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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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Most recent collections
Advent calendar 2023
Advent calendar 2022
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List of all puzzles
Tags
time
crossnumbers
speed
geometric means
cryptic crossnumbers
grids
fractions
menace
crosswords
lines
folding tube maps
tiling
regular shapes
colouring
star numbers
pascal's triangle
palindromes
planes
2d shapes
range
expansions
division
quadratics
multiples
perfect numbers
perimeter
taxicab geometry
gerrymandering
quadrilaterals
ave
median
trigonometry
number
sums
even numbers
games
chocolate
balancing
advent
wordplay
polynomials
square numbers
partitions
crossnumber
cube numbers
integration
binary
irreducible numbers
chalkdust crossnumber
digits
probabilty
dates
determinants
remainders
dodecagons
bases
consecutive integers
rectangles
coins
hexagons
squares
functions
algebra
decahedra
cryptic clues
sum to infinity
coordinates
scales
differentiation
percentages
spheres
mean
odd numbers
circles
elections
dominos
sequences
shape
logic
pentagons
tournaments
books
sport
volume
doubling
indices
factors
graphs
the only crossnumber
products
prime numbers
unit fractions
integers
consecutive numbers
people maths
clocks
complex numbers
money
parabolas
addition
shapes
probability
combinatorics
angles
sets
ellipses
christmas
numbers
rugby
surds
dice
matrices
polygons
factorials
axes
albgebra
digital products
multiplication
calculus
digital clocks
chess
proportion
routes
geometric mean
cubics
geometry
3d shapes
triangles
tangents
area
averages
arrows
symmetry
triangle numbers
cards
square roots
floors
means
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