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Odd digited square (Posted on 2019-06-02) Difficulty: 3 of 5
Find all natural numbers n such that n2 has only odd digits.

No Solution Yet Submitted by Danish Ahmed Khan    
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  Subject Author Date
Some ThoughtsPuzzle ThoughtsK Sengupta2022-06-09 00:33:00
re: numbertonny ken2019-10-18 21:03:27
re: numbertonny ken2019-10-18 05:06:51
re(3): All of themAnna Shetty2019-07-21 21:42:04
numbersamuel2019-07-21 21:27:57
re(2): All of thembroll2019-06-02 10:05:18
re: All of themKenny M2019-06-02 09:08:57
SolutionAll of thembroll2019-06-02 08:25:09
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