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A Further Five Numbers Series 1 Episodes Episode guide
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Back up to: A Further Five Numbers
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Episode 5
1,729 can be expressed as the sum of two perfect cubes in two different ways.
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Episode 4
Newton's Gravitational Constant G has enormous significance for the entire universe.
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Episode 3
Six is a rare perfect number, once revered by ancient civilisations.
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Episode 2
The idea of doubling that has established two as one of the most important tools in maths.
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Episode 1
One is the root of all counting and the most frequent first digit of any number.