Problem 2492. Factorions: Numbers that equal the sum of the factorials of their digits

From Wikipedia: A factorion is a natural number that equals the sum of the factorials of its decimal digits

For example:

2!=2

1!+4!+5!=145

Write a function that returns true if a number is a factorion and false otherwise.

Assume all numbers are of base 10.

Solve

Solution Stats

67.21% Correct | 32.79% Incorrect
Last Solution submitted on Nov 04, 2025

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers78

Suggested Problems

More from this Author9

Problem Tags

factorial factorion

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!