1259

This number is a prime.

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The only prime (emirp) equal to the sum of first n consecutive primes ending with 3 and smaller than a thousand, i.e., 3+13+23+...+193+223. Note that the number of terms is also emirp (n=13). [Loungrides]

Submitted: 2012-12-18 05:10:22; Last Modified: 2016-05-17 11:41:21.