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  1. 1 - 维基百科,自由的百科全书

    在数学中,1为乘法单位元,即任何数字与1相乘皆等于其本身。 按照惯例,1不被视为素数。 在数字电路中,1表示 二进制 中的“开启”状态,是计算技术的基础。 在 哲学 领域,1在诸多传统中象征着终极 …

  2. 1(自然数之一)_百度百科

    1,是一个阿拉伯数字。 1是一个自然数,是最小的正整数,是最小的正奇数。 1是一个有理数,是一位数,也是奇数。 1既不是质数也不是合数。 1的n次方(n∈R)都等于1。 1的倒数是它本身。 一个或者 …

  3. 数字1 - 搜狗百科

    Oct 22, 2024 · 一个或者几个事物所组成的整体,可以看作是单位"1"。 比如一个圆可以看作单位“1”,把它平均分成3份就是单位“1”除以3得到三分之一。

  4. The number one - Britannica

    Not surprisingly, the number 1 is generally treated as a symbol of unity. Therefore, in monotheistic religions, it often symbolizes God or the universe. The Pythagoreans did not consider 1 to be a …

  5. 1 - 维基词典,自由的多语言词典

    文字形式是由 ︎ 強制指定 的,而表情符號形式是由 ️ 強制指定的。 10世纪,阿拉伯數字尼泊尔形式的“西部阿拉伯”变体(对照天城文 १ (éka)),可能受到了罗马数字 Ⅰ 的影响。 数字‘ 1 ’在七段数码管 …

  6. 1 (number) - New World Encyclopedia

    The glyph used today in the Western world to represent the number 1, a vertical line, often with a serif at the top and sometimes a short horizontal line at the bottom, traces its roots back to the Indians, who …

  7. 1 Definition & Meaning - Merriam-Webster

    One John Doe made a speech. "Puma" and "cougar" are different names for one animal. The author and the main character are one and the same. : the first whole number above zero see Table of …

  8. 1 - Wikipedia

    1 (one, unit, unity) is a number, numeral, and grapheme. It is the first and smallest positive integer of the infinite sequence of natural numbers.

  9. 1 -- from Wolfram MathWorld

    Dec 3, 2025 · 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 …

  10. 1 (number) | Math Wiki | Fandom

    1 is the Hindu-Arabic numeral for the number one (the unit). It is the smallest positive integer, and smallest natural number. 1 is the multiplicative identity, i.e. any number multiplied by 1 equals itself, …