Quaternary/kwəˈtɜːrnəri/ is a numeral system with four as its base. It uses the digits 0, 1, 2, and 3 to represent any real number. Conversion from binary is straightforward.
Four is the largest number within the subitizing range and one of two numbers that is both a square and a highly composite number (the other being thirty-six), making quaternary a convenient choice for a base at this scale. Despite being twice as large, its radix economy is equal to that of binary. However, it fares no better in the localization of prime numbers (the smallest better base being the primorial base six, senary).
Quaternary shares with all fixed-radix numeral systems many properties, such as the ability to represent any real number with a canonical representation (almost unique) and the characteristics of the representations of rational numbers and irrational numbers. See decimal and binary for a discussion of these properties.
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Quaternary /kwəˈtɜːrnəri/ is a numeralsystem with four as its base. It uses the digits 0, 1, 2, and 3 to represent any real number. Conversion from binary...
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A ternary /ˈtɜːrnəri/ numeralsystem (also called base 3 or trinary) has three as its base. Analogous to a bit, a ternary digit is a trit (trinary digit)...
look-and-say function, which can be represented faithfully with a quaternarynumeralsystem, two consecutive twos (as in "22" for "two twos"), or equivalently...
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cardinal numerals, which represent quantity (e.g., "three") and other types of numerals. In traditional grammar, all numerals, including ordinal numerals, are...
simply hex) numeralsystem is a positional numeralsystem that represents numbers using a radix (base) of sixteen. Unlike the decimal system representing...
Numeral or number prefixes are prefixes derived from numerals or occasionally other numbers. In English and many other languages, they are used to coin...
non-standard positional numeralsystem. Like other place-value systems, each position holds multiples of the appropriate power of the system's base; but that base...
Ternary numeralsystem, a base-3 counting system Balanced ternary, a positional numeralsystem, useful for comparison logic Ternary logic, a logic system with...
2 as digits. Quaternary: The base-four numeralsystem with 0, 1, 2, and 3 as digits. Hexadecimal: Base 16, widely used by computer system designers and...
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and Roman numerals; The Urban/Corbin Designation Method, a hierarchical numeric scheme similar to the Dewey Decimal Classification system; The Sequential...
"quaternary hypothesis" adduce the numeral 9, which might be built on the stem new-, meaning "new" (indicating the beginning of a "new set of numerals"...
4 (four) is a number, numeral and digit. It is the natural number following 3 and preceding 5. It is a square number, the smallest semiprime and composite...
A Friedman number is an integer, which represented in a given numeralsystem, is the result of a non-trivial expression using all its own digits in combination...
Beringians moved when sea levels were significantly lowered due to the Quaternary glaciation, following herds of now-extinct Pleistocene megafauna along...
rings share only one single atom, the spiro atom, which is usually a quaternary carbon. An example of a spirocyclic compound is the photochromic switch...
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