What positive integer yields the exact same result whether you multiply all its digits together or add all its digits together?
123
For 123: 1 + 2 + 3 = 6, and 1 * 2 * 3 = 6. Both operations yield 6.
About this riddle
Math riddles hide a calculation inside a short story. Pull out the numbers, work out what is being asked, and watch for a trick such as a unit change.
Difficulty: Hard. More like this: Math riddles with answers or try Target 24 for a different kind of puzzle.
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