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