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