47040
2382 + 47040 = 3222, 2382 - 47040 = 982.
470402 = (22 - 1)(32 - 1)(972 - 1)(992 - 1) = (32 - 1)(62 - 1)(292 - 1)(972 - 1)
= (52 - 1)(972 - 1)(992 - 1) = (62 - 1)(132 - 1)(152 - 1)(412 - 1).
by Yoshio Mimura, Kobe, Japan
47044
470442± 3 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47060
470602 = (12 + 1)(52 + 1)(192 + 1)(3432 + 1).
Page of Squares : First Upload November 9, 2013 ; Last Revised November 9, 2013by Yoshio Mimura, Kobe, Japan
47061
470612 = (22 + 5)(42 + 5)(242 + 5)(1422 + 5).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47082
470822± 5 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47089
47089 = 2172, a square with different digits.
Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012by Yoshio Mimura, Kobe, Japan
47096
470962 = (142 + 7)(152 + 7)(2172 + 7).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47104
471042 = (12 + 7)(32 + 7)(52 + 7)(112 + 7)(652 + 7) = (12 + 7)(42 + 7)(192 + 7)(1812 + 7)
= (32 + 7)(652 + 7)(1812 + 7).
by Yoshio Mimura, Kobe, Japan
47110
471102± 3 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47122
471222 = 2220482884, a square with even digits.
Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012by Yoshio Mimura, Kobe, Japan
47128
471282± 3 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47138
471382± 3 are primes.
471382 = (22 + 3)(162 + 3)(192 + 3)(582 + 3).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47157
471572± 2 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47162
471622 = 2224254244, a square with 3 kinds of digita.
Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012by Yoshio Mimura, Kobe, Japan
47168
471682 = 2224820224, a square with even digits.
471682 = (12 + 7)(22 + 7)(132 + 7)(3792 + 7) = (22 + 7)(32 + 7)(92 + 7)(3792 + 7)
= (32 + 7)(52 + 7)(232 + 7)(902 + 7) = (32 + 7)(312 + 7)(3792 + 7) = (92 + 7)(132 + 7)(3792 + 7).
by Yoshio Mimura, Kobe, Japan
47170
471702 = (12 + 4)(212 + 4)(10002 + 4).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47175
471752 = (182 + 9)(462 + 9)(562 + 9).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47188
471882± 3 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47196
The sum of the cubes of the divisors of 47196 is 124550956857600 = 111602402.
Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012by Yoshio Mimura, Kobe, Japan
47201
472012 = 2692 + 2702 + 2712 + 2722 + ... + 18852.
Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012by Yoshio Mimura, Kobe, Japan
47202
472022 = 2228028804, a square with even digits.
Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012by Yoshio Mimura, Kobe, Japan
47229
472292± 2 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47235
472352± 2 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47277
472772± 2 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47338
473382 = 2240886244, a square with even digits.
Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012by Yoshio Mimura, Kobe, Japan
47354
473542± 3 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47377
473772 = 6122 + 6132 + 6142 + 6152 + ... + 19092
Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012by Yoshio Mimura, Kobe, Japan
47408
474082± 3 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47422
474222± 3 are primes.
474222 = 2248846084, a square with even digits.
Page of Squares : First Upload August 11, 2012 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47450
474502 = (12 + 9)(42 + 9)(30012 + 9) = (12 + 9)(82 + 9)(112 + 9)(1542 + 9).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47481
474812± 2 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47424
2652 + 47424 = 3432, 2652 - 47424 = 1512.
Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012by Yoshio Mimura, Kobe, Japan
47440
474402± 3 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47488
474882 = (12 + 7)(72 + 7)(292 + 7)(772 + 7) = (212 + 7)(292 + 7)(772 + 7).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47508
475082± 5 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47520
3662 + 47520 = 4262, 3662 - 47520 = 2942,
2192 + 47520 = 3092, 2192 - 47520 = 212.
