421

421 - natural number. Article “421” in Korean Wikipedia has 15.9 points for quality (as of July 1, 2026). The article contains 1 references and 11 sections.

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

Since the creation of article “421”, its content was written by 3 registered users of Korean Wikipedia and edited by 76 registered Wikipedia users in all languages.

The article is cited 14 times in Korean Wikipedia and cited 5629 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Korean): #12182 in November 2024
• Global: #70928 in January 2017

The highest popularity rank from 2008:

• Local (Korean): #33912 in May 2008
• Global: #766837 in April 2015

There are 13 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	Russian (ru) 421 (число)		31.9828
2	Swedish (sv) 421 (tal)		25.741
3	Uzbek (uz) 421 (son)		19.0104
4	Korean (ko) 421		15.8928
5	Czech (cs) 421 (číslo)		5.0604
6	Dutch (nl) 421 (getal)		4.8528
7	Italian (it) 421 (numero)		3.8169
8	Japanese (ja) 421		2.5485
9	Urdu (ur) 421 (عدد)		1.6266
10	Hungarian (hu) 421 (szám)		1.4566

More...

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

The most popular language versions of the article "421" in all the time

#	Language	Popularity award	Relative popularity
1	Japanese (ja) 421		35 086
2	Russian (ru) 421 (число)		11 820
3	Korean (ko) 421		6 808
4	Italian (it) 421 (numero)		6 011
5	Czech (cs) 421 (číslo)		2 907
6	Hungarian (hu) 421 (szám)		2 292
7	Urdu (ur) 421 (عدد)		968
8	Malay (ms) 421 (nombor)		706
9	Swedish (sv) 421 (tal)		694
10	Vietnamese (vi) 421 (số)		608

More...

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 "421" in June 2026

#	Language	Popularity award	Relative popularity
1	Japanese (ja) 421		44
2	Russian (ru) 421 (число)		31
3	Korean (ko) 421		23
4	Italian (it) 421 (numero)		11
5	Swedish (sv) 421 (tal)		9
6	Czech (cs) 421 (číslo)		8
7	Dutch (nl) 421 (getal)		8
8	Hungarian (hu) 421 (szám)		5
9	Urdu (ur) 421 (عدد)		4
10	Malay (ms) 421 (nombor)		3

More...

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

Language versions of the article "421" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	Japanese (ja) 421		16
2	Russian (ru) 421 (число)		15
3	Italian (it) 421 (numero)		14
4	Swedish (sv) 421 (tal)		5
5	Hungarian (hu) 421 (szám)		4
6	Dutch (nl) 421 (getal)		4
7	Czech (cs) 421 (číslo)		3
8	Korean (ko) 421		3
9	Uzbek (uz) 421 (son)		3
10	Vietnamese (vi) 421 (số)		3

More...

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

Language versions of the article "421" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Czech (cs) 421 (číslo)		0
2	Basque (eu) Laurehun eta hogeita bat		0
3	Hungarian (hu) 421 (szám)		0
4	Italian (it) 421 (numero)		0
5	Japanese (ja) 421		0
6	Korean (ko) 421		0
7	Malay (ms) 421 (nombor)		0
8	Dutch (nl) 421 (getal)		0
9	Russian (ru) 421 (число)		0
10	Swedish (sv) 421 (tal)		0

More...

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

Language versions of the article "421" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Urdu (ur) 421 (عدد)		3 543
2	Uzbek (uz) 421 (son)		911
3	Vietnamese (vi) 421 (số)		599
4	Hungarian (hu) 421 (szám)		239
5	Swedish (sv) 421 (tal)		162
6	Czech (cs) 421 (číslo)		103
7	Japanese (ja) 421		32
8	Korean (ko) 421		14
9	Italian (it) 421 (numero)		11
10	Dutch (nl) 421 (getal)		6

More...

#	Language	Value
cs	Czech 421 (číslo)
eu	Basque Laurehun eta hogeita bat
hu	Hungarian 421 (szám)
it	Italian 421 (numero)
ja	Japanese 421
ko	Korean 421
ms	Malay 421 (nombor)
nl	Dutch 421 (getal)
ru	Russian 421 (число)
sv	Swedish 421 (tal)
ur	Urdu 421 (عدد)
uz	Uzbek 421 (son)
vi	Vietnamese 421 (số)

Best Rank

Korean: #33912 05.2008

Global: #766837 04.2015

Best Rank

Korean: #12182 11.2024

Global: #70928 01.2017

On 16 March 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 98th Academy Awards, Michael B. Jordan, Sinners, Jessie Buckley, Paul Thomas Anderson, Sean Penn, One Battle After Another, Amy Madigan, Hamnet, Timothée Chalamet.

In Korean Wikipedia the most popular articles on that day were: 문화방송, 한국방송공사, 함돈균, 한국교육방송공사, 유영철, 유튜브, 대한민국에서 건물주 되는 법, 엄흥도, 미혼남녀의 효율적 만남 (드라마), 기후정의.

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