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二の冪 (にのべき) Japanese meaning | Kotomora

二にの冪べき

Meanings

1

noun

power of two

Mathematical term for a number of the form 2^n. Used in contexts like computer science, binary systems, and number theory.

See also: 冪

コンピューターのメモリ容よう量りょうはよく二にの冪べきで表あらわされる。
Computer memory capacity is often expressed as a power of two.
256は二にの冪べきである。
256 is a power of two.

Written forms

二にの冪べき
Standard kanji spelling using the mathematical term 冪 (べき).
２にの冪べき
Variant using the numeral ２; common in technical contexts.
２にのべき
Mixed numeral-kana spelling; sometimes seen in informal mathematical writing.

Kanji

二two, two radical (no. 7)
冪power, exponent

Similar words

冪べき
冪 alone means 'power' or 'exponent' in mathematics; 二の冪 specifically means a power of two.
累るい乗じょう
累乗 is a more general term for exponentiation or raising to a power, while 二の冪 is limited to powers of two.

Etymology

Compound of 二 (に, 'two') + の (possessive particle) + 冪 (べき, 'power' or 'exponent'). The term 冪 is a mathematical borrowing from Chinese, used in Japanese for exponentiation.