268

+ 268 inches of 1/8 inch copper wire weighs 1 pound. Also, 268*8-1 is prime. [Opao]

+ The product of 268 and the sum of its digits plus one is prime. I.e., 268*(2+6+8) + 1 is prime. [Opao]

To link to this page use /curios/page.php?number_id=2377
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell