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  1. Number - Wikipedia

    The number system that results depends on what base is used for the digits: any base is possible, but a prime number base provides the best mathematical properties.

  2. Number | Definition, Types, & Facts | Britannica

    Number, any of the positive or negative integers or any of the set of all real or complex numbers, the latter containing all numbers of the form a + bi, where a and b are real numbers and i denotes the …

  3. What Are Numbers in Math? Definition, Types, Examples, FAQs

    A number is an arithmatic value used to count, measure, label, or represent quantity. Learn the history of numbers, different types, their representation & more.

  4. Numbers - Definition, Types of Numbers | What are Numbers?

    A number is a basic component of mathematics. Numbers are an integral part of our everyday lives. Learn what are numbers, the different types of numbers, and all the concepts related to numbers.

  5. Number Definition (Illustrated Mathematics Dictionary)

    Illustrated definition of Number: A count, measurement or idea of a value. We write or talk about numbers using numerals such as 5 or five....

  6. NUMBER | definition in the Cambridge English Dictionary

    NUMBER meaning: 1. (a sign or symbol representing) a unit that forms part of the system of counting and…. Learn more.

  7. Number - Math.net

    A number can be thought of as a concept or an idea that indicates how many or how much. There are many different classifications or categories of numbers, such as integers, negative numbers, prime …

  8. NUMBER definition and meaning | Collins English Dictionary

    A number is a word such as 'two', ' nine ', or ' twelve ', or a symbol such as 1, 3, or 47. You use numbers to say how many things you are referring to or where something comes in a series.

  9. Number - definition of number by The Free Dictionary

    1. To call off numbers; count: numbering to ten. 2. To have as a total; amount to a number: The applicants numbered in the thousands.

  10. NUMBER Definition & Meaning - Merriam-Webster

    The meaning of NUMBER is a sum of units : total. How to use number in a sentence. Amount vs. Number: Usage Guide