1453

This number is a prime.

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The sum of all of the 3-digit palindromic primes that are not the sum of consecutive composite numbers (1453 = 313 + 383 + 757). Note that 1453 is also an emirp. [Loungrides]

Submitted: 2010-11-02 13:23:44; Last Modified: 2018-12-25 14:14:30.