83 (number): Difference between revisions

From formulasearchengine
Jump to navigation Jump to search
en>Wtmitchell
m Reverted edits by 108.32.22.59 (talk) to last revision by David Eppstein (HG)
en>Matchups
In music: Removed "*Frank Sinatra charted 83 Billboard Top 200 albums"
Line 1: Line 1:
{{examplefarm|date=March 2010}}
{{Infobox number
| number = 79
| factorization = [[prime number|79]]
| prime = 22nd
| divisor = 1, 79
}}
'''Seventy-nine''' is the [[natural number]] following [[78 (number)|78]] and preceding [[80 (number)|80]].


==In mathematics==
*An [[even and odd numbers|odd]] number
*The smallest number that can't be represented as a sum of fewer than 19 [[fourth power]]s
*A strictly non-[[palindromic number]]
*The 22nd [[prime number]] (the next is [[83 (number)|83]])
*The smallest prime number ''p'' for which the [[real quadratic field]] '''Q'''[&radic;''p''] has [[class number]] greater than 1 (namely 3)<ref>H. Cohen, ''A Course in Computational Algebraic Number Theory'', GTM 138, Springer Verlag (1993), Appendix B2, p.507. The table lists fields by [[Real quadratic field#Discriminant|discriminant]], which is 4''p'' for '''Q'''[&radic;''p''] when ''p'' is [[modular arithmetic|congruent]] to 3 modulo 4, as is the case for 79, so the entry appears at discriminant 316.</ref>
*A [[cousin prime]] with [[83 (number)|83]]
*An [[emirp]], because the reverse of 79, [[97 (number)|97]], is also a prime
*A [[fortunate prime]]
*A prime number that is also a [[Gaussian prime]] (since it is of the form <math>4n + 3</math>)
*A [[happy prime]]
*A [[Higgs prime]]
*A [[Kynea number|Kynea prime]] (<math>(2n + 1)^2-2</math>)
*A [[lucky prime]]
*A [[permutable prime]], with [[97 (number)|ninety-seven]]
*A [[Pillai prime]], because 23[[Factorial|!]] + 1 is [[divisible]] by 79, but 79 is not one more than a [[Multiple (mathematics)|multiple]] of [[23 (number)|23]]
*A [[regular prime]]
*A prime in a [[Dirichlet's theorem on arithmetic progressions|residue classes]] 4n+3, 8n+7, and 10n+9
*A [[right-truncatable prime]], because when the last digit (9) is removed, the remaining number (7) is still prime
*A [[sexy prime]] (with [[73 (number)|73]])
*The ''n'' value of the [[Wagstaff prime]] 201487636602438195784363


==In science==
Roberto is the name I love to be rang with although it definitely is not the name forward my birth certificate. My friends say it's not good for me but the things that I love doing should be to drive but I have been taking on innovative new things lately. South Carolina is where my brand new home is. I used to be unemployed but at the moment I am a cashier but the [http://Mondediplo.com/spip.php?page=recherche&recherche=promotion promotion] definitely comes. I've been working on my current website for some a period of time now. Check it out side here: http://circuspartypanama.com<br><br>Also visit my web page: [http://circuspartypanama.com Hack Clash Of Clans Iphone]
The [[atomic number]] of the [[chemical element]] [[gold]] (Au) is 79.
 
===In astronomy===
*[[Messier 79|Messier object 79]] (M79), a [[visual magnitude|magnitude 8.5]] [[globular cluster]] in the [[constellation]] [[Lepus (constellation)|Lepus]]
*[[List of NGC objects (1-999)|New General Catalogue object 79]] (NGC 79), a [[galaxy]] in the constellation [[Andromeda (constellation)|Andromeda]]
*[[Saros cycle|Saros series]] 79, which began on -434 May 21 and ended on 828 June 16, lasting 1262.1 years, and with 71 [[lunar eclipse]]s
*[[Saros cycle|Saros series]] 79, which began on -150 February 16 and ended on 1166 April 12, lasting 1316.2 years, and with 74 [[lunar eclipse]]s
 
==In other fields==
* [[Live Seventy Nine]], an album by [[Hawkwind]]
* The years [[79|79 AD]] (or CE), [[79 BC]](E), or [[1979]]
* Any of several [[List of highways numbered 79|highways numbered 79]]
* The record cumulative weeks at #1 on the [[Billboard (magazine)|Billboard]] charts, held by [[Elvis Presley]]
* The number of the [[Departments of France|French department]] [[Deux-Sèvres]]
 
==References==
{{Reflist}}
 
{{Integers|zero}}
 
{{DEFAULTSORT:79 (Number)}}
[[Category:Integers]]

Revision as of 19:01, 10 February 2014


Roberto is the name I love to be rang with although it definitely is not the name forward my birth certificate. My friends say it's not good for me but the things that I love doing should be to drive but I have been taking on innovative new things lately. South Carolina is where my brand new home is. I used to be unemployed but at the moment I am a cashier but the promotion definitely comes. I've been working on my current website for some a period of time now. Check it out side here: http://circuspartypanama.com

Also visit my web page: Hack Clash Of Clans Iphone