Quaternary

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Quaternary coding of the amino acids

As quaternary ( latin : quaternī , "the four") is referred to objects or structures consisting of four consist parts and composed of these elements or may be broken down into them. Linguistically related are unary  (1), binary  (2), ternary  (3), quaternary (4), quinary  (5), senary  (6) and denary  (10).

An example of the storage of information in a quaternary system is the coding of proteins by the four nucleotides adenine (A), cytosine (C), guanine (G) and uracil (U) in ribonucleic acid (RNA). In coding, a word or codon comprises three nucleotides and can thus assume from AAAup to UUU64 (or 4 3 ) states. The coding in the DNA is structured similarly, with thymine taking the place of uracil.

A quaternary number system was used, for example, by the Chumash people .

The first numbers in the quaternary system
Quaternary 0 1 2 3 10 11 12 13 20th 21st 22nd 23 30th 31 32 33 100
Binary 0 1 10 11 100 101 110 111 1000 1001 1010 1011 1100 1101 1110 1111 10,000
Decimal 0 1 2 3 4th 5 6th 7th 8th 9 10 11 12 13 14th 15th 16

Quaternions are hypercomplex numbers with a 4-component number structure which u. a. are used in the calculations of four-dimensional space - time in the special theory of relativity .

See also

Individual evidence

  1. Madison S. Beeler: Chumashan Numerals , in Native American Mathematics , ed. by Michael P. Closs (1986), ISBN 0-292-75531-7 .