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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

“
Most people would have probably lost count around seven. This was, Harry knew
from his extensive reading on logic and arithmetic, the largest number that most people
could visually appreciate. Put seven dots on a page, and most people can take a quick
glance and declare, “Seven.” Switch to eight, and the majority of humanity was lost.
”

― What Happens in London

― What Happens in London

“
Einstein’s remark on the limitlessness of human stupidity is made even more disturbing by the discovery that infinity comes in different sizes. Answering ‘How much stupider?’ or trying to measure the minimal idiocy bounded by an IQ test are mysteries which are themselves infinitely less alarming than simply attempting to tally the anti-savant population. One can count all the natural idiots (they’re the same as the even number of idiots – twice as many), but the number of real idiots continues f
...more
”

― Some Inspiration for the Overenthusiastic

― Some Inspiration for the Overenthusiastic

A place to discuss all the unique aspects of Deaf culture as highlighted in the thriller Silent …more

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

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