13
This number is a prime.
Just showing those entries submitted by 'Luhn': (Click here to show all)
 |
| Photo credit: Patrick Kik |
1313 - 13 + 1 is prime. [Luhn]
A Turing Machine with four conditions can write a maximum of 13 characters. [Luhn]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell