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