Chinese numbers are very regular. While Arabic (Western) numerals have become more common, the Chinese numerals shown below are still used, particularly in informal contexts like markets.
0 〇, 零
líng
1 一
yī
2 二
èr
3 三
sān
4 四
sì
5 五
wǔ
6 六
lìu
7 七
qī
8 八
bā
9 九
jǐu
10 十
shí
11 十一
shí-yī
12 十二
shí-èr
13 十三
shí-sān
14 十四
shí-sì
15 十五
shí-wǔ
16 十六
shí-lìu
17 十七
shí-qī
18 十八
shí-bā
19 十九
shí-jǐu
20 二十
èr-shí
21 二十一
èr-shí-yī
22 二十二
èr-shí-èr
23 二十三
èr-shí-sān
30 三十
sān-shí
40 四十
sì-shí
50 五十
wǔ-shí
60 六十
lìu-shí
70 七十
qī-shí
80 八十
bā-shí
90 九十
jǐu-shí
For numbers above 100, any "gaps" must be filled in with 〇 líng, as eg. 一百一 yībǎiyī would otherwise be taken as shorthand for "110". A single unit of tens may be written and pronounced either 一十 yīshí or just 十 shí.
100 一百
yī-bǎi
101 一百〇一
yī-bǎi-líng-yī
110 一百一十
yī-bǎi-yī-shí
111 一百一十一
yī-bǎi-yī-shí-yī
200 二百
èr-bǎi
300 三百
sān-bǎi
500 五百
wǔ-bǎi
1000 一千
yī-qiān
2000 二千
èr-qiān
Numbers above 10,000 are grouped by in units of four digits, starting with 万 wàn (ten thousand). "One million" in Chinese is thus "hundred tenthousands" (一百万).
10,000 一万
yī-wàn
10,001 一万〇一
yī-wàn-líng-yī
10,002 一万〇二
yī-wàn-líng-èr
20,000 二万
èr-wàn
50,000 五万
wǔ-wàn
100,000 十万
shí-wàn
200,0000 二十万
èr-shí-wàn
1,000,000 一百万
yī-bǎi-wàn
10,000,000 一千万
yī-qiān-wàn
100,000,000 一亿
yi1yi4
number _____ (train, bus, etc.)
number measure word (lu4 or hao4 etc.) _____ (huo3 che1, gong1 gong4 qi4 chi1, etc. Measure words are used in combination with a number to indicate the count of mass nouns.)
half
半 bàn
less
少於 shao3yu1
more
多於 duo1yu1