7

This number is a prime.

Single Curio View:   (Seek other curios for this number)
It is possible to construct an angle of π/7 using 7 matchsticks. [Beedassy]

Submitted: 2008-11-21 06:17:45;   Last Modified: 2008-11-22 14:19:19.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell