Simon Singh begins another investigation into the history and merits of some of the most special numbers in maths.
See also "Five Numbers"4, has dominated one of geometry's most perplexing problems - how many hues does it take to make a map such that no two regions with identical colours ever meet? The route to proving 4 as the magic number has had surprising payoffs.
is lucky for many, but for mathematicians it is core to a problem that's been on the mind of casino owners for decades; how many times should cards be shuffled to properly randomize the pack?
Prime numbers are the building blocks of maths, yet the search for the largest prime number has eluded many. If found, it could have surprising uses.
This edition looks at the problem of the most efficient way to utilise space when stacking oranges.
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23 billion, the magic figure reached in one of the UK's most successful auctions.