一 one

Radical
1 of the 214
Written
一十
Strokes
1
Characters
34 in this dictionary

The numbers count the strokes left once 一 is taken away.

the radical itself

一

1 stroke after the radical

七 丁 丂

2 strokes after the radical

上 下 三 万 丈 丌 卄

3 strokes after the radical

不 与 专 丐 丑 丏

4 strokes after the radical

业 世 东 且 丝 丘 丛 丙 丕

5 strokes after the radical

丟 丢 丞

6 strokes after the radical

两 严 丽

7 strokes after the radical

並 丧

Filed elsewhere

Some dictionaries put 亚, 夹 under this radical. This one follows Unicode, which files them elsewhere.