convenient number
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Convenient care clinic — Convenient care clinics (CCCs) are health care clinics located in retail stores, supermarkets and pharmacies that treat uncomplicated minor illnesses and provide preventative health care services. They are sometimes called retail clinics ,… … Wikipedia
Number theory — A Lehmer sieve an analog computer once used for finding primes and solving simple diophantine equations. Number theory is a branch of pure mathematics devoted primarily to the study of the integers. Number theorists study prime numbers (the… … Wikipedia
number game — Introduction any of various puzzles and games that involve aspects of mathematics. Mathematical recreations comprise puzzles and games that vary from naive amusements to sophisticated problems, some of which have never been solved.… … Universalium
Complex number — A complex number can be visually represented as a pair of numbers forming a vector on a diagram called an Argand diagram, representing the complex plane. Re is the real axis, Im is the imaginary axis, and i is the square root of –1. A complex… … Wikipedia
Idoneal number — In mathematics, Euler s idoneal numbers, (also called suitable numbers or convenient numbers), are the positive integers D such that any integer expressible in only one way as x2 ± Dy2 (where x2 is relatively prime to Dy2) is a prime,… … Wikipedia
Social Security number — In the United States, a Social Security number (SSN) is a 9 digit number issued to citizens, permanent residents, and temporary (working) residents under section 205(c)(2) of the Social Security Act, codified as uscsub|42|405|c|2. The number is… … Wikipedia
International Standard Book Number — ISBN redirects here. For usage of ISBNs in Wikipedia, see Wikipedia:ISBN. A 13 digit ISBN, 978 3 16 148410 0, as represented by an EAN 13 bar code. The International Standard Book Number (ISBN) is a unique[1][2 … Wikipedia
Natural number — Natural numbers can be used for counting (one apple, two apples, three apples, ...) from top to bottom. In mathematics, the natural numbers are the ordinary whole numbers used for counting ( there are 6 coins on the table ) and ordering ( this is … Wikipedia
P-adic number — In mathematics, the p adic number systems were first described by Kurt Hensel in 1897 [cite journal | last = Hensel | first = Kurt | title = Über eine neue Begründung der Theorie der algebraischen Zahlen | journal =… … Wikipedia
Telephone Number Mapping — (ENUM or Enum, from E.164 NUmber Mapping) is a suite of protocols to unify the telephone numbering system E.164 with the Internet addressing system DNS by using an indirect lookup method, to obtain NAPTR records. The records are stored at a DNS… … Wikipedia
p-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… … Wikipedia
