This number is a prime.

Single Curio View:   (Seek other curios for this number)
163 is the least number k such that decimal representation of 1/k has period of length 81. It is one of a few exceptions to the rule that k=3^(n+2) is the least number with 1/k having period 3^n. [Noe]

Submitted: 2010-04-14 22:52:35;   Last Modified: 2010-04-20 01:25:17.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell