Question

what is national number​

Answer 1

itz not national bro, itz natural number.

NATURAL NUMBER

In mathematics, the natural numbers are those used for counting and ordering. In common mathematical terminology, words colloquially used for counting are "cardinal numbers", and words used for ordering are "ordinal numbers".

NATIONAL NUMBER

A national identification number, national identity number, or national insurance number is used by the governments of many countries as a means of tracking their citizens, permanent residents, and temporary residents for the purposes of work, taxation, government benefits, health care, and other governmentally-related

Answer 2

Any number that can be expressed in the form p upon q is called a rational number.

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