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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
Advent calendar 2021
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List of all puzzles
Tags
palindromes
tournaments
chocolate
chess
triangles
people maths
dodecagons
prime numbers
rugby
3d shapes
geometry
number
pentagons
consecutive integers
crossnumber
menace
colouring
surds
partitions
geometric mean
digital clocks
books
polynomials
cryptic clues
proportion
sets
floors
balancing
cube numbers
averages
probabilty
sums
shape
chalkdust crossnumber
addition
the only crossnumber
digits
logic
tiling
grids
expansions
even numbers
crossnumbers
range
polygons
irreducible numbers
remainders
division
scales
pascal's triangle
coordinates
sport
sequences
integration
numbers
ave
circles
cards
tangents
triangle numbers
combinatorics
star numbers
dates
perimeter
multiples
regular shapes
gerrymandering
sum to infinity
wordplay
money
christmas
axes
crosswords
quadrilaterals
binary
matrices
advent
coins
games
taxicab geometry
folding tube maps
elections
probability
multiplication
calculus
dice
parabolas
ellipses
percentages
means
angles
bases
clocks
squares
integers
routes
symmetry
algebra
functions
geometric means
albgebra
area
fractions
hexagons
graphs
factors
products
indices
spheres
square numbers
cryptic crossnumbers
arrows
time
planes
rectangles
determinants
digital products
dominos
consecutive numbers
cubics
square roots
quadratics
differentiation
trigonometry
odd numbers
lines
factorials
perfect numbers
2d shapes
shapes
speed
doubling
complex numbers
unit fractions
volume
decahedra
median
mean
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