I am the only number that equals the sum of the factorials of my digits. What number am I?
Category: Math · Difficulty: expert
Hint: Try the sum of digit factorials
Answer
A three-digit number 145
Explanation
145 = 1! + 4! + 5! which equals 1 + 24 + 120.
This is a expert math riddle — one of the harder riddles here. The answer is A three-digit number 145.
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