This number is a prime.
Single Curio View: (Seek other curios for this number)It is conjectured that the Erdős-Moser equation 1k+2k+...+(m-1)k = mk has an integer solution only for m = 3: 11 + 21 = 31. [Capelle]
Submitted: 2009-07-28 14:58:17; Last Modified: 2009-07-28 15:41:51.
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