40 (angka): Perbedaan antara revisi
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Baris 8:
| [[Angka Kardinal|Kardinal]] || 40<br>empat puluh
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| [[Angka Ordinal (linguistik)|Ordinal]] || ke-40 (
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| [[Faktorisasi prima]] || <math> 2^3 \cdot 5 </math>
Baris 39:
* [[10 (angka)|10]]
* [[20 (angka)|20]]
*
== Matematika ==
Baris 45:
<!--*Given 40, the [[Mertens function]] returns [[0 (number)|0]].<ref>{{Cite web|url=https://oeis.org/A028442|title=Sloane's A028442 : Numbers n such that Mertens' function is zero|last=|first=|date=|website=The On-Line Encyclopedia of Integer Sequences|publisher=OEIS Foundation|access-date=2016-05-31}}</ref> 40 is the smallest number ''n'' with exactly 9 solutions to the equation [[Euler's totient function|φ]](''x'') = ''n''.
*Forty is the number of [[eight queens puzzle|''n''-queens problem]] solutions for ''n'' = 7.-->
* 40 adalah suatu [[
== Ilmu alam ==
Baris 137:
'''Empat puluh''' juga dijumpai pada:
<!--*Literally in other fields, after the Civil War, there were plans to offer the freed slaves [[40 acres and a mule]].-->
* ''Untuk mengerti orang, Anda harus diam di antara mereka selama 40 hari. ''~ suatu pepatah Arab''<ref>{{cite book|last=Dallal|first=Tamalyn|title=40 Days & 1001 Nights|url=https://archive.org/details/40days1001nights0000dall|publisher=Melati Press|year=2007|location=Seattle|pages=back cover|isbn=978-0-9795155-0-7|nopp=true}}</ref><ref>{{cite web|url=http://www.40daysand1001nights.com|title=40 Days & 1001 Nights - ''One Woman's Dance Through Life in the Islamic World''}}</ref>
* kaliber peluru pada sejumlah senjata api, yang terkenal antara lain [[.40 S&W]]. ([[
* Suatu [[pepatah]] "Hidup dimulai pada usia empat puluh"
<!--* in the expression "[[forty winks]]", meaning a short sleep-->
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