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130000 - 139999

130001

1300012 = 16900260001 is a reversible square (10006200961 = 1000312).

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

130011

1300112 = 16902860121 is a reversible square (12106820961 = 1100312).

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

130101

1301012 = 16926270201 is a reversible square (10207262961 = 1010312).

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

130111

1301112 = 16928872321 is a reversible square (12327882961 = 1110312).

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

130237

1302372 = 16961676169, a square pegged by 6.

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

130524

The quadratic polynomial 130524X2 - 677916X + 864361 takes the values 5632, 1752, 732, 4912, 8592, 12232 at X = 1, 2,..., 6.

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

130729

The sum of consecutive odd primes 3 + 5 + 7 + 11 + ... + 130729 is a square 275402.

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

130834

1308342 = 17117535556, 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

131666

1316662 = 17335935556, 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

132496

132496 = 3642, a square with different digits.

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

132634

1326342 = 17591777956, 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

132825

1328252 = 17642480625, and 1764 = 422, 2480625 = 15752.

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

132954

1329542 = 17676766116, a square with 3 kinds of digits.

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

133334

1333342 = 17777955556, 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

133726

12 + 22 + 32 + 42 + ... + 1337262 = 797133717337551, which consists of odd digits (the unique example for 15-digit numbers.)

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

133834

1338342 = 17911539556, 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

134169

The quadratic polynomial 134169X2 - 895986X + 1480921 takes the values 8482, 4752, 222, 2092, 5962, 9672 at X = 1, 2,..., 6.

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

134689

134689 = 3672, a square the sequence of digits of which is increasing.

134689 (= 3672) --> 13689 (= 1172) --> 1369 (= 372) --> 169 (= 132) --> 16 (= 42) --> 1 (= 12).

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

136080

1360802 = (13 + 23 + 33 + 43 + 53 + ... + 353)(363).

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

136161

136161 = 3692, a square with 3 kinds of digits.

136161 = (1 + 361 + 6 + 1)2.

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

136284

1362842 = 4652 x 4653 + 4654 x 4655 + 4656 x 4657 + 4658 x 4659 + ... + 5962 x 5963.

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

136341

1363412 = 18588868281, a square pegged by 8.

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

136366

1363662 = 18595685956.

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

136895

1368952 = 18740241025, and 18740241 = 43292, 25 = 52.

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

138600

1386002 = 3853 + 3863 + 3873 + 3882 + ... + 5603.

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

139756

1397562 = 19531739536, 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

139876

139876 = 3742, a sqaure with different digits.

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

139932

135 + 139932 = 7152, 135 - 139932 = 4812.

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

139945

The quadratic polynomial 139945X2 - 794430X + 1175769 takes the values 7222, 3832, 2282, 4872, 8382, 12032 at X = 1, 2,..., 6.

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