Correct
倍数
/ bèishù /
Strokes
Definition
multiple/multiplier/factor
Example
As a Noun
multiple
1
21
21
shì
是
3
3
hé
和
7
7
de
的
bèishù
倍数
。
Twenty-one is the multiple of 3 or 7.
As a Noun
multiple; multiplier
2
Bèishù
倍数
xiàoyìng
效应
multiplier effect