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  1. 1

    Natural number

    1 is a number, numeral, and glyph. It is the first and smallest positive integer of the infinite sequence of natural numbers. This fundamental property has led to its unique uses in other fields, ranging from science to sports, where it commonly denotes the first, leading, or top thing in a group. 1 is the unit of counting or measurement, a determiner for singular nouns, and a gender-neutral pronoun. Historically, the representation of 1 evolved from ancient Sumerian and Babylonian symbols to the modern Arabic numeral. In mathematics, 1 is the multiplicative identity, meaning that any number multiplied by 1 equals the same number. 1 is by convention not considered a prime number. In digital technology, 1 represents the "on" state in binary code, the foundation of computing. Philosophically, 1 symbolizes the ultimate reality or source of existence in various traditions. Wikipedia

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  2. en.wikipedia.org

    1 (one, unit, unity) is a number, numeral, and glyph. It is the first and smallest positive integer of the infinite sequence of natural numbers. This fundamental property has led to its unique uses in other fields, ranging from science to sports, where it commonly denotes the first, leading, or top thing in a group. 1 is the unit of counting or measurement, a determiner for singular nouns, and ...
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  4. calculator-1.com

    The most simple mathematical operations: addition, subtraction, multiplication, division. This is a simplified version of the online calculator. The full version you can get and use here: Calculator Entering commands from the keyboard For the work of the simple calculator You can use both ordinary numeric buttons above the keyboard and separate numeric buttons on the right. You can use the ...
  5. math.stackexchange.com

    While 1/i =i−1 1 / i = i − 1 is true (pretty much by definition), if we have a value c c such that c ∗ i = 1 c ∗ i = 1 then c =i−1 c = i − 1. This is because we know that inverses in the complex numbers are unique.
  6. mathworld.wolfram.com

    4 days agoThe number one (1), also called "unity," is the first positive integer. It is an odd number. Although the number 1 used to be considered a prime number, it requires special treatment in so many definitions and applications involving primes greater than or equal to 2 that it is usually placed into a class of its own (Wells 1986, p. 31). The number 1 is sometimes also called "unity," so the nth ...
  7. zh.wikipedia.org

    相反數 是-1 任何質數的 真因數和 皆為1 [2] 1是唯一一個 真因數和 為0的正整數 在 概率論 中,任一 样本空間 中必然发生的 隨机事件 之 概率 定义为11是 正数 、 整数 、 有理数 、 代数数 、 實数 、复数。 在 几何学 中, 单位圆 和 單位球 的 半徑 都是1

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