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