3-sphere

3-sphere - 3-dimensional compact manifold, defined as the points of unit norm in Euclidean 4-space. Article “3-sphere” in English Wikipedia has 43.7 points for quality (as of July 1, 2025). The article contains 7 references and 18 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 2.3 points.

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

Since the creation of article “3-sphere”, its content was written by 168 registered users of English Wikipedia and edited by 346 registered Wikipedia users in all languages.

The article is cited 193 times in English Wikipedia and cited 592 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #3198 in June 2004
• Global: #5276 in February 2002

The highest popularity rank from 2008:

• Local (English): #74366 in March 2010
• Global: #85480 in March 2010

There are 14 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) 3-sphere		43.6791
2	French (fr) 3-sphère		24.552
3	Japanese (ja) 三次元球面		22.2532
4	Spanish (es) 3-esfera		20.4694
5	Greek (el) 3-σφαίρα		15.8185
6	Russian (ru) Трёхмерная сфера		15.2909
7	German (de) 3-Sphäre		14.6506
8	Korean (ko) 3차원 초구		13.1566
9	Italian (it) 3-sfera		12.7156
10	Esperanto (eo) 3-sfero		10.8415

More...

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

The most popular language versions of the article "3-sphere" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) 3-sphere		1 332 640
2	Spanish (es) 3-esfera		229 126
3	Russian (ru) Трёхмерная сфера		151 029
4	French (fr) 3-sphère		100 881
5	Japanese (ja) 三次元球面		51 930
6	Portuguese (pt) Esfera tridimensional		48 476
7	Italian (it) 3-sfera		44 081
8	German (de) 3-Sphäre		39 814
9	Chinese (zh) 三維球面		34 756
10	Greek (el) 3-σφαίρα		6 306

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 "3-sphere" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) 3-sphere		5 256
2	Russian (ru) Трёхмерная сфера		944
3	Japanese (ja) 三次元球面		494
4	French (fr) 3-sphère		395
5	Spanish (es) 3-esfera		331
6	German (de) 3-Sphäre		206
7	Italian (it) 3-sfera		193
8	Chinese (zh) 三維球面		152
9	Portuguese (pt) Esfera tridimensional		97
10	Ukrainian (uk) 3-сфера		44

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

Language versions of the article "3-sphere" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) 3-sphere		168
2	Spanish (es) 3-esfera		34
3	French (fr) 3-sphère		29
4	Russian (ru) Трёхмерная сфера		20
5	German (de) 3-Sphäre		14
6	Italian (it) 3-sfera		14
7	Dutch (nl) 3-sfeer		12
8	Portuguese (pt) Esfera tridimensional		11
9	Japanese (ja) 三次元球面		10
10	Ukrainian (uk) 3-сфера		9

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 "3-sphere" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Italian (it) 3-sfera		1
2	German (de) 3-Sphäre		0
3	Greek (el) 3-σφαίρα		0
4	English (en) 3-sphere		0
5	Esperanto (eo) 3-sfero		0
6	Spanish (es) 3-esfera		0
7	French (fr) 3-sphère		0
8	Japanese (ja) 三次元球面		0
9	Korean (ko) 3차원 초구		0
10	Dutch (nl) 3-sfeer		0

More...

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

Language versions of the article "3-sphere" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) 3-sphere		193
2	Spanish (es) 3-esfera		60
3	Russian (ru) Трёхмерная сфера		59
4	French (fr) 3-sphère		43
5	Ukrainian (uk) 3-сфера		39
6	Portuguese (pt) Esfera tridimensional		32
7	Japanese (ja) 三次元球面		31
8	Chinese (zh) 三維球面		31
9	Esperanto (eo) 3-sfero		28
10	German (de) 3-Sphäre		26

More...

#	Language	Value
de	German 3-Sphäre
el	Greek 3-σφαίρα
en	English 3-sphere
eo	Esperanto 3-sfero
es	Spanish 3-esfera
fr	French 3-sphère
it	Italian 3-sfera
ja	Japanese 三次元球面
ko	Korean 3차원 초구
nl	Dutch 3-sfeer
pt	Portuguese Esfera tridimensional
ru	Russian Трёхмерная сфера
uk	Ukrainian 3-сфера
zh	Chinese 三維球面

Best Rank

English: #74366 03.2010

Global: #85480 03.2010

Best Rank

English: #3198 06.2004

Global: #5276 02.2002

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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