File:Cyclic_group.svg · Wikimedia Commons · See Wikimedia Commons
Also known as whole number, integer number, integral number
數字可以寫沒有分數和小數組件
AI overview
An integer is a whole number that can be positive, negative, or zero—like –3, 0, 5, or 100. Integers are fundamental in mathematics and everyday life because they're used for counting, measuring, and solving problems that don't involve fractions or decimals.
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Wikidata facts
- Image
- EvenOddNumberLine.svg
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- Commons category
- Integers
- equivalent class
- schema.org/Integer
- Stack Exchange tag
- math.stackexchange.com/tags/integers
Sources (1)
via Wikidata · CC0
Article · 中文
整数，在電腦應用上也稱為整型，是序列中所有的数的统称，包括负整数、零（0）与正整数。和自然數一樣，整數也是一個可數的無限集合。這個集合在数学上通常表示粗體或，源于德语单词Zahlen（意为“数”）的。 在代數數論中，這些屬於有理數的一般整數會被稱為有理整數，用以和高斯整數等的概念加以區分。
Abstract from DBpedia / Wikipedia · CC BY-SA
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Connections
natural number
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fraction
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subset
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fundamental theorem of arithmetic
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identity element
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countable set
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Lie group
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Gaussian integer
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p-adic number
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total order
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topological group
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orthogonal group
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unit
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noncommutative ring
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definable real number
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German
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French
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Latin
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number
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Leonhard Euler
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