This number is a composite.
Single Curio View: (Seek other curios for this number)68 is the smallest composite number that becomes prime by turning it upside down. [Honaker]
Submitted: 1999-09-02 18:40:00; Last Modified: 2008-01-30 11:28:00.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell