|
|
|
Curios:
Curios Search:
Participate:
|
times on that day (and possibly the next). (caldwell@utm.edu) Five-digit prime numbers in which the first three digits are in ascending order and the last three digits are in descending order are called mountain primes. The sequence begins 12421, 12541, 12641, 12653, .... [Honaker]
Prime Curios! © 1999-2008 (all rights
reserved)
|