This number is a prime.
The largest of four emirps each formed from two double-digit primes. The others are 1723, 1753, and 1789. [Loungrides]
The Gregorian year will not fall one day behind until the year 3719. [Jackson]
(There are 4 curios for this number that have not yet been approved by an editor.)
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell