logo
190000 - 199999

190390

1903902 = 21342 x 21343 + 21344 x 21345 + 21346 x 21347 + ... + 21498 x 21499.

Page of Squares : First Upload March 2, 2013 ; Last Revised March 2, 2013
by Yoshio Mimura, Kobe, Japan

190443

1904432 = 36268536249 is the 6th mosaic square (328329 = 5732, 66564 = 2582).

Page of Squares : First Upload March 2, 2013 ; Last Revised March 2, 2013
by Yoshio Mimura, Kobe, Japan

190512

1905122 = (13 + 23 + 33 + ... + 273)(283 + 293 + 303 + ... + 353).

Page of Squares : First Upload March 2, 2013 ; Last Revised March 2, 2013
by Yoshio Mimura, Kobe, Japan

190614

1906142 = 36333696996, a sqaure with 3 kinda of digits.

Page of Squares : First Upload March 2, 2013 ; Last Revised March 2, 2013
by Yoshio Mimura, Kobe, Japan

190969

190969 = 4372, a sqaure pegged by 9.

Page of Squares : First Upload March 2, 2013 ; Last Revised March 2, 2013
by Yoshio Mimura, Kobe, Japan

191844

191844 = (12 + 92 + 182 + 42 + 42)2.

Page of Squares : First Upload March 2, 2013 ; Last Revised March 2, 2013
by Yoshio Mimura, Kobe, Japan

193032

1933 + 193032 = 27172, 1933 - 193032 = 26452.

Page of Squares : First Upload March 2, 2013 ; Last Revised March 2, 2013
by Yoshio Mimura, Kobe, Japan

193744

1937442 = 37536737536.

Page of Squares : First Upload March 2, 2013 ; Last Revised March 2, 2013
by Yoshio Mimura, Kobe, Japan

193854

1938542 = 37579373316, a square with odd digits except the last digit 6.

Page of Squares : First Upload September 21, 2013 ; Last Revised September 21, 2013
by Yoshio Mimura, Kobe, Japan

194028

1940282 = 133*134*135 + 135*136*137 + 137*138*139 + 139*140*141 + ... + 739*740*741.

Page of Squares : First Upload October 26, 2013 ; Last Revised October 26, 2013
by Yoshio Mimura, Kobe, Japan

194220

613 + 194220 = 6492, 613 - 194220 = 1812.

Page of Squares : First Upload March 2, 2013 ; Last Revised March 2, 2013
by Yoshio Mimura, Kobe, Japan

194256

1942562 = 37735393536, a square with odd digits except the last digit 6.

Page of Squares : First Upload September 21, 2013 ; Last Revised September 21, 2013
by Yoshio Mimura, Kobe, Japan

195364

195364 = 4422, a sqaure with different digits.

Page of Squares : First Upload March 2, 2013 ; Last Revised March 2, 2013
by Yoshio Mimura, Kobe, Japan

196075

1960752 = 38445405625, and 3844 = 622, 5405625 = 23252.

Page of Squares : First Upload March 2, 2013 ; Last Revised March 2, 2013
by Yoshio Mimura, Kobe, Japan

196161

The quadratic polynomial 196161X2 - 1259622X + 2251561 takes the values 10902, 7192, 4882, 5932, 9262, 13252 at X = 1, 2,..., 6.

Page of Squares : First Upload March 2, 2013 ; Last Revised March 2, 2013
by Yoshio Mimura, Kobe, Japan

197681

1976812 = 39077777761, a square contains repeating digits.

Page of Squares : First Upload September 21, 2013 ; Last Revised September 21, 2013
by Yoshio Mimura, Kobe, Japan

198275

1982752 = 39312975625, and 393129 = 6272, 75625 = 2752.

Page of Squares : First Upload March 2, 2013 ; Last Revised March 2, 2013
by Yoshio Mimura, Kobe, Japan

197136

197136 = 4442, 19997919396 = 1414142.

Page of Squares : First Upload March 2, 2013 ; Last Revised March 2, 2013
by Yoshio Mimura, Kobe, Japan

198025

198025 = 4452, a sqaure with different digits.

Page of Squares : First Upload March 2, 2013 ; Last Revised March 2, 2013
by Yoshio Mimura, Kobe, Japan

198286

1982862 = 39317337796, a square with odd digits except the last digit 6.

Page of Squares : First Upload September 21, 2013 ; Last Revised September 21, 2013
by Yoshio Mimura, Kobe, Japan

198488

12 + 22 + 32 + 42 + ... + 1984882 = 2606662442026244, the first 16-digit sum which consists of even digits (there are five 16-digit sums.)

Page of Squares : First Upload March 2, 2013 ; Last Revised March 2, 2013
by Yoshio Mimura, Kobe, Japan

198846

1988462 = 39539731716, a square with odd digits except the last digit 6.

Page of Squares : First Upload September 21, 2013 ; Last Revised September 21, 2013
by Yoshio Mimura, Kobe, Japan

199225

1992252 = 39690600625, and 3969 = 632, 600625 = 7752.

Page of Squares : First Upload March 2, 2013 ; Last Revised March 2, 2013
by Yoshio Mimura, Kobe, Japan

199552

12 + 22 + 32 + 42 + ... + 1995522 = 2648806688028480, the second 16-digit sum which consists of even digits (there are five 16-digit sums.)

Page of Squares : First Upload March 2, 2013 ; Last Revised March 2, 2013
by Yoshio Mimura, Kobe, Japan

199856

1998562 = 39942420736, and 399424 = 6322, 20736 = 1442.

Page of Squares : First Upload March 2, 2013 ; Last Revised March 2, 2013
by Yoshio Mimura, Kobe, Japan