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# Number

A number is a mathematical object used to count, measure, and label. The original examples are the natural numbers 1, 2, 3, and so forth. A notational symbol that represents a number is called a numeral. In addition to their use in counting and measuring, numerals are often used for labels (as with telephone numbers), for ordering (as with serial numbers), and for codes (as with ISBNs). In common usage, number may refer to a symbol, a word, or a mathematical abstraction.

In mathematics, the notion of number has been extended over the centuries to include 0, negative numbers, rational numbers, r ...more

In mathematics, the notion of number has been extended over the centuries to include 0, negative numbers, rational numbers, r ...more

## Related Genres

“
Seven, Richie thought. That's the magic number. There has to be seven of us. That's the way it's supposed to be.
”

― It

― It

“
He told me that in 1886 he had invented an original system of numbering and that in a very few days he had gone beyond the twenty-four-thousand mark. He had not written it down, since anything he thought of once would never be lost to him. His first stimulus was, I think, his discomfort at the fact that the famous thirty-three gauchos of Uruguayan history should require two signs and two words, in place of a single word and a single sign. He then applied this absurd principle to the other number
...more
”

― Labyrinths: Selected Stories and Other Writings

― Labyrinths: Selected Stories and Other Writings

A place to discuss all the unique aspects of Deaf culture as highlighted in the new release book…more

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Children's books that support maths are a rarity. Ones based on a decent story (rather than just…more

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This global discussion group has been designed to encourage debates about important and underrep…more

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## Tags

Tags contributing to this page include: number, digit, digits, integer, numbers, and numerals