From Contribution: Austronesian and Papuan numeral systems
How are lower numerals constructed? 3 = 2+1 and 4 = 2+2 (binary proper); 3 = 2+1 but 4 is atomic (binary+4); 4 = 2+2 but 3 is atomic (binary+3); 4 is used as a base (quaternary); 5 is used as a base (quinary); 6 is used as a base (senary); 10 is used as a base and all numerals below 10 are atomic (decimal proper); 10 is used as a base and at least one numeral below 10 is non-atomic but no number less than 10 is used as a regular construction base (decimal modified); insufficient data or no evidence of a base (unknown).
| Language | Value | Comment | Source | Examples |
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