Definitions for quinary
This page provides all possible meanings and translations of the word quinary
Of fifth rank or order.
Consisting of five things; arranged in fives
To the base of five; represented by the numerals 0, 1, 2, 3 and 4.
Origin: From the quinarius, from quini + -arius (whence the suffix -ary); compare the quinaire, the quinario, and the quinário.
consisting of five; arranged by fives
Origin: [L. quinarius, from quini five each, akin to quinque five: cf. F. quinaire. See Five.]
Quinary is a numeral system with five as the base. A possible origination of a quinary system is that there are five fingers on either hand. The base five is stated from 0–4. In the quinary place system, five numerals, from 0 to 4, are used to represent any real number. According to this method, five is written as 10, twenty-five is written as 100 and sixty is written as 220. As five is a prime number, only the reciprocals of the powers of five terminate, so its location between two composite numbers does not help make its radix economy better. Today, the main usage of base 5 is as a biquinary system, which is decimal using five as a sub-base. Another example of a sub-base system, is sexagesimal, base 60, which used 10 as a sub-base. Each quinary digit has log25 bits of information.
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