KanjiJLPT N5
One

one, one radical (no.1)

Mnemonic

Just a single horizontal stroke — one clean line.

Details

The keyword for 一 is one. This is the most basic kanji, representing the number one with a single horizontal stroke. It can also convey meanings of unity, wholeness, or being first. Its simplicity reflects the foundational concept of a single unit from which all other numbers build.
On'yomi
いち、いつ
Kun'yomi
ひと-、ひと.つ