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