67
This number is a prime.
Single Curio View: (Seek other curios for this number)
The smallest polite prime that is a concatenation of two successive polite numbers, i.e., (6=1+2+3, 7=3+4). [Loungrides]
Submitted: 2018-02-17 07:13:27; Last Modified: 2018-02-17 15:32:11.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell