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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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colouring
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ave
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odd numbers
addition
quadratics
christmas
dodecagons
digital products
decahedra
folding tube maps
coordinates
geometric means
geometric mean
spheres
logic
cards
surds
sums
proportion
mean
scales
area
floors
planes
clocks
parabolas
algebra
range
consecutive integers
multiples
grids
perimeter
functions
averages
cubics
expansions
factors
angles
integration
tournaments
prime numbers
tangents
triangle numbers
volume
crossnumbers
polynomials
factorials
squares
median
even numbers
people maths
money
shapes
sport
rugby
speed
albgebra
rectangles
ellipses
percentages
pascal's triangle
books
sum to infinity
square roots
tiling
determinants
games
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