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