15013

This number is a prime.

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+ 2^0 + 3^1 + 5^2 + 7^3 + 11^4 = 15013 = Sum_{i=1..5} p(i)^(i-1), where p(i) denotes i-th prime number, is the largest known such prime (as of 13 Feb 2008) and the smallest emirp of that form. [Post]

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