Principal quantum number

Principal quantum number - one of four quantum numbers which are assigned to each electron in an atom to describe that electron's state. Article "Principal quantum number" in English Wikipedia has 15.4 points for quality (as of July 1, 2025). The article contains 3 references and 6 sections.

This article has the best quality in Serbian Wikipedia. However, this article is the most popular in English version.

Since the creation of article "Principal quantum number", its content was written by 105 registered users of English Wikipedia and edited by 422 registered Wikipedia users in all languages.

The article is cited 97 times in English Wikipedia and cited 740 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #11415 in March 2004
• Global: #8379 in March 2004

The highest popularity rank from 2008:

• Local (English): #48807 in October 2014
• Global: #44855 in October 2020

There are 30 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	Serbian (sr) Glavni kvantni broj		30.6176
2	Spanish (es) Número cuántico principal		16.4923
3	Hebrew (he) מספר קוונטי יסודי		16.0325
4	Portuguese (pt) Número quântico principal		15.886
5	English (en) Principal quantum number		15.3944
6	Turkish (tr) Baş kuantum sayısı		15.2584
7	Chinese (zh) 主量子數		13.5081
8	Romanian (ro) Număr cuantic principal		13.2267
9	Russian (ru) Главное квантовое число		10.8659
10	Catalan (ca) Nombre quàntic principal		10.5199

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

The most popular language versions of the article "Principal quantum number" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Principal quantum number		1 767 825
2	Russian (ru) Главное квантовое число		378 221
3	Spanish (es) Número cuántico principal		200 744
4	Italian (it) Numero quantico principale		180 555
5	French (fr) Nombre quantique principal		175 633
6	Arabic (ar) عدد كم رئيسي		174 637
7	Chinese (zh) 主量子數		165 884
8	Polish (pl) Główna liczba kwantowa		116 972
9	Turkish (tr) Baş kuantum sayısı		111 589
10	Hindi (hi) मुख्य क्वांटम संख्या		102 340

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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 "Principal quantum number" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Principal quantum number		3 258
2	Korean (ko) 주양자수		654
3	Spanish (es) Número cuántico principal		522
4	Russian (ru) Главное квантовое число		510
5	Chinese (zh) 主量子數		419
6	French (fr) Nombre quantique principal		225
7	Turkish (tr) Baş kuantum sayısı		188
8	Italian (it) Numero quantico principale		143
9	Arabic (ar) عدد كم رئيسي		112
10	Czech (cs) Hlavní kvantové číslo		95

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

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

#	Language	AI award	Relative AI
1	English (en) Principal quantum number		105
2	Italian (it) Numero quantico principale		44
3	Russian (ru) Главное квантовое число		31
4	French (fr) Nombre quantique principal		28
5	Arabic (ar) عدد كم رئيسي		21
6	Vietnamese (vi) Số lượng tử chính		19
7	Greek (el) Κύριος κβαντικός αριθμός		18
8	Chinese (zh) 主量子數		14
9	Korean (ko) 주양자수		11
10	Polish (pl) Główna liczba kwantowa		11

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

Language versions of the article "Principal quantum number" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Spanish (es) Número cuántico principal		1
2	Italian (it) Numero quantico principale		1
3	Arabic (ar) عدد كم رئيسي		0
4	Azerbaijani (az) Baş kvant ədədi		0
5	Bulgarian (bg) Главно квантово число		0
6	Catalan (ca) Nombre quàntic principal		0
7	Czech (cs) Hlavní kvantové číslo		0
8	Greek (el) Κύριος κβαντικός αριθμός		0
9	English (en) Principal quantum number		0
10	Esperanto (eo) Ĉefa kvantuma nombro		0

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

Language versions of the article "Principal quantum number" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Principal quantum number		97
2	Russian (ru) Главное квантовое число		72
3	Portuguese (pt) Número quântico principal		55
4	French (fr) Nombre quantique principal		53
5	Ukrainian (uk) Головне квантове число		48
6	Chinese (zh) 主量子數		46
7	Italian (it) Numero quantico principale		41
8	Arabic (ar) عدد كم رئيسي		32
9	Serbian (sr) Glavni kvantni broj		30
10	Spanish (es) Número cuántico principal		28

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#	Language	Value
ar	Arabic عدد كم رئيسي
az	Azerbaijani Baş kvant ədədi
bg	Bulgarian Главно квантово число
ca	Catalan Nombre quàntic principal
cs	Czech Hlavní kvantové číslo
el	Greek Κύριος κβαντικός αριθμός
en	English Principal quantum number
eo	Esperanto Ĉefa kvantuma nombro
es	Spanish Número cuántico principal
eu	Basque Zenbaki kuantiko nagusi
fa	Persian عدد کوانتومی اصلی
fi	Finnish Pääkvanttiluku
fr	French Nombre quantique principal
he	Hebrew מספר קוונטי יסודי
hi	Hindi मुख्य क्वांटम संख्या
hu	Hungarian Főkvantumszám
id	Indonesian Bilangan kuantum utama
it	Italian Numero quantico principale
ko	Korean 주양자수
pl	Polish Główna liczba kwantowa
pt	Portuguese Número quântico principal
ro	Romanian Număr cuantic principal
ru	Russian Главное квантовое число
sl	Slovenian Glavno kvantno število
sr	Serbian Glavni kvantni broj
sv	Swedish Huvudkvanttal
tr	Turkish Baş kuantum sayısı
uk	Ukrainian Головне квантове число
vi	Vietnamese Số lượng tử chính
zh	Chinese 主量子數

Best Rank

English: #48807 10.2014

Global: #44855 10.2020

Best Rank

English: #11415 03.2004

Global: #8379 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