numeric
900; nine hundred
Standard numeral; used in counting, prices, years, etc.
この本は九百ページある。
This book has nine hundred pages.
参加者は九百人を超えた。
The number of participants exceeded nine hundred.
noun
Only when written 九百 · Only with reading くひゃく
Archaic derogatory term; restricted to the kanji 九百 and reading くひゃく. Not used in modern Japanese.
古い文献では「九百」を「くひゃく」と読んで愚か者を指すことがある。
In old texts, 九百 read as くひゃく can refer to a fool.
Mixed numeral-kanji spelling; occasionally seen but less standard.
Arabic numeral spelling, common in horizontal writing and technical contexts.
Kanji-zero spelling; sometimes used for stylistic or vertical-writing purposes.
Compound of 九 (nine) and 百 (hundred). The archaic derogatory sense may derive from a pun or slang usage, but the exact origin is uncertain.