12457

This number is a prime.

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A prime in the decimal expansion of fifth root of 3, an expression of the first two odd primes, which is a truncation of another such prime 12457309. Note that these two primes both have prime digital sums, 19 and 31. [Post]

Submitted: 2009-03-27 23:34:35;   Last Modified: 2009-03-28 12:45:41.
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