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