# 413

This number is a composite.

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At 413, the number of composite numbers ending with a 3
finally catches up to the number of primes ending with a 3
at 21 each after falling behind by as much as 9 to 3 at n =
113. [Gaydos]
Submitted: 2015-12-18 20:01:33; Last Modified: 2019-07-31 06:41:15.

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