This number is a composite.

Single Curio View:   (Seek other curios for this number)
The smallest integer that forms a pair of twin primes by concatenation with the previous and the next number (4241, 4243). [Silva]

Submitted: 2009-07-10 19:58:07;   Last Modified: 2009-07-10 22:21:48.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell