153

This number is a composite.

Just showing those entries submitted by 'Capelle': (Click here to show all)

+ The largest known natural number n such that 2n does not contain the prime digit 3. It ends with 3, but also with the largest known prime number (53) with this property. [Capelle]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell