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290000 - 299999

292050

2920502 = 6082 * 6083 + 6084 * 6085 + 6086 * 6087 + 6088 * 6089 + ... + 9030 * 9031.

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan

292740

2927402 = 8333 + 8343 + 8353 + 8363 + ... + 9523.

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan

293262

2932622 = 86002600644, a square with even digits.

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan

293702

2937022 = 86260864804, a square with even digits.

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan

293764

293764 = 5422, a square with different digits.

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan

294650

2946502 = 4282 * 4283 + 4284 * 4285 + 4286 * 4287 + 4288 * 4289 + ... + 8430 * 8431.

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan

295260

2952602 = 7! + 7! + 7! + 8! + 8! + 8! + 8! + 14!.

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan

295261

2952612 = 1! + 5! + 6! + 8! + 9! + 9! + 14!.

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan

295272

2952722 = 4! + 5! + 7! + 10! + 10! + 14!.

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan

296520

The quadratic polynomial 296520X2 - 1661520X + 2639641 takes the values 11292, 7092, 5692, 8592, 13212, 18292 at X = 1, 2,..., 6.

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan

296992

2969922 = 88204248064, a square with even digits.

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan

297012

2970122 = 4! + 5! + 11! + 11! + 12! + 12! + 14!.

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan

297022

2970222 = 88222068484, a square with even digits.

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan

297353

2973532 = the sum of (23x+22)2 for x = 0,1,2,...,793.

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan

297662

2976622 = 88602666244, a square with even digits.

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan

297702

2977022 = 88626480804, a square with even digits.

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan

297762

2977622 = 88662208644, a square with even digits.

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan

297956

2979562 = 88777777936, a square contains repeating digits.

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

297998

2979982 = 88802808004, a square with even digits.

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan

298116

2981162 = (12 + ... + 132)*(142)*(152 + ... + 1182).

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan

298102

298102 = 88864802404, a square with even digits.

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan

298130

2981302 = 10254 * 10255 + 10256 * 10257 + 10258 * 10259 + ... + 11722 * 11723.

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan

298290

2982902 = 1614 * 1615 + 1616 * 1617 + 1618 * 1619 + 1620 * 1621 + ... + 8132 * 8133.

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan

298327

2983272 = 88998998929, a square with 3 kinds of digits.

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan

298545

The quadratic polynomial 298545X2 - 2018640X + 3572416 takes the values 13612, 8542, 4512, 5242, 9712, 14862 at X = 1, 2,..., 6.

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan

299209

299209 = 5472, a square with 3 kinds of digits.

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan

299460

2994602 = 488*489*490 + 490*491*492 + 492*493*494 + 494*495*496 + ... + 936*937*938.

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

299784

299784-2 = 89870446656, and 898704 = 9482, 46656 = 2162.

Page of Squares : First Upload April 13, 2013 ; Last Revised April 13, 2013
by Yoshio Mimura, Kobe, Japan