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