3221

This number is a prime.

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The smallest emirp with a partition into three consecutive emirps (1061 + 1069 + 1091) that concatenate to a prime (106110691091). Note that the latter nonprime-digit prime derives from a noncomposite-digit emirp. [Beedassy]

Submitted: 2018-02-18 21:40:32; Last Modified: 2018-02-18 21:43:20.