Huli language

Huli
Region	Southern Highlands, Papua New Guinea
Ethnicity	Huli people
Native speakers	150,000 (2011)^[1]
Language family	Trans–New Guinea Engan South Huli
Writing system	Latin script (Huli alphabet) Huli Braille
Language codes
ISO 639-3	`hui`
Glottolog	`huli1244`^[2]

Huli is a Trans–New Guinea language spoken by the Huli people of the Southern Highlands province of Papua New Guinea. It features a pentadecimal (base-15) numeral system: ngui means 15, ngui ki means 15×2 = 30, and ngui ngui means 15×15 = 225.

References

↑ Huli at Ethnologue (18th ed., 2015)
↑ Nordhoff, Sebastian; Hammarström, Harald; Forkel, Robert; Haspelmath, Martin, eds. (2013). "Huli". Glottolog. Leipzig: Max Planck Institute for Evolutionary Anthropology.

Lomas, Gabe (1988). The Huli language of Papua New Guinea. PhD Thesis, Macquarie University.

Huli counting system
"Counting and number in Huli", Brian Cheetam. Papua New Guinea Journal of Education