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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 2023
Advent calendar 2022
Advent calendar 2021
Advent calendar 2020
List of all puzzles
Tags
colouring
3d shapes
integers
determinants
square numbers
pascal's triangle
range
menace
chess
expansions
polygons
balancing
remainders
christmas
sums
digital clocks
complex numbers
regular shapes
number
crossnumber
irreducible numbers
bases
ave
lines
dice
perimeter
odd numbers
planes
integration
books
rectangles
area
cryptic crossnumbers
tangents
pentagons
dominos
partitions
geometric mean
folding tube maps
rugby
quadratics
wordplay
speed
crossnumbers
multiplication
routes
people maths
sum to infinity
chocolate
axes
prime numbers
calculus
cryptic clues
2d shapes
probabilty
digits
quadrilaterals
geometric means
functions
surds
polynomials
factors
logic
ellipses
coordinates
arrows
sequences
shape
hexagons
probability
floors
unit fractions
proportion
numbers
grids
dates
differentiation
algebra
circles
consecutive numbers
triangles
games
triangle numbers
sport
gerrymandering
clocks
matrices
even numbers
division
indices
combinatorics
sets
mean
addition
square roots
volume
consecutive integers
median
scales
tiling
squares
advent
digital products
taxicab geometry
percentages
the only crossnumber
albgebra
averages
doubling
star numbers
products
cards
parabolas
angles
dodecagons
shapes
factorials
symmetry
means
spheres
trigonometry
geometry
multiples
binary
graphs
tournaments
crosswords
palindromes
fractions
perfect numbers
cube numbers
chalkdust crossnumber
cubics
money
coins
decahedra
time
elections
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