Digital Factorial!
Number Theory
Level
3
Find a 3-digit integer which is can be expressed as the sum of factorial of its digits.
\[ \overline{ABC} = A! + B! + C! \]
\(\)
Notation: \(!\) is the factorial notation. For example, \(8! = 1\times2\times3\times\cdots\times8 \).
by
Adarsh Shetty