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