二 means two and is a JLPT N5 kanji. It has 2 strokes and uses the two radical (二).
Stroke order · 2 strokes
On'yomi (音読み)
ニ、ジ
Kun'yomi (訓読み)
ふた、ふた(つ)、ふたたび
Radical
二 · two
Strokes
2
How to remember 二
Just two strokes, that's it. The top one is a bit shorter, the bottom one longer — like an older brother and a younger brother. If you can count, this kanji is yours.