The other one I remember was 710.77345.
There used to be a story attached that would run you through calculations that would result in that answer - buggered if I can remember the story!
The story leading to Mark's answer is called "Adolescence" - or maybe "Testosterone"!
The modern kids miss out on that stuff, iPads don't display the old digital figures on their calculator screen!
Mmm... 5318008!