# 11939

$t_title is "11939"

$t_adjust_path is "/~caldwell/curios/"

$t_class is "prime"

$short is "11939"

$nunber_id is "47"

$t_meta['description'] is "One of many pages of prime number
curiosities and trivia. This page discusses 11939
Come explore a new prime today!"

The only cyclic emirp with five digits.

11939 and 13159 are the first case of two emirps of forms p*q*r-s*t*u and p*q*r+s*t*u where p, q, r, s, t, u are primes formed from the distinct digits, 1 through 9, i.e., 11939=3*47*89-2*5*61, 13159=3*47*89+2*5*61. [Loungrides]

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