Golden number

sv:Gyllental Golden number can refer to:

Golden ratio, an irrational number.
The computus for the date of Easter uses a cycle (the Metonic cycle) of 19 years: the sequence number from 1 to 19 assigned to each year is called the Golden Number. These Golden numbers are unrelated to the Golden Ratio.
Memorable mobile phone numbers are commonly termed 'gold numbers'. Gold numbers, platinum numbers, diamond numbers - these are all terms used to describe memorable mobile numbers for which there is now a very active market. The most popular forms of Gold Number are: Couplets, 07XXX 00 66 22; Trebles, 07XXX 222 333; Single digit: 07XXX 888888. Examples of memorable mobile numbers include those that support a clear sequence e.g. 07XXX 123456. Others might be made up of a single number e.g. 07XXX 888888