Definition:Emirp

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Definition

An emirp is a prime number whose reversal is a different prime number.


Sequence

The sequence of emirps begins:

$13, 17, 31, 37, 71, 73, 79, 97, 107, 113, \ldots$

This sequence is A006567 in the On-Line Encyclopedia of Integer Sequences (N. J. A. Sloane (Ed.), 2008).


Sources