10

This number is a composite.

Single Curio View:   (Seek other curios for this number)
10!+9!+8!+ ... +2!+1!+0!+1!+2!+ ... +8!+9!+10! is prime. [Silva]

Submitted: 2009-10-21 12:00:33;   Last Modified: 2009-11-02 18:15:38.
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