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Advent calendar 2019
24 December
All 2019 advent puzzles
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There are six 3-digit numbers with the property that the sum of their digits is equal to the product of their digits. Today's number is the largest of these numbers.
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The digits of the number must be 1, 2 and 3, so the largest number is
321
.
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chocolate
doubling
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colouring
consecutive integers
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cryptic crossnumbers
folding tube maps
menace
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consecutive numbers
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number
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coins
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ellipses
shape
digits
differentiation
lists
pentagons
triangles
combinatorics
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integers
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floors
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christmas
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