The difference between Composite number and Number

When used as nouns, composite number means a (nonzero) natural number that is expressible as the product of two (or more) natural numbers other than itself and 1, whereas number means an abstract entity used to describe quantity.

Number is also verb with the meaning: to label (items) with numbers.

check bellow for the other definitions of Composite number and Number

  1. Composite number as a noun (number theory):

    A (nonzero) natural number that is expressible as the product of two (or more) natural numbers other than itself and 1.

  1. Number as a noun (countable):

    An abstract entity used to describe quantity.

    Examples:

    "Zero, one, -1, 2.5, and pi are all numbers."

  2. Number as a noun (countable):

    A numeral: a symbol for a non-negative integer.

    Examples:

    "The number 8 is usually made with a single stroke."

  3. Number as a noun (countable, mathematics):

    A member of one of several classes: natural numbers, integers, rational numbers, real numbers, complex numbers, quaternions.

    Examples:

    "The equation <math>e^{i\pi}+1=0</math> includes the most important numbers: 1, 0, <math>\pi</math>, <math>i</math>, and <math>e</math>."

  4. Number as a noun (Followed by a [[numeral]]; used [[attributive]]ly):

    Indicating the position of something in a list or sequence. Abbreviations: No or No., no or no. (in each case, sometimes written with a superscript "o", like Nº or &#x2116;). The symbol "#" is also used in this manner.

    Examples:

    "Horse number 5 won the race."

  5. Number as a noun:

    Quantity.

    Examples:

    "Any number of people can be reading from a given repository at a time."

  6. Number as a noun:

    A sequence of digits and letters used to register people, automobiles, and various other items.

    Examples:

    "Her passport number is C01X864TN."

  7. Number as a noun (countable, informal):

    A telephone number.

  8. Number as a noun (grammar):

    Of a word or phrase, the state of being singular, dual or plural, shown by inflection.

    Examples:

    "Adjectives and nouns should agree in gender, number, and case."

  9. Number as a noun (now, rare, in the plural):

    Poetic metres; verses, rhymes.

  10. Number as a noun (countable):

    A performance; especially, a single song or song and dance routine within a larger show.

    Examples:

    "For his second number, he sang "The Moon Shines Bright"."

  11. Number as a noun (countable, informal):

    A person.

  12. Number as a noun (countable, informal):

    An item of clothing, particularly a stylish one.

  13. Number as a noun (slang, chiefly, US):

    A marijuana cigarette, or joint; also, a quantity of marijuana bought form a dealer.

  14. Number as a noun (dated):

    An issue of a periodical publication.

    Examples:

    "the latest number of a magazine"

  1. Number as a verb (transitive):

    To label (items) with numbers; to assign numbers to (items).

    Examples:

    "Number the baskets so that we can find them easily."

  2. Number as a verb (intransitive):

    To total or count; to amount to.

    Examples:

    "I don’t know how many books are in the library, but they must number in the thousands."

  1. Number as an adjective:

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