# 5

This number is a prime.

Single Curio View: (Seek other curios for this number)

The smallest odd prime Thabit number. Arab mathematician Thabit ibn Qurra discovered a rule for finding amicable pairs based on these numbers (of the form 3 * 2^{n}- 1) before his death in Baghdad in 901.

Submitted: 2003-10-31 15:12:44; Last Modified: 2009-03-28 21:33:01.

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