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 of their digits.
Note: As \( 1!=1 \) and \( 2!=2 \) are not sums they are not included.
\( 145 \) 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 of their digits.
Note: As \( 1!=1 \) and \( 2!=2 \) are not sums they are not included.