Overall, there are two different counting systems in the Igbo language, a 20 based one (older version) and a 10 (decimal) based one (newer version). The lessons on this page mostly focus on the newer 10 based counting system, meaning the numbers are described based on the multiples of 10 instead of  multiples 20. However, I did give examples of how to say both 20 and 400 using both systems.

Numbers | Ordinal

Numbers – onuogụ

count – guo

 

0 zero – adigi / okpokoro / efu

1  one – otu / ofu

2 two – abụọ

3 three – atọ

4 four – anọ

5 five – ise

6 six – isii

7 seven – asaa

8 eight – asato

9 nine – itoolu

10 ten – iri

11 eleven – iri na otu

12 twelve – iri na abụọ

13 thirteen – iri na atọ

14 fourteen – iri na anọ

15 fifteen – iri na ise

16 sixteen – iri na isii

17 seventeen – iri na asaa

18 eighteen – iri na asato

19 nineteen – iri na itoolu

20 twenty – iri abụọ (10 based) / ọgụ (20 based)

21 twenty one – iri abụọ na otu

22 twenty two – iri abụọ na abụọ

23 twenty three – iri abụọ na atọ

24 twenty four – iri abụọ na anọ

25 twenty five – iri abụọ na ise

26 twenty six – iri abụọ na isii

27 twenty seven – iri abụọ na asaa

28 twenty eight – iri abụọ na asato

29 twenty nine – iri abụọ na itoolu

30 thirty – iri atọ

35  thirty five – iri atọ na ise

40 forty – iri anọ

50 fifty – iri ise

60 sixty – iri isii

70 seventy – iri asaa

80 eighty – iri asato

90 ninety – iri itoolu

100 one hundred – otu nnari / otu nari

101 one hundred one – otu nari na otu

200 two hundred – nari abụọ

223 two hundred twenty three – nari abụọ na iri abụọ na atọ

300 three hundred – nari atọ

400 four hundred – nari anọ (10 based) / nnụ  (20 based)

500 five hundred – nari ise

600 six hundred – nari isii

700 seven hundred – nari  asaa

800 eight hundred – – nari asato

900 nine hundred – nari itoolu

1000 one thousand – otu puku

1001 one thousand one – otu puku na otu

2000 two thousand – puku abụọ

2017 two thousand seventeen – puku abụọ na iri na asaa

2018 two thousand eighteen – puku abụọ na iri na asato

3000 three thousand – puku atọ

3452 three thousand four hundred fifty two – puku atọ na nari anọ na iri ise na abụọ

10, 000 one ten thousand – puku iri

40, 000 forty thousand – puku iri anọ

100, 000 one hundred thousand – puku nari

1,000, 000 one million –  otu nde

1,000,000,000 one billion  – otu ijeri


Ordinal

1st first – nke mbụ

2nd second – nke abụọ

3rd third – nke atọ

4th fourth – nke anọ

5th fifth – nke ise

6th sixth – nke isii

7th seventh – nke asaa

8th eighth – nke asato

9th ninth – nke itoolu

10th tenth – nke iri

13th thirteenth – nke iri na atọ

30th thirtieth – nke iri atọ

300th three hundredth – nke nari atọ

3000th three thousandth – nke puku atọ

once – otu ugboro
twice – ugboro abụọ
three times – ugboro atọ

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