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Roman X
dual 1010
Octal 12
Duodecimal A.
Hexadecimal A.
Morse code - - - - - - - - - 
Mathematical properties
sign positive
parity straight
Divider 1, 2, 5, 10

The ten (10) is the natural number between nine and eleven . She is straight .


Ten is the basis of the decimal system , which goes back to the number of ten human fingers . The Indo-European meaning ( ahd. Zehan ) should be interpreted with "two hands" , similar to the Latin decem . Ten is also a triangular number and a tetrahedral number as well as the sum of the first three prime numbers. The Roman numeral for ten is X (two V s, one on top of the other, each with the number five).

Ten is a Størmer number .


You have always counted with your fingers. That is probably why ten stood for the beginning and end of all numbers and appeared as a magical limit. It is the sum of the first four numbers (1 + 2 + 3 + 4) and early on became a sign of perfection and consummation. The Ten Commandments play an important role in Judaism and Christianity , and there is also talk of ten biblical plagues . Ten's Kabbalism the number of Sephiroth , the emanations in Kabbalistic Tree of Life : Nine spheres are to open up by the senses, the tenth remains invisible. Furthermore, the time between the Jewish New Year festival Rosh Hashanah and the day of Atonement ( Yom Kippur ) is called the ten reverential days . The ten thus has the meaning of order, absoluteness and totality. The Greek letter χ - cf. the Roman numerical value ten - stands as the central letter of the Christ monogram for Christ himself.


The decade is a compilation of ten things (mostly years) . A polygon with ten sides is a decagon . With the Indo-European Latin word decem (with the basic meaning "two hands") foreign words are formed such as December (originally: the 10th month), decime (an interval in music or a stanza form ), or that from the prefix Decimal fraction: decimeter , decitonne , deciliter or decimation .


In the Bible:

See also


  1. See: Hans Jürgen Roth: An image of the sky. Aachen Cathedral - liturgy, bible, art. Thouet, Aachen 2011, p. 23.
  2. ^ Friedrich Kluge , Alfred Götze : Etymological dictionary of the German language . 20th ed., Ed. by Walther Mitzka , De Gruyter, Berlin / New York 1967; Reprint (“21st unchanged edition”) ibid 1975, ISBN 3-11-005709-3 , p. 877.

Web links

Commons : Ten  - Collection of images, videos and audio files
Wiktionary: ten  - explanations of meanings, word origins, synonyms, translations
Wikiquote: Ten  Quotes