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Advent calendar 2021
17 December
All 2021 advent puzzles
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The digital product of a number is computed by multiplying together all of its digits. For example, the digital product of 6273 is 252.
Today's number is the smallest number whose digital product is 252.
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252 can be written as the product of one-digit numbers in the following ways:
2×2×3×3×7
2×2×9×7
2×3×6×7
3×3×4×7
6×6×7
4×9×7
Therfore, the smallest number whose digital product is 252 is
479
.
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expansions
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multiples
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surds
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ave
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colouring
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angles
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number
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factors
arrows
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taxicab geometry
sets
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scales
multiplication
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cubics
the only crossnumber
routes
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square roots
spheres
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tiling
logic
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cube numbers
probability
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albgebra
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floors
time
factorials
consecutive integers
matrices
geometry
proportion
complex numbers
odd numbers
sport
menace
symmetry
algebra
pentagons
planes
irreducible numbers
partitions
bases
shapes
digital clocks
sequences
remainders
quadratics
polygons
perfect numbers
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unit fractions
cryptic crossnumbers
range
chalkdust crossnumber
integers
division
cryptic clues
chocolate
volume
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area
prime numbers
balancing
geometric means
digits
numbers
probabilty
elections
dice
shape
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folding tube maps
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