11923

This number is a prime.

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Smallest emirp partial sum of emirps (after the trivial 13): 13 + 17 + 31 + 37 + 71 + 73 + 79 + 97 + 107 + 113 + 149 + 157 + 167 + 179 + 199 + 311 + 337 + 347 + 359 + 389 + 701 + 709 + 733 + 739 + 743 + 751 + 761 + 769 + 907 + 937 + 941 = 11923, which is prime. Note that R(11923) = 32911 is also prime and emirp(736). [Post]

Submitted: 2010-02-04 18:04:36; Last Modified: 2010-02-04 21:56:46.