Language name and locationː Oroqen, Heilongjiang, China [Refer to Ethnologue]
语言名称和分布地区: 鄂伦春语, 黑龙江省呼玛县及内蒙古自治区鄂伦春自治旗

1. umun

21.  ʊrɪn umun

2. dʒuur

22.  ʊrɪn dʒuur

3. ilan

23.  ʊrɪn ilan

4. dijin

24.  ʊrɪn dijin

5. tʊŋŋa

25.  ʊrɪn tʊŋŋa

6. ɲuŋun

26.  ʊrɪn ɲuŋun

7. nadan

27.  ʊrɪn nadan

8. dʒapkʊn

28.  ʊrɪn dʒapkʊn

9. jəjin

29.  ʊrɪn jəjin

10. dʒaan

30.  gʊtɪn

11. dʒaan umun

40.  dəki

12. dʒaan dʒuur

50.  tʊŋŋa-ŋɪ

13. dʒaan ilan

60.  nuŋun-ŋɪ

14. dʒaan dijin

70.  nadan-ŋɪ

15. dʒaan tʊŋŋa

80.  dʒapkʊn-ŋɪ

16. dʒaan ɲuŋun

90.  jərəən

17. dʒaan nadan

100. umun ɲamaadʒɪ

18. dʒaan dʒapkʊn

200. dʒuur namadʒɪ

19. dʒaan jəjin

1000. umun mɪŋga

20. ʊrɪn

2000. dʒuur mɪŋga

Sourceː Hu Zhengyi, ed, 1986. A Grammatical Sketch of Oroqen language. Beijing
资料来源ː 《鄂伦春简志 》, 胡增益编著, 1986年

Other comments: Oroqen has a decimal numeral system. Oroqen is a Northern Tungusic language spoken by only 12 fluent speakers in 1990, all over 65 yrs (Li and Whaley 2009). 800 monolinguals (Ethnic population: 8,000), in Huma and Tahe counties, Heilongjiang province, and Hulun Buir league, Butha and Oroqen banners, Inner Mongol Autonomous Region, China.