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47000 - 47999

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).

Page of Squares : First Upload August 11, 2012 ; Last Revised March 12, 2014
by Yoshio Mimura, Kobe, Japan

47044

470442± 3 are primes.

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by 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, 2013
by 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, 2014
by Yoshio Mimura, Kobe, Japan

47082

470822± 5 are primes.

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by Yoshio Mimura, Kobe, Japan

47089

47089 = 2172, a square with different digits.

Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012
by Yoshio Mimura, Kobe, Japan

47096

470962 = (142 + 7)(152 + 7)(2172 + 7).

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by 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).

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by Yoshio Mimura, Kobe, Japan

47110

471102± 3 are primes.

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by Yoshio Mimura, Kobe, Japan

47122

471222 = 2220482884, a square with even digits.

Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012
by Yoshio Mimura, Kobe, Japan

47128

471282± 3 are primes.

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by 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, 2014
by Yoshio Mimura, Kobe, Japan

47157

471572± 2 are primes.

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by 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, 2012
by 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).

Page of Squares : First Upload August 11, 2012 ; Last Revised March 12, 2014
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, 2014
by Yoshio Mimura, Kobe, Japan

47175

471752 = (182 + 9)(462 + 9)(562 + 9).

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by Yoshio Mimura, Kobe, Japan

47188

471882± 3 are primes.

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by 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, 2012
by Yoshio Mimura, Kobe, Japan

47201

472012 = 2692 + 2702 + 2712 + 2722 + ... + 18852.

Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012
by Yoshio Mimura, Kobe, Japan

47202

472022 = 2228028804, a square with even digits.

Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012
by Yoshio Mimura, Kobe, Japan

47229

472292± 2 are primes.

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by Yoshio Mimura, Kobe, Japan

47235

472352± 2 are primes.

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by Yoshio Mimura, Kobe, Japan

47277

472772± 2 are primes.

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by Yoshio Mimura, Kobe, Japan

47338

473382 = 2240886244, a square with even digits.

Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012
by Yoshio Mimura, Kobe, Japan

47354

473542± 3 are primes.

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by Yoshio Mimura, Kobe, Japan

47377

473772 = 6122 + 6132 + 6142 + 6152 + ... + 19092

Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012
by Yoshio Mimura, Kobe, Japan

47408

474082± 3 are primes.

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by 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, 2014
by 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, 2014
by Yoshio Mimura, Kobe, Japan

47481

474812± 2 are primes.

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by Yoshio Mimura, Kobe, Japan

47424

2652 + 47424 = 3432, 2652 - 47424 = 1512.

Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012
by Yoshio Mimura, Kobe, Japan

47440

474402± 3 are primes.

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by 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, 2014
by Yoshio Mimura, Kobe, Japan

47508

475082± 5 are primes.

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by 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).

Page of Squares : First Upload August 11, 2012 ; Last Revised March 12, 2014
by Yoshio Mimura, Kobe, Japan

47529

475292± 2 are primes.

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by 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, 2014
by 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, 2014
by Yoshio Mimura, Kobe, Japan

47554

475542± 3 are primes.

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by Yoshio Mimura, Kobe, Japan

47564

475642± 3 are primes.

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by 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, 2014
by Yoshio Mimura, Kobe, Japan

47575

475752 = (372 + 6)(12832 + 6).

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by 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, 2012
by 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).

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by Yoshio Mimura, Kobe, Japan

47632

476322± 3 are primes.

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by Yoshio Mimura, Kobe, Japan

47633

476332 = 31172 + 31182 + 31192 + ... + 33342.

Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012
by Yoshio Mimura, Kobe, Japan

47643

476432± 2 are primes.

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by Yoshio Mimura, Kobe, Japan

47652

476522 = (72 + 8)(502 + 8)(1262 + 8).

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by 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, 2013
by Yoshio Mimura, Kobe, Japan

47724

477242 = (222 + 8)(342 + 8)(632 + 8).

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by 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).

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by Yoshio Mimura, Kobe, Japan

47742

477422± 5 are primes.

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by 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, 2014
by Yoshio Mimura, Kobe, Japan

47798

477982 = 2284648804, a square with even digits.

Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012
by Yoshio Mimura, Kobe, Japan

47848

478482± 3 are primes.

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by 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).

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by Yoshio Mimura, Kobe, Japan

47852

478522± 3 are primes.

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by Yoshio Mimura, Kobe, Japan

47855

478552 = 16952 + 16962 + 16972 + 16982 + ... + 22722.

Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012
by 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, 2012
by Yoshio Mimura, Kobe, Japan

47886

478862± 5 are primes.

Page of Squares : First Upload March 12, 2014 ; Last Revised March 12, 2014
by Yoshio Mimura, Kobe, Japan

47961

47961 = 2192, a square with different digits.

Page of Squares : First Upload August 11, 2012 ; Last Revised August 11, 2012
by 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, 2014
by Yoshio Mimura, Kobe, Japan