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820359

820359² = 672988888881, a square contains repeating digits.

Page of Squares : First Upload September 28, 2013 ; Last Revised September 28, 2013
by Yoshio Mimura, Kobe, Japan

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820505

(820505² - 5) = (4² - 5)(8² - 5)(10² - 5)(12² - 5)(13² - 5)(22² - 5).

Page of Squares : First Upload July 6, 2013 ; Last Revised July 6, 2013
by Yoshio Mimura, Kobe, Japan

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823887

823887² = 678789788769, a square every digit of which is greater than 5.

Page of Squares : First Upload September 28, 2013 ; Last Revised September 28, 2013
by Yoshio Mimura, Kobe, Japan

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824230

824230² = 14277*14278 + 14279*14280 + 14281*14282 + 14283*14284 + ... + 19115*19116.

Page of Squares : First Upload July 6, 2013 ; Last Revised July 6, 2013
by Yoshio Mimura, Kobe, Japan

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824464

824464 = 908², a square with even digits.

Page of Squares : First Upload July 6, 2013 ; Last Revised July 6, 2013
by Yoshio Mimura, Kobe, Japan

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825360

825360² = 43079*43080 + 43081*43082 + 43083*43084 + 43085*43086 + ... + 43799*43800.

Page of Squares : First Upload July 6, 2013 ; Last Revised July 6, 2013
by Yoshio Mimura, Kobe, Japan

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826281

826281 = (826 + 2 + 81)².

Page of Squares : First Upload July 6, 2013 ; Last Revised July 6, 2013
by Yoshio Mimura, Kobe, Japan

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828667

828667² = 686688996889, a square with 3 kinds of digits.

Page of Squares : First Upload July 6, 2013 ; Last Revised July 6, 2013
by Yoshio Mimura, Kobe, Japan

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829521

125928² + 829521² = 839025².

Page of Squares : First Upload July 6, 2013 ; Last Revised July 6, 2013
by Yoshio Mimura, Kobe, Japan

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