5347

This number is a prime.

+ The smallest of three primes concatenated in descending order from two consecutive double-digit primes. The other two are 5953 and 6761. [Loungrides]

+ The only prime formed from the concatenation of two adjacent primes summed to a hundred. [Loungrides]

Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell