This number is a composite.
Single Curio View: (Seek other curios for this number)(24, 25) is the only case of two successive double-digit numbers n, n+1 such that the product of each of them with its reversal plus 1 is emirp, i.e., 24*42+1=1009, 25*52+1=1301. [Loungrides]
Submitted: 2015-01-07 03:17:44; Last Modified: 2018-03-26 07:27:38.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell