10
This number is a composite.
Single Curio View: (Seek other curios for this number)
11 + 22 + 33 + 44 + 55 + 66 + 77 + 88 + 99 + 1010 is prime. [Kulsha]
Submitted: 1999-09-02 23:40:00; Last Modified: 2008-01-30 17:28:00.
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