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 Twelve : Dozen 

Twelve (12) is the natural number following eleven and preceding thirteen.

Twelve is a composite number, its proper divisors being 1, 2, 3, 4 and 6. Twelve is also a highly composite number, the next one being 24[?].

A twelve-sided polygon is a dodecagon. A twelve-sided polyhedron is a dodecahedron.

The number twelve is often used as a sales unit in trade, and is often referred to as a dozen. Twelve dozen are known as a gross. Note that there are thirteen loaves in a baker's dozen.

There are twelve months in a year.

The duodecimal system, which is the use of 12 as a division factor for many historical weights and measures, including hours, probably originates from Mesopotamia. See also: base 12.

In the United States, juries deciding legal cases typically have twelve members.

It often appears as the Fortunate Isle of Ireland called "Lacus Fortunatus," which is filled with Fortunate map of 1471 both these and the supposed St. Brandan's group appear in were discovered, they were supposed to be identical with St. Brandan's, discovery of the Azores various expeditions were sent to search for St. bibliography will be found in Winsor's "Narrative and Critical History," containing St. Brandan's will be found in Winsor (I. pp. 54, 58). The Fortunatae," and the other that of Ortelius (1587), containing "S. XIII. HY-BRASAIL "The people of Aran, with characteristic enthusiasm, fancy, that at watery horizon. This has been the universal tradition of the.

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