Source: wikibot/elementary-number
= Elementary number
{wiki=Elementary_number}
An elementary number refers to a number that is part of basic arithmetic and number theory—specifically, it typically refers to the integers, rational numbers, or certain simple constructs in mathematics. The term can also refer to specific types of numbers, such as the natural numbers (1, 2, 3, ...), whole numbers (0, 1, 2, ...), negative integers, or even certain classes of rational numbers.