Fattore sigma

Sigma factor - class of proteins. Article “Fattore sigma” in Italian Wikipedia has 4.2 points for quality (as of July 1, 2025). The article contains 0 references and 3 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (Italian) language version.

Since the creation of article “Fattore sigma”, its content was written by 15 registered users of Italian Wikipedia and edited by 214 registered Wikipedia users in all languages.

The article is cited 5 times in Italian Wikipedia and cited 1860 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Italian): #10822 in February 2011
• Global: #17599 in March 2004

The highest popularity rank from 2008:

• Local (Italian): #97770 in February 2016
• Global: #126023 in October 2013

There are 19 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Sigma factor		55.4023
2	Turkish (tr) Sigma faktörü		33.2422
3	Vietnamese (vi) Yếu tố sigma		28.8249
4	Russian (ru) Сигма-фактор		26.1131
5	Galician (gl) Factor sigma		25.4676
6	Slovak (sk) Faktor sigma		25.2323
7	Catalan (ca) Factor sigma		24.7713
8	Chinese (zh) Σ因子		23.5369
9	Korean (ko) 시그마 인자		23.1076
10	Ukrainian (uk) Сигма-фактор		21.078

More...

The following table shows the most popular language versions of the article.

The most popular language versions of the article "Fattore sigma" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Sigma factor		1 131 418
2	German (de) Sigma-Faktoren		149 901
3	Spanish (es) Factor sigma		98 643
4	Italian (it) Fattore sigma		61 369
5	Japanese (ja) シグマ因子		58 764
6	Chinese (zh) Σ因子		32 084
7	Portuguese (pt) Fator sigma		32 009
8	Russian (ru) Сигма-фактор		14 558
9	Dutch (nl) Sigmafactor		14 443
10	Korean (ko) 시그마 인자		10 712

More...

The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Fattore sigma" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Sigma factor		1 370
2	Russian (ru) Сигма-фактор		137
3	Italian (it) Fattore sigma		116
4	Japanese (ja) シグマ因子		114
5	Korean (ko) 시그마 인자		106
6	Chinese (zh) Σ因子		104
7	Spanish (es) Factor sigma		87
8	German (de) Sigma-Faktoren		85
9	Vietnamese (vi) Yếu tố sigma		42
10	Czech (cs) Sigma faktor		37

More...

The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Fattore sigma" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Sigma factor		70
2	German (de) Sigma-Faktoren		40
3	Italian (it) Fattore sigma		15
4	Portuguese (pt) Fator sigma		11
5	Dutch (nl) Sigmafactor		10
6	Arabic (ar) عامل سيغما		7
7	Finnish (fi) Sigmafaktori		7
8	Slovak (sk) Faktor sigma		7
9	Ukrainian (uk) Сигма-фактор		7
10	Spanish (es) Factor sigma		6

More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Fattore sigma" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Arabic (ar) عامل سيغما		0
2	Catalan (ca) Factor sigma		0
3	Czech (cs) Sigma faktor		0
4	German (de) Sigma-Faktoren		0
5	English (en) Sigma factor		0
6	Spanish (es) Factor sigma		0
7	Finnish (fi) Sigmafaktori		0
8	Galician (gl) Factor sigma		0
9	Italian (it) Fattore sigma		0
10	Japanese (ja) シグマ因子		0

More...

The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Fattore sigma" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Sigma factor		900
2	Ukrainian (uk) Сигма-фактор		687
3	Chinese (zh) Σ因子		99
4	Slovak (sk) Faktor sigma		38
5	Galician (gl) Factor sigma		19
6	Arabic (ar) عامل سيغما		17
7	Russian (ru) Сигма-фактор		17
8	Spanish (es) Factor sigma		14
9	German (de) Sigma-Faktoren		13
10	Japanese (ja) シグマ因子		11

More...

#	Language	Value
ar	Arabic عامل سيغما
ca	Catalan Factor sigma
cs	Czech Sigma faktor
de	German Sigma-Faktoren
en	English Sigma factor
es	Spanish Factor sigma
fi	Finnish Sigmafaktori
gl	Galician Factor sigma
it	Italian Fattore sigma
ja	Japanese シグマ因子
ko	Korean 시그마 인자
nl	Dutch Sigmafactor
pt	Portuguese Fator sigma
ru	Russian Сигма-фактор
sk	Slovak Faktor sigma
tr	Turkish Sigma faktörü
uk	Ukrainian Сигма-фактор
vi	Vietnamese Yếu tố sigma
zh	Chinese Σ因子

Best Rank

Italian: #97770 02.2016

Global: #126023 10.2013

Best Rank

Italian: #10822 02.2011

Global: #17599 03.2004

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information