1. The result is ternary, quaternary, or even quinary compositions. 2. West Uvea is the only Polynesian language to use a quinary numeral system. 3. The system of numerals in South Efate is base-5 ( quinary ). 4. A base-5 system ( quinary ) has been used in many cultures for counting. 5. For quinary quartics the catalecticant vanishes when the form is a sum of 14 4th powers. 6. If they had done so, the fourth and fifth series would have been termed quaternary and quinary . 7. It is said to be the only language with a numeral system based exclusively on five, although quinary systems exist. 8. This device works as a bi-quinary based number system in which carries and shifting are similar to the decimal number system. 9. The largest quinary group is 20-to 24-year-olds ( 9 % ) because of the large university student population. 10. The largest quinary group is 20 to 24-year-olds ( 14.6 % ) because of the large university student population.