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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 2024
Advent calendar 2023
Advent calendar 2022
Advent calendar 2021
List of all puzzles
Tags
percentages
polygons
chocolate
circles
calculus
cryptic clues
probabilty
matrices
pascal's triangle
averages
floors
doubling
dice
cubics
grids
indices
prime numbers
partitions
cards
chalkdust crossnumber
crosswords
coordinates
fractions
numbers grids
albgebra
quadrilaterals
square roots
geometric mean
range
irreducible numbers
differentiation
consecutive integers
people maths
complex numbers
integers
integration
remainders
lines
dodecagons
money
odd numbers
volume
trigonometry
shapes
algebra
division
consecutive numbers
logic
arrows
elections
square numbers
advent
coins
taxicab geometry
bases
star numbers
products
sport
folding tube maps
tiling
gerrymandering
axes
planes
spheres
polynomials
tangents
neighbours
sums
unit fractions
means
the only crossnumber
determinants
functions
multiplication
parabolas
ave
digital products
decahedra
even numbers
books
clocks
dates
crossnumbers
angles
time
sum to infinity
ellipses
addition
graphs
mean
menace
rectangles
rugby
balancing
shape
dominos
area
numbers
2d shapes
factorials
multiples
binary
symmetry
colouring
wordplay
square grids
chess
digital clocks
sets
perfect numbers
pentagons
cryptic crossnumbers
number
routes
regular shapes
hexagons
surds
median
medians
geometric means
digits
scales
expansions
palindromes
probability
christmas
powers
perimeter
games
factors
geometry
proportion
triangles
squares
cube numbers
combinatorics
sequences
quadratics
3d shapes
triangle numbers
tournaments
speed
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