Difference between revisions of "Number"
Jump to navigation
Jump to search
(moving material to integer) |
m |
||
| (8 intermediate revisions by 8 users not shown) | |||
| Line 1: | Line 1: | ||
| − | A '''number''' is a term that describes the amount of something. | + | A '''number''' is a [[term]] that describes the [[amount]] of something and is used for counting of measuring. |
| + | |||
| + | Numbers are usually represented in [[English]] writing in a Base Ten system of ''numerals'': | ||
| + | |||
| + | *0 (zero) | ||
| + | *1 (one) | ||
| + | *2 (two) | ||
| + | *3 (three) | ||
| + | *4 (four) | ||
| + | *5 (five) | ||
| + | *6 (six) | ||
| + | *7 (seven) | ||
| + | *8 (eight) | ||
| + | *9 (nine) | ||
| + | |||
| + | Which can be used in combination to represent any number of any size. An older system of representation, still sometime encountered on clocks and other places, is [[Roman numeral]]s, which used certain letters of the [[alphabet]] instead. | ||
| + | |||
| + | There are many kinds of numbers. Some examples are: | ||
| + | *[[Prime number]]s | ||
| + | *[[Composite number]]s | ||
| + | *[[Rational number]]s | ||
| + | *[[Real number]]s | ||
| + | *[[Imaginary number]]s | ||
| + | *[[Complex number]]s | ||
| + | *[[Transcendental number]]s | ||
| + | |||
| + | "Number" is also a [[number (grammar)|grammatical term]] for the representation of a number of persons or things in a form of a word. | ||
| + | |||
| + | ==See also== | ||
| + | *[[142857]] | ||
| + | [[Category:Mathematics]] | ||
Latest revision as of 21:33, September 24, 2022
A number is a term that describes the amount of something and is used for counting of measuring.
Numbers are usually represented in English writing in a Base Ten system of numerals:
- 0 (zero)
- 1 (one)
- 2 (two)
- 3 (three)
- 4 (four)
- 5 (five)
- 6 (six)
- 7 (seven)
- 8 (eight)
- 9 (nine)
Which can be used in combination to represent any number of any size. An older system of representation, still sometime encountered on clocks and other places, is Roman numerals, which used certain letters of the alphabet instead.
There are many kinds of numbers. Some examples are:
- Prime numbers
- Composite numbers
- Rational numbers
- Real numbers
- Imaginary numbers
- Complex numbers
- Transcendental numbers
"Number" is also a grammatical term for the representation of a number of persons or things in a form of a word.