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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  3. 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 ...
  4. en.wikipedia.org

    1st Heavy Brigade Combat Team headquarters with their Brigade Support Battalion (BSB) and Special Troops Battalion deployed to Kirkuk, Iraq in October 2010 to establish the 1-1 Advise and Assist Task Force as part of Operation New Dawn. They were later joined by 1-5 Field Artillery in northern Iraq in late spring 2011.
  5. en.wikipedia.org

    In mathematics, the infinite series 11 + 11 + ⋯, also written = is sometimes called Grandi's series, after Italian mathematician, philosopher, and priest Guido Grandi, who gave a memorable treatment of the series in 1703.It is a divergent series, meaning that the sequence of partial sums of the series does not converge.. However, though it is divergent, it can be manipulated to ...
  6. en.wikipedia.org

    In mathematics, the Fibonacci sequence is a sequence in which each element is the sum of the two elements that precede it. Numbers that are part of the Fibonacci sequence are known as Fibonacci numbers, commonly denoted F n .Many writers begin the sequence with 0 and 1, although some authors start it from 1 and 1 [1] [2] and some (as did Fibonacci) from 1 and 2.
  7. en.wikipedia.org

    1 is a greatest hits album of the English rock band the Beatles, originally released on 13 November 2000.The album features virtually every number-one single the band achieved in the United Kingdom or United States from 1962 to 1970. Issued on the 30th anniversary of the band's break-up, it was their first compilation album available on only one CD. 1 was a commercial success and topped charts ...
  8. en.wikipedia.org

    This is a list of articles about prime numbers.A prime number (or prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself. By Euclid's theorem, there are an infinite number of prime numbers.Subsets of the prime numbers may be generated with various formulas for primes.The first 1000 primes are listed below, followed by lists of notable types of prime ...
  9. en.wikipedia.org

    The reciprocal function f(x) = x −1 where for every x except 0, f(x) represents its multiplicative inverse. Exponentiation of a non‐zero real number can be extended to negative integers, where raising a number to the power −1 has the same effect as taking its multiplicative inverse: . x −1 = ⁠ 1 / x ⁠.. This definition is then applied to negative integers, preserving the ...
  10. en.wikipedia.org

    Zone 1 uses closed numbering plan, identified by the digit 1 as country code. An area code of three digits dialed after the country code determines the area served in the United States and its territories, Canada, and much of the Caribbean. Zone 2 uses two 2-digit codes (20, 27) and eight sets of 3-digit codes ...

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