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Advent calendar 2017
1 December
All 2017 advent puzzles
~
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Today's number is the smallest three digit number such that the sum of its digits is equal to the product of its digits.
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123
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numbers
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digits
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binary
sum to infinity
elections
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determinants
indices
trigonometry
algebra
hexagons
grids
factorials
spheres
multiples
money
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polynomials
fractions
sums
planes
mean
digital clocks
dodecagons
pascal's triangle
wordplay
the only crossnumber
tangents
differentiation
area
regular shapes
star numbers
speed
surds
dice
symmetry
ave
means
parabolas
logic
advent
circles
gerrymandering
expansions
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tournaments
balancing
unit fractions
remainders
books
lines
chocolate
colouring
crossnumber
quadrilaterals
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geometric means
shapes
odd numbers
functions
digital products
factors
integration
arrows
quadratics
shape
calculus
doubling
sets
menace
pentagons
square numbers
sport
perfect numbers
consecutive numbers
even numbers
combinatorics
folding tube maps
prime numbers
addition
chalkdust crossnumber
volume
rectangles
2d shapes
chess
albgebra
axes
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cryptic crossnumbers
geometric mean
coordinates
sequences
proportion
ellipses
partitions
perimeter
floors
triangles
games
rugby
probability
cubics
tiling
palindromes
squares
angles
matrices
median
cube numbers
integers
multiplication
clocks
cryptic clues
complex numbers
division
geometry
taxicab geometry
decahedra
irreducible numbers
people maths
bases
percentages
routes
numbers
number
crossnumbers
3d shapes
scales
christmas
time
probabilty
coins
triangle numbers
digits
dominos
range
square roots
dates
crosswords
consecutive integers
Archive
Show me a random puzzle
▼ show ▼
▲ hide ▲
Most recent collections
Advent calendar 2023
Advent calendar 2022
Advent calendar 2021
Advent calendar 2020
List of all puzzles
Tags
christmas
multiples
dodecagons
2d shapes
partitions
sum to infinity
parabolas
remainders
odd numbers
products
factors
cube numbers
quadratics
integers
multiplication
number
speed
determinants
gerrymandering
factorials
scales
range
cryptic crossnumbers
chocolate
triangles
division
sequences
geometric mean
binary
mean
logic
albgebra
sets
consecutive numbers
time
tournaments
arrows
graphs
addition
rectangles
people maths
digital clocks
tiling
perfect numbers
regular shapes
indices
palindromes
pentagons
spheres
geometric means
chess
doubling
geometry
expansions
advent
probability
squares
polynomials
angles
planes
matrices
chalkdust crossnumber
perimeter
probabilty
dates
shapes
money
clocks
rugby
grids
percentages
the only crossnumber
crossnumber
tangents
cryptic clues
3d shapes
symmetry
sums
taxicab geometry
averages
dominos
games
quadrilaterals
pascal's triangle
square roots
axes
books
calculus
bases
coordinates
functions
routes
elections
triangle numbers
combinatorics
coins
proportion
differentiation
balancing
colouring
cubics
ave
irreducible numbers
median
prime numbers
means
numbers
crosswords
crossnumbers
hexagons
lines
area
consecutive integers
star numbers
dice
unit fractions
complex numbers
volume
decahedra
algebra
surds
cards
trigonometry
integration
folding tube maps
circles
floors
menace
square numbers
fractions
polygons
sport
digital products
ellipses
even numbers
digits
shape
wordplay
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