Gbiri-Niragu language

Gbiri-Niragu, also known as Gure-Kahugu, is a Kainji language of Nigeria. Speakers are shifting to Hausa. Tugbiri is the name of the language of the Gbiri people, and is spoken in and around the village of Gure in Lere LGA, southern Kaduna State. Niragu speakers live directly to the north of Tugbiri speakers.

Numerals
Gbiri-Niragu has, or had, a duodecimal number system.