16821683

This number is a prime.

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+ The smallest prime that splits up into a Ruth-Aaron pair (i.e., consecutive numbers with the same sum of distinct prime factors): (1682, 1683). Note that the equal sum of prime factors for this number pair (2*292, 32*11*17) is also prime: 2 + 29 = 31 = 3 + 11 + 17. [Beedassy]

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