645

645 - natural number. Article “645” in Korean Wikipedia has 10.4 points for quality (as of July 1, 2026). The article contains 0 references and 9 sections.

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

Since the creation of article “645”, its content was written by 3 registered users of Korean Wikipedia and edited by 33 registered Wikipedia users in all languages.

The article is cited 14 times in Korean Wikipedia and cited 4723 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Korean): #4392 in February 2025
• Global: #349785 in November 2015

The highest popularity rank from 2008:

• Local (Korean): #38021 in January 2008
• Global: #2397501 in February 2021

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	Uzbek (uz) 645 (son)		24.5115
2	Swedish (sv) 645 (tal)		15.3237
3	Korean (ko) 645		10.4433
4	Hungarian (hu) 645 (szám)		10.0005
5	Czech (cs) 645 (číslo)		6.1551
6	Italian (it) 645 (numero)		3.803
7	Japanese (ja) 645		2.5484
8	Urdu (ur) 645 (عدد)		1.6309
9	Malay (ms) 645 (nombor)		0.2226

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

The most popular language versions of the article "645" in all the time

#	Language	Popularity award	Relative popularity
1	Korean (ko) 645		6 473
2	Japanese (ja) 645		5 017
3	Czech (cs) 645 (číslo)		1 490
4	Hungarian (hu) 645 (szám)		1 035
5	Italian (it) 645 (numero)		817
6	Malay (ms) 645 (nombor)		540
7	Urdu (ur) 645 (عدد)		526
8	Uzbek (uz) 645 (son)		240
9	Swedish (sv) 645 (tal)		226

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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 "645" in June 2026

#	Language	Popularity award	Relative popularity
1	Japanese (ja) 645		18
2	Czech (cs) 645 (číslo)		10
3	Hungarian (hu) 645 (szám)		10
4	Korean (ko) 645		8
5	Swedish (sv) 645 (tal)		6
6	Italian (it) 645 (numero)		4
7	Uzbek (uz) 645 (son)		3
8	Malay (ms) 645 (nombor)		2
9	Urdu (ur) 645 (عدد)		2

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

Language versions of the article "645" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	Japanese (ja) 645		8
2	Czech (cs) 645 (číslo)		5
3	Hungarian (hu) 645 (szám)		4
4	Italian (it) 645 (numero)		4
5	Korean (ko) 645		3
6	Uzbek (uz) 645 (son)		3
7	Malay (ms) 645 (nombor)		2
8	Swedish (sv) 645 (tal)		2
9	Urdu (ur) 645 (عدد)		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 "645" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Czech (cs) 645 (číslo)		0
2	Hungarian (hu) 645 (szám)		0
3	Italian (it) 645 (numero)		0
4	Japanese (ja) 645		0
5	Korean (ko) 645		0
6	Malay (ms) 645 (nombor)		0
7	Swedish (sv) 645 (tal)		0
8	Urdu (ur) 645 (عدد)		0
9	Uzbek (uz) 645 (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 "645" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Urdu (ur) 645 (عدد)		3 543
2	Uzbek (uz) 645 (son)		911
3	Hungarian (hu) 645 (szám)		118
4	Czech (cs) 645 (číslo)		102
5	Japanese (ja) 645		16
6	Korean (ko) 645		14
7	Italian (it) 645 (numero)		9
8	Swedish (sv) 645 (tal)		7
9	Malay (ms) 645 (nombor)		3

More...

#	Language	Value
cs	Czech 645 (číslo)
hu	Hungarian 645 (szám)
it	Italian 645 (numero)
ja	Japanese 645
ko	Korean 645
ms	Malay 645 (nombor)
sv	Swedish 645 (tal)
ur	Urdu 645 (عدد)
uz	Uzbek 645 (son)

Best Rank

Korean: #38021 01.2008

Global: #2397501 02.2021

Best Rank

Korean: #4392 02.2025

Global: #349785 11.2015

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 Korean Wikipedia the most popular articles on that day were: 문화방송, 김성훈 (1998년), 한국방송공사, 유튜브, 한성숙, 한국교육방송공사, 권오영 (1970년), 홍명보, 5·18 광주 민주화 운동, 다음.

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