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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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chocolate
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Most recent collections
Advent calendar 2025
Advent calendar 2024
Advent calendar 2023
Advent calendar 2022
List of all puzzles
Tags
xor
tiling
crosswords
even numbers
trigonometry
logic
pentagons
planes
perimeter
sequences
circles
powers
polygons
dominos
perfect numbers
algebra
range
chalkdust crossnumber
regular shapes
digital products
hexagons
factors
balancing
the only crossnumber
surds
integration
sets
squares
quadrilaterals
probabilty
cryptic clues
taxicab geometry
addition
multiplication
crossnumbers
partitions
determinants
prime factors
floors
digital clocks
tournaments
prime numbers
products
folding tube maps
odd numbers
square grids
spheres
geometry
averages
routes
dates
symmetry
ave
shape
books
triangle numbers
sums
speed
palindromes
neighbours
irreducible numbers
games
mean
calculus
area
advent
people maths
albgebra
combinatorics
wordplay
medians
christmas
division
multiples
matrices
dice
percentages
geometric means
elections
fractions
remainders
arrows
sum to infinity
bases
colouring
proportion
money
rugby
gerrymandering
rectangles
sport
ellipses
cards
star numbers
numbers
geometric mean
triangles
coins
cryptic crossnumbers
binary
menace
coordinates
pascal's triangle
median
chess
square roots
consecutive numbers
means
lists
cube numbers
2d shapes
angles
dodecagons
3d shapes
shapes
square numbers
cubics
grids
polynomials
scales
decahedra
quadratics
differentiation
factorials
graphs
indices
unit fractions
lines
time
consecutive integers
digits
chocolate
doubling
volume
number
expansions
complex numbers
tangents
probability
functions
integers
axes
clocks
multiplaction squares
parabolas
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