840

840 - natural number. Article “840” in Japanese Wikipedia has 3.7 points for quality (as of July 1, 2026). The article contains 0 references and 4 sections.

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

Since the creation of article “840”, its content was written by 19 registered users of Japanese Wikipedia and edited by 57 registered Wikipedia users in all languages.

The article is cited 59 times in Japanese Wikipedia and cited 5149 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Japanese): #8521 in February 2017
• Global: #163251 in September 2014

The highest popularity rank from 2008:

• Local (Japanese): #164908 in October 2015
• Global: #1023776 in October 2015

There are 9 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	English (en) 840 (number)		24.4528
2	Uzbek (uz) 840 (son)		21.7036
3	Hungarian (hu) 840 (szám)		13.9236
4	Czech (cs) 840 (číslo)		5.28
5	Korean (ko) 840		4.7389
6	Italian (it) 840 (numero)		4.2384
7	Japanese (ja) 840		3.6546
8	Urdu (ur) 840 (عدد)		1.6478
9	Malay (ms) 840 (nombor)		0.2147

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

The most popular language versions of the article "840" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) 840 (number)		39 024
2	Japanese (ja) 840		19 382
3	Hungarian (hu) 840 (szám)		2 305
4	Korean (ko) 840		2 215
5	Italian (it) 840 (numero)		1 902
6	Uzbek (uz) 840 (son)		1 649
7	Czech (cs) 840 (číslo)		849
8	Malay (ms) 840 (nombor)		565
9	Urdu (ur) 840 (عدد)		478

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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 "840" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) 840 (number)		167
2	Japanese (ja) 840		36
3	Italian (it) 840 (numero)		22
4	Korean (ko) 840		18
5	Hungarian (hu) 840 (szám)		10
6	Malay (ms) 840 (nombor)		9
7	Czech (cs) 840 (číslo)		4
8	Uzbek (uz) 840 (son)		3
9	Urdu (ur) 840 (عدد)		1

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

Language versions of the article "840" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	Japanese (ja) 840		19
2	English (en) 840 (number)		17
3	Hungarian (hu) 840 (szám)		4
4	Italian (it) 840 (numero)		4
5	Korean (ko) 840		4
6	Czech (cs) 840 (číslo)		3
7	Malay (ms) 840 (nombor)		2
8	Urdu (ur) 840 (عدد)		2
9	Uzbek (uz) 840 (son)		2

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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 "840" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Czech (cs) 840 (číslo)		0
2	English (en) 840 (number)		0
3	Hungarian (hu) 840 (szám)		0
4	Italian (it) 840 (numero)		0
5	Japanese (ja) 840		0
6	Korean (ko) 840		0
7	Malay (ms) 840 (nombor)		0
8	Urdu (ur) 840 (عدد)		0
9	Uzbek (uz) 840 (son)		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 "840" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Urdu (ur) 840 (عدد)		3 543
2	Uzbek (uz) 840 (son)		911
3	English (en) 840 (number)		418
4	Czech (cs) 840 (číslo)		101
5	Hungarian (hu) 840 (szám)		88
6	Japanese (ja) 840		59
7	Korean (ko) 840		17
8	Italian (it) 840 (numero)		9
9	Malay (ms) 840 (nombor)		3

More...

#	Language	Value
cs	Czech 840 (číslo)
en	English 840 (number)
hu	Hungarian 840 (szám)
it	Italian 840 (numero)
ja	Japanese 840
ko	Korean 840
ms	Malay 840 (nombor)
ur	Urdu 840 (عدد)
uz	Uzbek 840 (son)

Best Rank

Japanese: #164908 10.2015

Global: #1023776 10.2015

Best Rank

Japanese: #8521 02.2017

Global: #163251 09.2014

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 Japanese Wikipedia the most popular articles on that day were: 橋本愛 (1996年生), 超ときめき♡宣伝部, 塩貝健人, 鈴木彩艶, 泉里香, 谷口彰悟, 田中みな実, 佐野海舟, アーリング・ハーランド, 後藤輝樹.

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