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