Factorials are basically the number multiplied by every number below it all the way down to 1.
10! = 10*9*8*7*6*5*4*3*2*1
quote:
Originally posted by M73A
6=6x5x4x3x2x1
Also equals 6!.
So an equation for your problem would be x! with x being the numbers of letters in the word.