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Τρίτη, 8 Μαρτίου 2011

11 (number)

11 (eleven) (pronounced /ɨˈlɛvɨn/ ( listen) or /iˈlɛvɛn/) is the natural number following 10 and preceding 12. It is the first number which cannot be represented by a human counting their eight fingers and two thumbs additively. Eleven is the smallest positive integer requiring three syllables in English, and it is also the largest prime number with a single-morpheme name in this language (although etymologically the word eleven originated from a Germanic compound *ainlif meaning "one left"


-The atomic number of sodium.
-The number of spacetime dimensions in M-theory.
-The approximate periodicity of a sunspot cycle is 11 years.
-The Saros number of the solar eclipse series which began on -2511 December 26 and ended on -1158 March 18. The duration of Saros series 11 was 1352.2 years, and it contained 76 solar eclipses.
-The number of incarnations of The Doctor in BBC sci-fi series Doctor Who is eleven.
-The number eleven is important in numerology, as it is the first of the Master Numbers.
-In Astrology, Aquarius is the 11th astrological sign of the Zodiac.
-In Basque, hamaika ("eleven") has the double meaning of "infinite", probably from amaigabe, "endless", as in Hamaika aldiz etortzeko esan dizut! ("I told you infinite/eleven times to come!"