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All odd digit (Posted on 2020-10-05)

Find all positive integers n such that the decimal representation of n² consists of odd digits only.

No Solution Yet Submitted by Danish Ahmed Khan

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Subject	Author	Date
Puzzle Answer	K Sengupta	2022-05-10 22:02:11
High-quality essay writing	Booker	2020-10-28 08:31:42
No Subject	Booker	2020-10-28 08:31:38
a slightly shorter method.	broll	2020-10-06 04:57:32
solution	Charlie	2020-10-05 10:49:40
a proof	Larry	2020-10-05 09:58:51
Solution without formal proof	Larry	2020-10-05 09:05:15

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