29000
290002 = (12 + 4)(112 + 4)(142 + 4)(822 + 4) = (12 + 4)(52 + 4)(62 + 4)(112 + 4)(342 + 4)
= (52 + 4)(112 + 4)(142 + 4)(342 + 4).
by Yoshio Mimura, Kobe, Japan
29032
290322± 3 are primes.
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29034
290342 = 842973156 is a square with different digits.
Page of Squares : First Upload May 5, 2012 ; Last Revised May 5, 2012by Yoshio Mimura, Kobe, Japan
29040
1872 + 29040 = 2532, 1872 - 29040 = 772.
Page of Squares : First Upload May 5, 2012 ; Last Revised May 5, 2012by Yoshio Mimura, Kobe, Japan
29049
290492± 2 are primes.
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29084
290842± 3 are primes.
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29085
290852± 2 are primes.
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29094
290942± 5 are primes.
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29106
291062 = 847159236 is a square with different digits.
Page of Squares : First Upload May 5, 2012 ; Last Revised May 5, 2012by Yoshio Mimura, Kobe, Japan
29140
291402= 192 x 193 + 193 x 194 + 194 x 195 +...+ 1366 x 1367.
Page of Squares : First Upload May 5, 2012 ; Last Revised May 5, 2012by Yoshio Mimura, Kobe, Japan
29148
291482± 5 are primes.
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29150
291502 = (42 + 6)(72 + 6)(8382 + 6).
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29186
291862± 3 are primes.
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29200
292002 = (12 + 4)(22 + 4)(42 + 4)(192 + 4)(542 + 4) = (42 + 4)(62 + 4)(192 + 4)(542 + 4).
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29208
292082 = 853107264 is a square with different digits.
Page of Squares : First Upload May 5, 2012 ; Last Revised May 5, 2012by Yoshio Mimura, Kobe, Japan
29241
29241 = 1712 is a zigzag square.
Page of Squares : First Upload May 5, 2012 ; Last Revised May 5, 2012by Yoshio Mimura, Kobe, Japan
29250
292502 = (12 + 9)(22 + 9)(42 + 9)(212 + 9)(242 + 9) = (12 + 9)(22 + 9)(42 + 9)(92 + 9)(542 + 9)
= (12 + 9)(42 + 9)(62 + 9)(112 + 9)(242 + 9) = (12 + 9)(542 + 9)(1712 + 9)
= (152 + 9)(242 + 9)(792 + 9) = (22 + 9)(32 + 9)(242 + 9)(792 + 9)
= (22 + 9)(42 + 9)(62 + 9)(112 + 9)(212 + 9) = (22 + 9)(42 + 9)(92 + 9)(1712 + 9)
= (22 + 9)(62 + 9)(152 + 9)(792 + 9) = (42 + 9)(112 + 9)(212 + 9)(242 + 9)
= (42 + 9)(62 + 9)(212 + 9)(412 + 9) = (42 + 9)(92 + 9)(112 + 9)(542 + 9).
by Yoshio Mimura, Kobe, Japan
29290
292902 = (12 + 4)(52 + 4)(202 + 4)(1212 + 4).
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29325
293252± 2 are primes.
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29337
293372± 2 are primes.
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29372
293722± 3 are primes.
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29380
293802 = (12 + 1)(32 + 1)(152 + 1)(4372 + 1).
Page of Squares : First Upload November 9, 2013 ; Last Revised November 9, 2013by Yoshio Mimura, Kobe, Japan
29398
293982 = 864242404 is a square with even digits.
Page of Squares : First Upload May 5, 2012 ; Last Revised May 5, 2012by Yoshio Mimura, Kobe, Japan
29400
1752 + 29400 = 2452, 1752 - 29400 = 352.
294002 = (22 - 1)(62 - 1)(292 - 1)(992 - 1) = (42 - 1)(62 - 1)(132 - 1)(992 - 1).
294002 = (12 + 23 + 33 + ... + 72)(82 + 92 + 102)(112 + 123 + 133 + ... + 422).
Page of Squares : First Upload May 5, 2012 ; Last Revised February 9, 2013by Yoshio Mimura, Kobe, Japan
29404
294042± 3 are primes.
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29409
294092± 2 are primes.
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29410
294102 = (132 + 4)(22362 + 4).
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29412
294122± 5 are primes.
