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