## 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:

**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 ...

**number**)

... This article discusses the

**number**thirty-eight. 39 ... → 38 ← 39 ... → List of

**numbers**— Integers 90 ... → Cardinal thirty-eight Ordinal 38th ...

**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). 392 + 1 = 1522 is 761, which is obviously more than 39 twice, 39 is a Størmer

**number**...

*natural Logarithm*

... But mathematically, the

**number**10 is not particularly significant ... societies’ numbering systems—likely arises from humans’ typical

**number**of fingers ... As an example, there are a

**number**of simple series involving the natural logarithm ...

**number**) - In Other Fields

... with their 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" revolves around 39 ... History The

**number**of signers to the United States Constitution, out of 55 members of the Philadelphia Convention delegates The traditional

**number**of times citizens of Ancient ... Japanese Internet chat slang for "thank you" when written with

**numbers**(3=san 9=kyu) Pier 39 in San Francisco The

**number**of the French department Jura In Afghanistan, the

**number**39 is considered unlucky, due ...

### More definitions of "number":

- (
*noun*): One of a series published periodically.

Synonyms: issue

- (
*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 short theatrical performance that is part of a longer program.

Synonyms: act, routine, turn, bit

- (
*verb*): Enumerate.

Example:*"We must number the names of the great mathematicians"*

Synonyms: list

- (
*noun*): The number is used in calling a particular telephone.

Example:*"He has an unlisted number"*

Synonyms: phone number, telephone number

- (
*noun*): An item of merchandise offered for sale.

Example:*"She preferred the black nylon number"; "this sweater is an all-wool number"*

- (
*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*): A concept of quantity derived from zero and units.

Example:*"Every number has a unique position in the sequence"*

- (
*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

- (
*noun*): A select company of people.

Example:*"I hope to become one of their number before I die"*

- (
*verb*): Place a limit on the number of.

Synonyms: keep down

- (
*verb*): Put into a group.

Synonyms: count

- (
*noun*): A clothing measurement.

Example:*"A number 13 shoe"*

- (
*verb*): Give numbers to.

Example:*"You should number the pages of the thesis"*

### Famous quotes containing the word number:

“Of all reformers Mr. Sentiment is the most powerful. It is incredible the *number* of evil practices he has put down: it is to be feared he will soon lack subjects, and that when he has made the working classes comfortable, and got bitter beer into proper-sized pint bottles, there will be nothing left for him to do.”

—Anthony Trollope (1815–1882)

“States strong enough to do good are but few.

Their *number* would seem limited to three.”

—Robert Frost (1874–1963)

“The serial *number* of a human specimen is the face, that accidental and unrepeatable combination of features. It reflects neither character nor soul, nor what we call the self. The face is only the serial *number* of a specimen.”

—Milan Kundera (b. 1929)