload August 18, 2012 ; Last Revised August 18, 2012by Yoshio Mimura, Kobe, Japan
49973
499732 = 6872 + 6882 + 6892 + 6902 + ... + 19842.
Page of Squares : First Upload August 18, 2012 ; Last Revised August 18, 2012by Yoshio Mimura, Kobe, Japan
49980
499802 = (62 - 1)(502 - 1)(1692 - 1).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
49984
499842 = (22 + 7)(32 + 7)(52 + 7)(82 + 7)(792 + 7) = (32 + 7)(52 + 7)(22092 + 7)
= (32 + 7)(82 + 7)(14832 + 7) = (52 + 7)(82 + 7)(132 + 7)(792 + 7) = (82 + 7)(752 + 7)(792 + 7).
by Yoshio Mimura, Kobe, Japan