3238428376721

This number is a prime.

323 8428376721

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The only prime of form x^(x+1)+(x+1)^(x+2) where x is a double-digit number, i.e., 10^11+11^12. [Loungrides]

Submitted: 2012-09-18 03:33:07; Last Modified: 2018-05-10 11:36:39.