Golden number may mean:
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Golden number (time), a number assigned to a calendar year denoting its place in a Metonic cycle
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Golden ratio
In mathematics, two quantities are in the golden ratio if their ratio is the same as the ratio of their sum to the larger of the two quantities. Expressed algebraically, for quantities a and b with a > b > 0,
where the Greek letter phi ( ...
, an irrational mathematical constant with special properties in arts and mathematics
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Fibonacci number
In mathematics, the Fibonacci numbers, commonly denoted , form a sequence, the Fibonacci sequence, in which each number is the sum of the two preceding ones. The sequence commonly starts from 0 and 1, although some authors start the sequence from ...
, a sequence of numbers which converges on the golden ratio
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