Collatz-Problem

Quality:

Collatz conjecture - conjecture in mathematics that concerns sequences. Article “Collatz-Problem” in German Wikipedia has 71 points for quality (as of July 1, 2026). The article contains 51 references and 19 sections.

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

Since the creation of article “Collatz-Problem”, its content was written by 197 registered users of German Wikipedia and edited by 1779 registered Wikipedia users in all languages.

The article is cited 25 times in German Wikipedia and cited 612 times in all languages.

The highest Authors Interest rank from 2001:

• Local (German): #204 in June 2011
• Global: #1880 in August 2021

The highest popularity rank from 2008:

• Local (German): #805 in October 2021
• Global: #3219 in August 2021

There are 34 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, 2026 (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	Catalan (ca) Conjectura de Collatz		81.146
2	English (en) Collatz conjecture		77.2595
3	Chinese (zh) 考拉兹猜想		76.5037
4	Korean (ko) 콜라츠 추측		72.0008
5	German (de) Collatz-Problem		71.0345
6	Greek (el) Εικασία του Κόλατζ		63.9722
7	Japanese (ja) コラッツの問題		49.9896
8	French (fr) Conjecture de Syracuse		45.6446
9	Esperanto (eo) Konjekto de Collatz		38.0022
10	Persian (fa) حدس کولاتز		34.8247

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

#	Language	Popularity award	Relative popularity
1	English (en) Collatz conjecture		6 661 623
2	Japanese (ja) コラッツの問題		1 001 760
3	French (fr) Conjecture de Syracuse		966 593
4	German (de) Collatz-Problem		870 164
5	Russian (ru) Гипотеза Коллатца		519 711
6	Spanish (es) Conjetura de Collatz		424 942
7	Chinese (zh) 考拉兹猜想		265 690
8	Italian (it) Congettura di Collatz		236 845
9	Polish (pl) Problem Collatza		203 404
10	Portuguese (pt) Conjectura de Collatz		105 337

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) Collatz conjecture		30 320
2	Japanese (ja) コラッツの問題		5 669
3	Chinese (zh) 考拉兹猜想		3 266
4	French (fr) Conjecture de Syracuse		3 098
5	German (de) Collatz-Problem		2 854
6	Russian (ru) Гипотеза Коллатца		2 311
7	Spanish (es) Conjetura de Collatz		1 579
8	Italian (it) Congettura di Collatz		1 361
9	Polish (pl) Problem Collatza		635
10	Persian (fa) حدس کولاتز		454

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

#	Language	AI award	Relative AI
1	English (en) Collatz conjecture		605
2	German (de) Collatz-Problem		197
3	French (fr) Conjecture de Syracuse		170
4	Italian (it) Congettura di Collatz		85
5	Japanese (ja) コラッツの問題		76
6	Polish (pl) Problem Collatza		75
7	Chinese (zh) 考拉兹猜想		65
8	Spanish (es) Conjetura de Collatz		63
9	Russian (ru) Гипотеза Коллатца		56
10	Dutch (nl) Vermoeden van Collatz		37

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	English (en) Collatz conjecture		4
2	French (fr) Conjecture de Syracuse		3
3	Chinese (zh) 考拉兹猜想		3
4	Arabic (ar) حدسية كولاتز		1
5	Simple English (simple) Collatz conjecture		1
6	Catalan (ca) Conjectura de Collatz		0
7	Czech (cs) Collatzův problém		0
8	Danish (da) Collatz-formodningen		0
9	German (de) Collatz-Problem		0
10	Greek (el) Εικασία του Κόλατζ		0

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

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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 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information