What is number?

  • (verb): Put into a group.
    Synonyms: count
    See also — Additional definitions below

Number

A number is a mathematical object used to count, label, and measure. In mathematics, the definition of number has been extended over the years to include such numbers as zero, negative numbers, rational numbers, irrational numbers, and complex numbers.

Read more about Number.

Some articles on number:

39 (number) - In Mathematics
39 is the smallest natural number which has three partitions into three parts which all give the same product when multiplied {25, 8, 6}, {24, 10, 5}, {20, 15, 4} ... The thirteenth Perrin number is 39, which comes after 17, 22, 29 (it is the sum of the first two mentioned) ... of 392 + 1 = 1522 is 761, which is obviously more than 39 twice, 39 is a Størmer number ...
496 (number) - In Mathematics
496 is most notable for being a perfect number, and one of the earliest numbers to be recognized as such ... As a perfect number, it is tied to the Mersenne prime 31, 25 - 1, with 24 ( 25 - 1 ) yielding 496 ... Also related to its being a perfect number, 496 is a harmonic divisor number, since the number of proper divisors of 496 divided by the sum of the reciprocals of its divisors, 1, 2, 4, 8, 16, 31, 62 ...
39 (number) - In Other Fields
... first, "'39" does in fact fall in the thirty-ninth position The retired jersey number of former baseball player Roy Campanella The book series "The 39 Clues ... History The number of signers to the United States Constitution, out of 55 members of the Philadelphia Convention delegates The traditional number of ...
38 (number)
... This article discusses the number thirty-eight. 39 ... → 38 ← 39 ... → List of numbers — Integers 90 ... → Cardinal thirty-eight Ordinal 38th (thirty-eighth ...
Natural Logarithm - Origin of The Term natural Logarithm
... But mathematically, the number 10 is not particularly significant ... systems—likely arises from humans’ typical number of fingers ... As an example, there are a number of simple series involving the natural logarithm ...

More definitions of "number":

  • (noun): The property possessed by a sum or total or indefinite quantity of units or individuals.
    Example: "He had a number of chores to do"; "the number of parameters is small"
    Synonyms: figure
  • (verb): Place a limit on the number of.
    Synonyms: keep down
  • (noun): A concept of quantity derived from zero and units.
    Example: "Every number has a unique position in the sequence"
  • (noun): One of a series published periodically.
    Synonyms: issue
  • (noun): A clothing measurement.
    Example: "A number 13 shoe"
  • (verb): Give numbers to.
    Example: "You should number the pages of the thesis"
  • (verb): Enumerate.
    Example: "We must number the names of the great mathematicians"
    Synonyms: list
  • (noun): A short theatrical performance that is part of a longer program.
    Synonyms: act, routine, turn, bit
  • (noun): The grammatical category for the forms of nouns and pronouns and verbs that are used depending on the number of entities involved (singular or dual or plural).
    Example: "In English the subject and the verb must agree in number"
  • (noun): An item of merchandise offered for sale.
    Example: "She preferred the black nylon number"; "this sweater is an all-wool number"
  • (noun): A numeral or string of numerals that is used for identification.
    Example: "She refused to give them her Social Security number"
    Synonyms: identification number
  • (noun): A select company of people.
    Example: "I hope to become one of their number before I die"
  • (noun): A symbol used to represent a number.
    Synonyms: numeral

Famous quotes containing the word number:

    In many ways, life becomes simpler [for young adults]. . . . We are expected to solve only a finite number of problems within a limited range of possible solutions. . . . It’s a mental vacation compared with figuring out who we are, what we believe, what we’re going to do with our talents, how we’re going to solve the social problems of the globe . . .and what the perfect way to raise our children will be.
    Roger Gould (20th century)

    The world is so full of a number of things,
    I’m sure we should all be as happy as kings.
    Robert Louis Stevenson (1850–1894)

    I have known a number of Don Juans who were good studs and who cavorted between the sheets without a psychiatrist to guide them. But most of the busy love-makers I knew were looking for masculinity rather than practicing it. They were fellows of dubious lust.
    Ben Hecht (1893–1964)