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
Computer memory capacity is often expressed as a power of two.
256 is a power of two.
Standard kanji spelling using the mathematical term 冪 (べき).
Variant using the numeral ２; common in technical contexts.
Mixed numeral-kana spelling; sometimes seen in informal mathematical writing.
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.