一 means one and is a JLPT N5 kanji. It has 1 stroke and uses the one / horizontal stroke radical (一).
Stroke order · 1 strokes
On'yomi (音読み)
イチ、イツ
Kun'yomi (訓読み)
ひと-、ひと(つ)
Radical
一 · one / horizontal stroke
Strokes
1
How to remember 一
Just a single horizontal stroke. The simplest kanji in Japanese — if you forget this one, there's nothing left to say. It looks just like a single stick lying on the ground.