413

This number is a composite.

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Although 413 is a semiprime, (413 - 4)^4 + (413 - 1)^1 + (413 - 3)^3 is prime with prime length and a perfect number of prime digits. [Patterson]

Submitted: 2006-10-20 20:23:45; Last Modified: 2019-07-31 11:40:52.