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