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Advent calendar 2016
10 December
All 2016 advent puzzles
~
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The smallest number that is equal to the sum of its digits multiplied by ten more than the sum of its digits.
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171
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Most recent collections
Advent calendar 2025
Advent calendar 2024
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List of all puzzles
Tags
functions
wordplay
polygons
grids
irreducible numbers
chalkdust crossnumber
sums
division
complex numbers
ave
regular shapes
dominos
cubics
scales
money
median
proportion
multiples
shape
fractions
gerrymandering
palindromes
perfect numbers
factors
logic
products
sport
prime factors
even numbers
cube numbers
determinants
tangents
triangles
decahedra
digital products
mean
lines
cryptic crossnumbers
squares
clocks
advent
consecutive integers
differentiation
area
multiplaction squares
lists
graphs
remainders
probabilty
angles
bases
symmetry
shapes
square roots
triangle numbers
geometry
folding tube maps
medians
tournaments
floors
combinatorics
sequences
coordinates
balancing
arrows
powers
integration
multiplication
neighbours
books
planes
parabolas
consecutive numbers
calculus
spheres
crosswords
hexagons
dates
averages
numbers
rugby
expansions
addition
elections
square grids
chocolate
christmas
dice
star numbers
sum to infinity
geometric means
number
range
taxicab geometry
pentagons
tiling
quadratics
surds
time
doubling
geometric mean
perimeter
matrices
probability
ellipses
cards
digital clocks
cryptic clues
indices
means
prime numbers
2d shapes
xor
circles
digits
quadrilaterals
people maths
colouring
pascal's triangle
binary
albgebra
coins
speed
3d shapes
crossnumbers
polynomials
trigonometry
dodecagons
percentages
chess
unit fractions
routes
odd numbers
games
algebra
integers
rectangles
square numbers
menace
partitions
volume
factorials
axes
sets
the only crossnumber
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