Problem of Apollonius

Quality:

Problem of Apollonius - construct circles that are tangent to three given circles in a plane. Article “Problem of Apollonius” in English Wikipedia has 88.6 points for quality (as of July 1, 2025). The article contains 116 references and 22 sections.

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

Since the creation of article “Problem of Apollonius”, its content was written by 139 registered users of English Wikipedia and edited by 507 registered Wikipedia users in all languages.

The article is cited 304 times in English Wikipedia and cited 1107 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #1856 in November 2008
• Global: #5258 in November 2008

The highest popularity rank from 2008:

• Local (English): #5897 in November 2008
• Global: #13082 in November 2008

There are 20 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	Greek (el) Απολλώνιο πρόβλημα		95.9589
2	Catalan (ca) Problema d'Apol·loni		95.1313
3	Spanish (es) Problema de Apolonio		90.7938
4	English (en) Problem of Apollonius		88.5611
5	Japanese (ja) アポロニウスの問題		69.9284
6	German (de) Apollonisches Problem		59.5703
7	French (fr) Problème des contacts		37.985
8	Polish (pl) Problem Apoloniusza		33.216
9	Persian (fa) مسئله آپولونیوس		23.2687
10	Dutch (nl) Raakprobleem van Apollonius		22.7709

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

#	Language	Popularity award	Relative popularity
1	English (en) Problem of Apollonius		514 122
2	Spanish (es) Problema de Apolonio		220 249
3	Greek (el) Απολλώνιο πρόβλημα		125 666
4	German (de) Apollonisches Problem		104 475
5	Russian (ru) Задача Аполлония		59 124
6	French (fr) Problème des contacts		49 848
7	Japanese (ja) アポロニウスの問題		40 580
8	Italian (it) Problema di Apollonio		26 200
9	Chinese (zh) 阿波罗尼奥斯问题		22 118
10	Arabic (ar) مسألة أبولونيوس		19 457

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

#	Language	Popularity award	Relative popularity
1	English (en) Problem of Apollonius		2 821
2	Japanese (ja) アポロニウスの問題		382
3	Spanish (es) Problema de Apolonio		310
4	Greek (el) Απολλώνιο πρόβλημα		259
5	French (fr) Problème des contacts		242
6	German (de) Apollonisches Problem		192
7	Russian (ru) Задача Аполлония		164
8	Chinese (zh) 阿波罗尼奥斯问题		127
9	Czech (cs) Apolloniova úloha		118
10	Italian (it) Problema di Apollonio		78

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

#	Language	AI award	Relative AI
1	English (en) Problem of Apollonius		139
2	German (de) Apollonisches Problem		57
3	French (fr) Problème des contacts		55
4	Spanish (es) Problema de Apolonio		38
5	Italian (it) Problema di Apollonio		31
6	Russian (ru) Задача Аполлония		30
7	Greek (el) Απολλώνιο πρόβλημα		28
8	Dutch (nl) Raakprobleem van Apollonius		24
9	Japanese (ja) アポロニウスの問題		21
10	Polish (pl) Problem Apoloniusza		11

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

#	Language	AI award	Relative AI
1	German (de) Apollonisches Problem		2
2	Catalan (ca) Problema d'Apol·loni		1
3	Japanese (ja) アポロニウスの問題		1
4	Russian (ru) Задача Аполлония		1
5	Arabic (ar) مسألة أبولونيوس		0
6	Czech (cs) Apolloniova úloha		0
7	Greek (el) Απολλώνιο πρόβλημα		0
8	English (en) Problem of Apollonius		0
9	Spanish (es) Problema de Apolonio		0
10	Persian (fa) مسئله آپولونیوس		0

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

On 28 January 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2025–26 UEFA Champions League, Nipah virus, Doomsday Clock, UEFA Champions League, Elena Rybakina, Donald Trump, 2026 European Men's Handball Championship, killing of Alex Pretti, Kristi Noem, deaths in 2026.

In English Wikipedia the most popular articles on that day were: Ajit Pawar, Border 2, Sharad Pawar, Killing of Alex Pretti, Ilhan Omar, Sunetra Pawar, Todd Monken, Kristi Noem, Wonder Man (miniseries), Gregory Bovino.

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