FactorialsSum-Tdd-Kata

Task: Digit factorials 145 is a curious number, as 1! + 4! + 5! = 1 + 24 + 120 = 145. Find the sum of all numbers which are equal to the sum of the factorial git of their digits. Note: as 1! = 1 and 2! = 2 are not sums they are not included.