usual number
21p-adic number — In mathematics, and chiefly number theory, the p adic number system for any prime number p extends the ordinary arithmetic of the rational numbers in a way different from the extension of the rational number system to the real and complex number… …
22Ordinal number — This article is about the mathematical concept. For number words denoting a position in a sequence ( first , second , third , etc.), see Ordinal number (linguistics). Representation of the ordinal numbers up to ωω. Each turn of the spiral… …
23The Usual Suspects — Infobox Film name = The Usual Suspects image size = caption = Promotional poster director = Bryan Singer producer = Michael McDonnell Bryan Singer narrator = Kevin Spacey writer = Christopher McQuarrie narrator = starring = Gabriel Byrne Chazz… …
24Exit number — On a road with distance based exit numbering, the exit number (shown here on a gore sign) matches a nearby mile or kilometer marker …
25Real number — For the real numbers used in descriptive set theory, see Baire space (set theory). For the computing datatype, see Floating point number. A symbol of the set of real numbers …
26Definable real number — A real number a is first order definable in the language of set theory, without parameters, if there is a formula φ in the language of set theory, with one free variable, such that a is the unique real number such that φ(a) holds in the standard… …
27Artists achieving number-one hits in the United States and United Kingdom simultaneously — These are the artists who have topped both the official album and singles chart for Billboard in the United States and The Official UK Charts Company from the United Kingdom (also the BPI). Currently, as of 2008, seven artists have achieved this …
28List of number-one albums of 1983 (U.S.) — Michael Jackson s sixth album Thriller spent twenty two weeks at number one, sold more than fifteen million copies to become the best selling album of 1983, and won the Grammy Award for Album of the Year. The Billboard 200, published in Billboard …
29On the Number of Primes Less Than a Given Magnitude — Ueber die Anzahl der Primzahlen unter einer gegebenen Grösse (Usual English translation: On the Number of Primes Less Than a Given Magnitude) is a seminal 8 page paper by Bernhard Riemann published in the November 1859 edition of the… …
30Surreal number — In mathematics, the surreal number system is an arithmetic continuum containing the real numbers as well as infinite and infinitesimal numbers, respectively larger or smaller in absolute value than any positive real number. The surreals share… …
