# Number names

 related topics {language, word, form} {math, number, function} {country, population, people} {@card@, make, design} {system, computer, user} {rate, high, increase} {math, energy, light} {work, book, publish} {day, year, event} {war, force, army} {mi², represent, 1st}

In linguistics, number names (or numerals) are specific words in a natural language that represent numbers.

In writing, numerals are symbols also representing numbers. In mathematics (including computing) there are other meanings and definitions of numbers, over the different stages of the history of science.

## Contents

### Numeral types

In linguistics, the terms representing numbers can be classified according to their use:[1]

• Cardinal numerals: describe quantity - one, two, three, etc.
• Ordinal numerals: describe position in a sequential order - first, second, third, etc. (the terms next and last may also be considered a kind of ordinals)
• Ranking numerals: describe order, based on relevance or importance - primary, secondary, tertiary, etc.[citation needed]
• Partitive numerals: describe division into fractions - half, third, quarter, etc. (including most and least)
• Composite numerals: describe composition - unary, binary, ternary, etc.
• Multiplicative numerals: describe repetition - once, twice, thrice, etc.
• Reproductive numerals: describe replication - single, double, triple, etc. (to include multiple)
• Collective numerals: describe groups composed of several individual entities - pair, triad, dozen, etc.
• Distributive numerals: describe an alternating pattern - each person (one), every other week (entailing two weeks), every three eggs, etc.