294122 = (12 + 2)(22 + 2)(62 + 2)(162 + 2)(702 + 2) = (42 + 2)(62 + 2)(162 + 2)(702 + 2).
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29430
294302 = (32 + 9)(62 + 9)(102 + 9)(992 + 9).
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29432
294322 = 866242624 is a square with even digits.
Page of Squares : First Upload May 5, 2012 ; Last Revised May 5, 2012by Yoshio Mimura, Kobe, Japan
29463
294632 = (382 + 5)(7742 + 5) = (42 + 5)(82 + 5)(7742 + 5).
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29493
294932± 2 are primes.
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29575
295752 = 1062 + 1072 + 1082 + ... + 13792.
Page of Squares : First Upload May 5, 2012 ; Last Revised May 5, 2012by Yoshio Mimura, Kobe, Japan
29580
295802 = (12 + 9)(52 + 9)(72 + 9)(92 + 9)(222 + 9).
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29584
29584 = 1722 is a square with different digits.
Page of Squares : First Upload May 5, 2012 ; Last Revised May 5, 2012by Yoshio Mimura, Kobe, Japan
29592
295922 = (42 + 8)(352 + 8)(1722 + 8).
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29596
295962 = (12 + 3)(22 + 3)(652 + 3)(862 + 3) = (52 + 3)(652 + 3)(862 + 3).
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29597
295972 = 15952 + 15962 + 15972 + ... + 18832.
Page of Squares : First Upload May 5, 2012 ; Last Revised May 5, 2012by Yoshio Mimura, Kobe, Japan
29600
296002 = (12 + 4)(22 + 4)(42 + 4)(122 + 4)(862 + 4) = (22 + 4)(62 + 4)(122 + 4)(1362 + 4)
= (42 + 4)(62 + 4)(122 + 4)(862 + 4).
by Yoshio Mimura, Kobe, Japan
29610
296102 = (12 + 5)(102 + 5)(182 + 5)(652 + 5) = (182 + 5)(252 + 5)(652 + 5)
= (42 + 5)(52 + 5)(182 + 5)(652 + 5) = (52 + 5)(102 + 5)(182 + 5)(292 + 5).
by Yoshio Mimura, Kobe, Japan
29614
296142 = 876988996, 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
29624
296242± 3 are primes.
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29626
296262 = 877699876, 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
29646
296462± 5 are primes.
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29696
296962 = (32 + 7)(112 + 7)(152 + 7)(432 + 7).
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29702
297022 = 882208804 is a square with even digits.
Page of Squares : First Upload May 5, 2012 ; Last Revised May 5, 2012by Yoshio Mimura, Kobe, Japan
29704
297042± 3 are primes.
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29760
297602 = (22 - 1)(92 - 1)(19212 - 1).
4812 + 29760 = 5112, 4812 - 29760 = 4492.
Page of Squares : First Upload May 5, 2012 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29766
297662 = (192 + 2)(302 + 2)(522 + 2).
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29770
297702 = (12 + 4)(32 + 4)(152 + 4)(2442 + 4) = (12 + 9)(22 + 9)(26112 + 9) = (112 + 9)(26112 + 9).
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29787
297872± 2 are primes.
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29802
298022 + 388682 = 2398880628, mosaic.
Page of Squares : First Upload May 5, 2012 ; Last Revised May 5, 2012by Yoshio Mimura, Kobe, Japan
29820
298202 = 154*155*156 + 156*157*158 + 158*159*160 + 160*161*162 + ... + 294*295*296.
Page of Squares : First Upload October 26, 2103 ; Last Revised October 26, 2103by Yoshio Mimura, Kobe, Japan
29822
298222 = (72 + 3)(202 + 3)(2062 + 3).
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29826
298262± 5 are primes.
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29889
298892 = (112 + 2)(26952 + 2).
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29908
299082± 3 are primes.
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29925
299252± 2 are primes.
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29929
29929 = 1732 is a square with 2 kinds of digits.
Page of Squares : First Upload May 5, 2012 ; Last Revised May 5, 2012by Yoshio Mimura, Kobe, Japan
29938
299382± 3 are primes.
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29968
299682± 3 are primes.
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan
29973
299732± 2 are primes.
Page of Squares : First Upload February 15, 2014 ; Last Revised February 15, 2014by Yoshio Mimura, Kobe, Japan