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