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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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numbers
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digits
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Archive
Show me a random puzzle
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▲ hide ▲
Most recent collections
Advent calendar 2024
Advent calendar 2023
Advent calendar 2022
Advent calendar 2021
List of all puzzles
Tags
angles
complex numbers
quadrilaterals
binary
neighbours
folding tube maps
sum to infinity
cards
trigonometry
rugby
geometric mean
lines
coins
dates
digital products
dodecagons
consecutive integers
sums
numbers
pascal's triangle
chess
books
square grids
logic
sport
partitions
speed
menace
perfect numbers
digital clocks
algebra
ellipses
people maths
differentiation
indices
squares
geometry
elections
axes
square roots
probabilty
cryptic clues
matrices
odd numbers
floors
shapes
remainders
gerrymandering
graphs
tournaments
range
square numbers
probability
division
volume
sequences
integration
even numbers
fractions
tiling
balancing
shape
integers
products
circles
crosswords
the only crossnumber
wordplay
money
chalkdust crossnumber
determinants
digits
surds
rectangles
factorials
combinatorics
dice
powers
ave
irreducible numbers
consecutive numbers
spheres
addition
polygons
routes
quadratics
crossnumbers
multiplication
advent
expansions
arrows
games
christmas
unit fractions
colouring
clocks
prime numbers
decahedra
triangles
albgebra
mean
area
star numbers
parabolas
triangle numbers
planes
cubics
means
averages
bases
scales
polynomials
perimeter
chocolate
regular shapes
pentagons
cryptic crossnumbers
tangents
median
functions
hexagons
symmetry
sets
2d shapes
numbers grids
geometric means
palindromes
percentages
multiples
factors
coordinates
dominos
medians
grids
doubling
number
time
3d shapes
calculus
proportion
taxicab geometry
cube numbers
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