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