biquinary

adjective
bi·​quinary | \(ˈ)bī+\

Definition of biquinary 

: of, based on, being, or relating to a mixed-base system of numbers in which each decimal digit n is represented as a pair of digits xy where n = 5x + y and x is written in base 2 as 0 or 1 and y is written in base 5 as 0, 1, 2, 3, or 4 decimal 9 is represented by biquinary 14

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First Known Use of biquinary

1871, in the meaning defined above

History and Etymology for biquinary

bi- entry 1 + quinary

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The first known use of biquinary was in 1871

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