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Advent calendar 2016
22 December
All 2016 advent puzzles
~
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Today's number is a palindrome. Today's number is also the number of palindromes between 111 and 11111 (including 111 and 11111).
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191
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Archive
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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
crosswords
tiling
determinants
square roots
polynomials
sequences
tangents
axes
rectangles
time
consecutive numbers
perfect numbers
albgebra
chess
odd numbers
ave
balancing
doubling
even numbers
prime numbers
speed
squares
floors
star numbers
area
planes
digital clocks
binary
christmas
means
money
digits
symmetry
integers
partitions
probabilty
geometric means
percentages
folding tube maps
graphs
clocks
dice
number
crossnumbers
parabolas
matrices
advent
expansions
products
fractions
taxicab geometry
colouring
sums
cryptic crossnumbers
mean
quadratics
crossnumber
cards
median
addition
3d shapes
functions
2d shapes
division
trigonometry
numbers
spheres
arrows
pascal's triangle
geometric mean
volume
sport
proportion
complex numbers
shape
dates
surds
wordplay
regular shapes
grids
multiplication
palindromes
books
cryptic clues
circles
triangles
tournaments
square numbers
shapes
remainders
routes
algebra
dominos
triangle numbers
sets
range
combinatorics
geometry
hexagons
differentiation
probability
decahedra
chalkdust crossnumber
elections
dodecagons
indices
polygons
scales
logic
factors
ellipses
angles
games
multiples
irreducible numbers
chocolate
menace
integration
cube numbers
gerrymandering
perimeter
consecutive integers
cubics
digital products
people maths
unit fractions
coins
bases
factorials
the only crossnumber
pentagons
coordinates
averages
rugby
lines
sum to infinity
calculus
quadrilaterals
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