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9 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) If the digit sum of n!, S(n!), is the product of 9 and any prime larger than n, then S(n!) cannot divide n!.
Submitted: 1999-09-02 18:40:00; Last Modified: 2008-01-30 11:28:00.
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