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