2221

This number is a prime.

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The smallest Honaker prime p = Pₙ such that inserting the Beast number (666) between n and p in either order yields primes: 3316662221 and 2221666331. [Ahmed]

Submitted: 2026-06-27 03:29:02;   Last Modified: 2026-06-27 17:50:44.
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