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Odd digited square (Posted on 2019-06-02)

Find all natural numbers n such that n² has only odd digits.

No Solution Yet Submitted by Danish Ahmed Khan

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re: All of them

| Comment 2 of 8 |

(In reply to All of them by broll)

Do you possibly mean 1 and 3 for n, with n^2 being 1 and 9?

Posted by Kenny M on 2019-06-02 09:08:57

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