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
Wikipedia:List of Wikipedians by number of edits — Shortcuts: WP:NOE WP:WBE WP:EDITS WP:MOSTEDITS This is a list of Wikipedians ordered by number of edits in the English language Wikipedia. Edits in all namespaces are counted; deleted edits have been included in recent versions. Click… … Wikipedia
Bundesstraße 174 — Vorlage:Infobox hochrangige Straße/Wartung/DE B Bundesstraße 174 in Deutschland K … Deutsch Wikipedia
List of countries by number of troops — This is a list of countries by number of troops. It includes any government sponsored troops used to further the domestic and foreign policies of their respective government. The term country is used in the sense of state which exercises… … Wikipedia
173 (number) — 173 is the natural number following 172 and preceding 174. List of numbers Integers << 170 171 172 173 174 175 176 177 178 179 >> … Wikipedia
Preferred number — In industrial design, preferred numbers (also called preferred values) are standard guidelines for choosing exact product dimensions within a given set of constraints. Product developers must choose numerous lengths, distances, diameters, volumes … Wikipedia
Harshad number — A Harshad number, or Niven number in a given number base, is an integer that is divisible by the sum of its digits when written in that base. Harshad numbers were defined by D. R. Kaprekar, a mathematician from India. The word Harshad comes from… … Wikipedia
Reynolds number — In fluid mechanics and heat transfer, the Reynolds number mathrm{Re} is a dimensionless number that gives a measure of the ratio of inertial forces ({old mathrm V} ho) to viscous forces (mu / L) and, consequently, it quantifies the relative… … Wikipedia
Pell number — In mathematics, the Pell numbers and companion Pell numbers (Pell Lucas numbers) are both sequences of integers that have been known since ancient times. They are defined by a recurrence relation similar to that for the Fibonacci numbers, and… … Wikipedia
Personal identification number (Denmark) — The Danish Personal Identification number (Danish: CPR nummer or personnummer ) is a national identification number, which is part of the personal information stored in the Civil Registration System (Danish: Det Centrale Personregister ). The… … Wikipedia