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The duodecimal system, also known as base twelve or dozenal, is a positional numeral system using twelve as its base.In duodecimal, the number twelve is denoted "10", meaning 1 twelve and 0 units; in the decimal system, this number is instead written as "12" meaning 1 ten and 2 units, and the string "10" means ten.
Duodecimal: Base 12, a numeral system that is convenient because of the many factors of 12. Sexagesimal: Base 60, first used by the ancient Sumerians in the 3rd millennium BC, was passed down to the ancient Babylonians. See positional notation for information on other bases.
Also sometimes referred to as duodecimal hundred, although that could literally also mean 144, which is twelve squared; 144: a gross (a dozen dozens, second power of the duodecimal base), used mostly in commerce; 500: a ream, usually of paper. a monkey is a bet of £500 in British betting slang. 1000:
A small gross [3] or a great hundred [4] refers to a group of 120 items (ten dozen, 10×12). The term can be abbreviated gr. or gro., and dates from the early 15th century. It derives from the Old French grosse douzaine, meaning "large dozen”. [5] The continued use of these terms in measurement and counting represents the duodecimal number ...
Duodecimal system may refer to: duodecimal, a base-12 number system; Dewey Decimal Classification, ... additional terms may apply.
The Romans used a duodecimal rather than a decimal system for fractions, as the divisibility of twelve (12 = 2 2 × 3) makes it easier to handle the common fractions of 1 ⁄ 3 and 1 ⁄ 4 than does a system based on ten (10 = 2 × 5).
12 is a composite number, the smallest abundant number, a semiperfect number, [11] a highly composite number, [12] a refactorable number, [13] and a Pell number. [14] It is the smallest of two known sublime numbers , numbers that have a perfect number of divisors whose sum is also perfect.
Duodecimal: 1A2 12: Hexadecimal: 10A 16: 266 (two hundred ... Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.