727
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 
Participate:
We will be upgrading the server this Monday and Tuesday (May 12-13) and this site
will be down at times on those day (and possibly the next).   (caldwell@utm.edu)

The Boeing 727 became the first three-engine jet built for commercial service.

727 = 1! + (1 + 2)! + (1 + 2 + 3)!. [van Doorn]

The smallest odd prime that can be represented as the sum of a cube and its reverse (512 + 215). [Gupta]

The first prime whose square (528529) can be represented as the concatenation of two consecutive numbers. [De Geest]




Prime Curios! © 1999-2008 (all rights reserved)