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