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