Triangular number

Quality:

Triangular number - figurate number. Article “Triangular number” in English Wikipedia has 54.3 points for quality (as of July 1, 2026). The article contains 23 references and 9 sections.

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

In June 2026 the article “Triangular number” was edited by 1 authors in English Wikipedia and written by 5 authors in all languages.

Since the creation of article “Triangular number”, its content was written by 397 registered users of English Wikipedia and edited by 1333 registered Wikipedia users in all languages.

The article is cited 472 times in English Wikipedia and cited 3273 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #1061 in April 2003
• Global: #2880 in April 2003

The highest popularity rank from 2008:

• Local (English): #2869 in March 2013
• Global: #4819 in September 2009

There are 42 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	Malay (ms) Nombor segi tiga		74.1669
2	English (en) Triangular number		54.2506
3	Finnish (fi) Kolmioluku		53.5262
4	German (de) Dreieckszahl		50.094
5	Russian (ru) Треугольное число		50.0022
6	Greek (el) Τρίγωνος αριθμός		46.101
7	Tamil (ta) முக்கோண எண்		43.6527
8	French (fr) Nombre triangulaire		42.9269
9	Latin (la) Numerus triangularis		38.5497
10	Polish (pl) Liczby trójkątne		31.9332

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

#	Language	Popularity award	Relative popularity
1	English (en) Triangular number		4 822 873
2	Spanish (es) Número triangular		682 933
3	German (de) Dreieckszahl		572 120
4	Japanese (ja) 三角数		367 665
5	Russian (ru) Треугольное число		322 056
6	French (fr) Nombre triangulaire		307 545
7	Portuguese (pt) Número triangular		297 209
8	Italian (it) Numero triangolare		229 913
9	Chinese (zh) 三角形數		216 316
10	Dutch (nl) Driehoeksgetal		119 510

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) Triangular number		16 626
2	German (de) Dreieckszahl		1 000
3	Japanese (ja) 三角数		727
4	Russian (ru) Треугольное число		692
5	French (fr) Nombre triangulaire		555
6	Chinese (zh) 三角形數		516
7	Spanish (es) Número triangular		422
8	Italian (it) Numero triangolare		393
9	Portuguese (pt) Número triangular		305
10	Dutch (nl) Driehoeksgetal		261

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

#	Language	AI award	Relative AI
1	English (en) Triangular number		397
2	German (de) Dreieckszahl		122
3	Italian (it) Numero triangolare		77
4	Spanish (es) Número triangular		61
5	French (fr) Nombre triangulaire		61
6	Russian (ru) Треугольное число		55
7	Japanese (ja) 三角数		50
8	Dutch (nl) Driehoeksgetal		49
9	Chinese (zh) 三角形數		38
10	Portuguese (pt) Número triangular		35

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	Arabic (ar) عدد مثلثي		2
2	German (de) Dreieckszahl		1
3	English (en) Triangular number		1
4	Russian (ru) Треугольное число		1
5	Azerbaijani (az) Üçbucaq ədədləri		0
6	Bulgarian (bg) Триъгълно число		0
7	Catalan (ca) Nombre triangular		0
8	Czech (cs) Trojúhelníkové číslo		0
9	Danish (da) Trekanttal		0
10	Greek (el) Τρίγωνος αριθμός		0

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

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In English Wikipedia the most popular articles on that day were: 2026 FIFA World Cup, Harry Kane, Julián Quiñones, List of FIFA World Cup top goalscorers, Kylian Mbappé, Democratic Republic of the Congo, Erling Haaland, DR Congo national football team, Melat Kiros, FIFA World Cup.

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