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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 2025
Advent calendar 2024
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Advent calendar 2022
List of all puzzles
Tags
time
axes
lines
fractions
grids
chocolate
neighbours
planes
speed
factors
dates
spheres
coins
xor
quadratics
differentiation
elections
angles
crosswords
digits
square grids
sets
matrices
dodecagons
multiples
cryptic clues
ellipses
symmetry
surds
indices
addition
consecutive integers
probability
division
median
powers
combinatorics
pascal's triangle
geometric means
sequences
integers
geometry
remainders
the only crossnumber
ave
logic
folding tube maps
hexagons
polygons
unit fractions
dominos
coordinates
lists
albgebra
proportion
binary
multiplication
medians
star numbers
trigonometry
christmas
floors
bases
digital products
3d shapes
volume
balancing
cards
numbers
advent
rugby
number
digital clocks
money
sport
functions
gerrymandering
quadrilaterals
averages
shape
triangles
scales
multiplaction squares
arrows
parabolas
wordplay
perfect numbers
cubics
graphs
partitions
even numbers
geometric mean
sums
range
colouring
determinants
products
tournaments
rectangles
palindromes
odd numbers
prime numbers
decahedra
algebra
people maths
means
games
prime factors
clocks
tiling
books
area
square roots
calculus
probabilty
doubling
menace
regular shapes
taxicab geometry
pentagons
crossnumbers
cryptic crossnumbers
polynomials
integration
chess
irreducible numbers
dice
routes
percentages
squares
sum to infinity
cube numbers
tangents
consecutive numbers
circles
triangle numbers
expansions
shapes
mean
perimeter
complex numbers
factorials
square numbers
2d shapes
chalkdust crossnumber
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