1181

This number is a prime.

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The smallest invertible dihedral prime, the smallest dihedral emirp, the smallest reflectable invertible dihedral prime, the smallest reflectable dihedral emirp, the smallest invertible dihedral emirp and also the smallest reflectable invertible dihedral emirp. Note that a dihedral prime is an emirp iff it is invertible. [Capelle]

Submitted: 2008-02-02 12:49:36; Last Modified: 2008-02-04 14:57:04.