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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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Most recent collections
Advent calendar 2024
Advent calendar 2023
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List of all puzzles
Tags
ave
neighbours
chess
3d shapes
hexagons
functions
sums
dates
tournaments
clocks
the only crossnumber
digital clocks
medians
crosswords
2d shapes
symmetry
planes
books
dominos
logic
rectangles
bases
proportion
sport
integration
triangles
trigonometry
cube numbers
rugby
shape
people maths
calculus
squares
probability
powers
volume
star numbers
irreducible numbers
averages
doubling
perimeter
routes
multiplication
shapes
tangents
regular shapes
advent
partitions
digital products
circles
folding tube maps
matrices
tiling
cryptic clues
palindromes
median
colouring
games
consecutive numbers
consecutive integers
coordinates
cards
probabilty
complex numbers
christmas
square roots
mean
factors
binary
elections
unit fractions
menace
sets
determinants
even numbers
scales
lines
expansions
decahedra
integers
cubics
fractions
arrows
floors
time
grids
quadrilaterals
percentages
balancing
taxicab geometry
indices
geometry
graphs
pascal's triangle
numbers
axes
multiples
gerrymandering
algebra
products
money
polynomials
spheres
polygons
division
sequences
range
dodecagons
remainders
crossnumbers
odd numbers
combinatorics
ellipses
wordplay
numbers grids
coins
quadratics
digits
perfect numbers
area
differentiation
triangle numbers
square numbers
geometric means
means
parabolas
number
dice
albgebra
geometric mean
prime numbers
chocolate
surds
angles
sum to infinity
speed
cryptic crossnumbers
pentagons
square grids
addition
chalkdust crossnumber
factorials
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