eight; 8
The number eight. The reading や is used in some compounds and counting, but はち is the standard standalone reading.
八は私のラッキーナンバーです。
Eight is my lucky number.
ここに八個のリンゴがあります。
There are eight apples here.
Arabic numeral spelling, common in horizontal writing and lists.
Specialized kanji used in legal documents to prevent forgery.