736353433323133

This number is a prime.

                                                            73635 3433323133

+ The reverse concatenation of the sequence of first n numbers ending with 3, (case n=8), i.e., 73 through 3, is the smallest such prime. [Loungrides]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell