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Advent calendar 2016
8 December
All 2016 advent puzzles
~
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Today's number is the second smallest number that can be written as a×b×c×d×e×f×g×h×i, where a,b,...,i are all integers greater than 1.
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768
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Advent calendar 2024
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List of all puzzles
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coins
algebra
fractions
square numbers
complex numbers
clocks
multiples
sport
speed
floors
binary
books
square grids
shapes
differentiation
division
partitions
integration
digital products
probability
cubics
tournaments
shape
matrices
grids
probabilty
money
colouring
rugby
sum to infinity
ave
hexagons
indices
doubling
median
taxicab geometry
mean
dates
calculus
christmas
angles
factors
parabolas
crossnumbers
range
cube numbers
multiplication
digital clocks
chalkdust crossnumber
expansions
pentagons
advent
functions
prime numbers
pascal's triangle
planes
even numbers
ellipses
consecutive numbers
lines
axes
balancing
geometric means
determinants
menace
irreducible numbers
quadratics
addition
perimeter
remainders
combinatorics
triangle numbers
surds
scales
number
odd numbers
graphs
products
star numbers
spheres
sequences
elections
averages
area
percentages
factorials
perfect numbers
numbers
powers
people maths
means
folding tube maps
wordplay
squares
bases
geometry
albgebra
rectangles
geometric mean
polynomials
trigonometry
2d shapes
unit fractions
palindromes
regular shapes
dodecagons
dominos
triangles
time
gerrymandering
crosswords
medians
arrows
consecutive integers
proportion
quadrilaterals
chocolate
volume
symmetry
routes
tangents
cryptic crossnumbers
3d shapes
sums
coordinates
decahedra
the only crossnumber
chess
dice
sets
digits
square roots
tiling
games
circles
neighbours
integers
logic
numbers grids
polygons
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cryptic clues
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