475202 = (22 - 1)(32 - 1)(42 - 1)(102 - 1)(112 - 1)(232 - 1)
= (22 - 1)(32 - 1)(42 - 1)(232 - 1)(1092 - 1) = (22 - 1)(32 - 1)(52 - 1)(102 - 1)(1992 - 1)
= (22 - 1)(32 - 1)(92 - 1)(102 - 1)(1092 - 1) = (22 - 1)(32 - 1)(102 - 1)(112 - 1)(892 - 1)
= (22 - 1)(32 - 1)(892 - 1)(1092 - 1) = (22 - 1)(42 - 1)(52 - 1)(72 - 1)(102 - 1)(212 - 1)
= (22 - 1)(42 - 1)(102 - 1)(112 - 1)(652 - 1) = (22 - 1)(42 - 1)(102 - 1)(232 - 1)(312 - 1)
= (22 - 1)(42 - 1)(652 - 1)(1092 - 1) = (22 - 1)(72 - 1)(102 - 1)(192 - 1)(212 - 1)
= (22 - 1)(102 - 1)(312 - 1)(892 - 1) = (22 - 1)(112 - 1)(232 - 1)(1092 - 1)
= (32 - 1)(102 - 1)(192 - 1)(892 - 1) = (32 - 1)(102 - 1)(262 - 1)(652 - 1)
= (32 - 1)(42 - 1)(52 - 1)(102 - 1)(892 - 1) = (32 - 1)(42 - 1)(92 - 1)(4852 - 1)
= (32 - 1)(42 - 1)(102 - 1)(192 - 1)(232 - 1) = (42 - 1)(52 - 1)(102 - 1)(112 - 1)(232 - 1)
= (42 - 1)(52 - 1)(232 - 1)(1092 - 1) = (42 - 1)(102 - 1)(192 - 1)(652 - 1)
= (52 - 1)(92 - 1)(102 - 1)(1092 - 1) = (52 - 1)(102 - 1)(112 - 1)(892 - 1)
= (52 - 1)(892 - 1)(1092 - 1) = (92 - 1)(112 - 1)(4852 - 1)
= (102 - 1)(112 - 1)(192 - 1)(232 - 1) = (192 - 1)(232 - 1)(1092 - 1).
by Yoshio Mimura, Kobe, Japan
47529
475292± 2 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47532
475322 = (22 + 8)(32 + 8)(152 + 8)(2182 + 8) = (142 + 8)(152 + 8)(2182 + 8).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47538
475382 = (12 + 2)(62 + 2)(502 + 2)(892 + 2).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47554
475542± 3 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47564
475642± 3 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47574
475742 = (12 + 2)(22 + 2)(52 + 2)(21582 + 2) = (42 + 2)(52 + 2)(21582 + 2) = (222 + 2)(21582 + 2).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47575
475752 = (372 + 6)(12832 + 6).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47600
476002 = 2074 x 2075 + 2076 x 2077 + 2078 x 2079 + 2080 x 2081 + ... + 2822 x 2823.
Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012by Yoshio Mimura, Kobe, Japan
47628
476282± 5 are primes.
476282 = (12 + 5)(22 + 5)(32 + 5)(172 + 5)(1012 + 5)
= (12 + 5)(22 + 5)(42 + 5)(72 + 5)(112 + 5)(172 + 5) = (12 + 5)(32 + 5)(42 + 5)(112 + 5)(1012 + 5)
= (12 + 5)(112 + 5)(172 + 5)(1012 + 5) = (32 + 5)(72 + 5)(172 + 5)(1012 + 5).
by Yoshio Mimura, Kobe, Japan
47632
476322± 3 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47633
476332 = 31172 + 31182 + 31192 + ... + 33342.
Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012by Yoshio Mimura, Kobe, Japan
47643
476432± 2 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47652
476522 = (72 + 8)(502 + 8)(1262 + 8).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47672
47672, 47673, 47674, 47675, 47676 and 47677 are six consecutive integers having square factors (the 4th case).
Page of Squares : First Upload December 14, 2013 ; Last Revised December 14, 2013by Yoshio Mimura, Kobe, Japan
47724
477242 = (222 + 8)(342 + 8)(632 + 8).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47740
477402 = (12 + 6)(22 + 6)(42 + 6)(52 + 6)(82 + 6)(262 + 6)
= (22 + 6)(42 + 6)(52 + 6)(222 + 6)(262 + 6).
by Yoshio Mimura, Kobe, Japan
47742
477422± 5 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47744
477442± 3 are primes.
477442 = (32 + 7)(112 + 7)(10552 + 7).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47798
477982 = 2284648804, a square with even digits.
Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012by Yoshio Mimura, Kobe, Japan
47848
478482± 3 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47850
478502 = (32 + 6)(42 + 6)(72 + 6)(92 + 6)(382 + 6) = (32 + 6)(72 + 6)(122 + 6)(1362 + 6)
= (72 + 6)(92 + 6)(182 + 6)(382 + 6).
by Yoshio Mimura, Kobe, Japan
47852
478522± 3 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47855
478552 = 16952 + 16962 + 16972 + 16982 + ... + 22722.
Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012by Yoshio Mimura, Kobe, Japan
47880
2212 + 47880 = 3112, 2212 - 47880 = 312.
478802 = (32 - 1)(42 - 1)(62 - 1)(202 - 1)(372 - 1) = (62 - 1)(112 - 1)(202 - 1)(372 - 1).
Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012by Yoshio Mimura, Kobe, Japan
47886
478862± 5 are primes.
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan
47961
47961 = 2192, a square with different digits.
Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012by Yoshio Mimura, Kobe, Japan
47970
479702 = (22 + 9)(32 + 9)(142 + 9)(2192 + 9) = (142 + 9)(152 + 9)(2192 + 9).
Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014by Yoshio Mimura, Kobe, Japan