Find, analytically, all three digit numbers that equal the sum of the factorials of their digits. That is:
ABC = A! + B! + C!
(In reply to re: Answer --------------- are you sure?
You're right, PCB.
I made the silly mistake of disregarding the quantity in the lhs of the given equation, and hence the erroneous advent of the perms.
I confirm having incorporated the requisite amendments in accordance with the foregoing in the original post.
Edited on January 2, 2009, 4:10 pm