3

This number is a prime.

Just showing those entries submitted by 'Capelle': (Click here to show all)

Jason Funk © 2002
+ The smallest triadic prime. [Capelle]

+ The smallest prime p such that π(p2) = (π(p))2. [Capelle]

+ 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]

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