What is 90 in Igbo?

90 in Igbo

iri itoolu

Built as 10 × 9

How 90 is built in Igbo

iri itoolu is 9 tens: iri (10) × itoolu (9).

Traditional base-20 form

ogu anọ na iri

The older base-20 system counts in ogu (20) and nnu (400).

ogu anọ (80) + iri (10) = 90.

90 in the other Nigerian languages

90 in Yorùbáàádọ́rùn-ún 90 in Hausacasa'in

Nearby numbers in Igbo

87iri asatọ na asaa 88iri asatọ na asatọ 89iri asatọ na itoolu 91iri itoolu na otu 92iri itoolu na abụọ 93iri itoolu na atọ

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These forms are generated from the counting rules of each language and are still awaiting native-speaker review. Numeral words vary by region and by source.