41

This number is a prime.

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The smallest prime with a prime subscript (P = p_Q, and Q = 13) to have a digit sum (5) that is also a prime with a prime (3) subscript. Note that the latter is itself the smallest prime with a prime subscript (p = p_q, and q = 2), p and q being the difference of digits of P and Q respectively. [Beedassy]

Submitted: 2009-04-30 10:45:37; Last Modified: 2009-04-30 11:38:16.