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