400

400 - natural number. Article “400” in Japanese Wikipedia has 11 points for quality (as of July 1, 2026). The article contains 2 references and 10 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 “400”, its content was written by 74 registered users of Japanese Wikipedia and edited by 731 registered Wikipedia users in all languages.

The article is cited 263 times in Japanese Wikipedia and cited 12027 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Japanese): #220 in May 2022
• Global: #10433 in May 2022

The highest popularity rank from 2008:

• Local (Japanese): #96563 in September 2023
• Global: #24141 in July 2014

There are 32 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) 400 (number)		69.906
2	Romanian (ro) 400 (număr)		25.0471
3	Malay (ms) 400 (nombor)		20.8857
4	Polish (pl) 400 (liczba)		18.4241
5	Korean (ko) 400		18.3929
6	Chinese (zh) 400		16.0537
7	Bulgarian (bg) 400 (число)		14.4468
8	Norwegian (no) 400 (tall)		14.4036
9	Swedish (sv) 400 (tal)		14.233
10	Uzbek (uz) 400 (son)		12.5715

More...

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

The most popular language versions of the article "400" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) 400 (number)		2 983 755
2	Spanish (es) Cuatrocientos		195 120
3	Chinese (zh) 400		168 681
4	Japanese (ja) 400		146 099
5	Arabic (ar) 400 (عدد)		105 670
6	Indonesian (id) 400 (angka)		24 639
7	Italian (it) 400 (numero)		21 478
8	Korean (ko) 400		18 299
9	Hebrew (he) 400 (מספר)		17 999
10	Hungarian (hu) 400 (szám)		16 289

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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 "400" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) 400 (number)		5 169
2	Chinese (zh) 400		1 772
3	Japanese (ja) 400		491
4	Spanish (es) Cuatrocientos		271
5	Italian (it) 400 (numero)		126
6	Korean (ko) 400		65
7	Persian (fa) ۴۰۰ (عدد)		57
8	Indonesian (id) 400 (angka)		49
9	Simple English (simple) 400 (number)		42
10	Vietnamese (vi) 400 (số)		38

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

Language versions of the article "400" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) 400 (number)		411
2	Japanese (ja) 400		74
3	Vietnamese (vi) 400 (số)		31
4	Arabic (ar) 400 (عدد)		30
5	Chinese (zh) 400		27
6	Hungarian (hu) 400 (szám)		24
7	Korean (ko) 400		17
8	Hebrew (he) 400 (מספר)		15
9	Italian (it) 400 (numero)		13
10	Spanish (es) Cuatrocientos		12

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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 "400" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	English (en) 400 (number)		2
2	Spanish (es) Cuatrocientos		1
3	Georgian (ka) 400 (რიცხვი)		1
4	Arabic (ar) 400 (عدد)		0
5	Azerbaijani (az) 400 (ədəd)		0
6	Bulgarian (bg) 400 (число)		0
7	Catalan (ca) Quatre-cents		0
8	Czech (cs) 400 (číslo)		0
9	Basque (eu) Laurehun		0
10	Persian (fa) ۴۰۰ (عدد)		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 "400" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Urdu (ur) 400 (عدد)		3 546
2	Vietnamese (vi) 400 (số)		1 201
3	Korean (ko) 400		997
4	Uzbek (uz) 400 (son)		911
5	Hungarian (hu) 400 (szám)		820
6	English (en) 400 (number)		794
7	Chinese (zh) 400		683
8	Arabic (ar) 400 (عدد)		611
9	Basque (eu) Laurehun		408
10	Turkish (tr) 400 (sayı)		353

More...

#	Language	Value
ar	Arabic 400 (عدد)
az	Azerbaijani 400 (ədəd)
bg	Bulgarian 400 (число)
ca	Catalan Quatre-cents
cs	Czech 400 (číslo)
en	English 400 (number)
es	Spanish Cuatrocientos
eu	Basque Laurehun
fa	Persian ۴۰۰ (عدد)
he	Hebrew 400 (מספר)
hi	Hindi ४०० (संख्या)
hu	Hungarian 400 (szám)
id	Indonesian 400 (angka)
it	Italian 400 (numero)
ja	Japanese 400
ka	Georgian 400 (რიცხვი)
ko	Korean 400
ms	Malay 400 (nombor)
no	Norwegian 400 (tall)
pl	Polish 400 (liczba)
ro	Romanian 400 (număr)
simple	Simple English 400 (number)
sl	Slovenian 400 (število)
sv	Swedish 400 (tal)
th	Thai 400
tr	Turkish 400 (sayı)
uk	Ukrainian 400 (число)
ur	Urdu 400 (عدد)
uz	Uzbek 400 (son)
vi	Vietnamese 400 (số)
zh	Chinese 400
zhminnan	Min Nan 400

Best Rank

Japanese: #96563 09.2023

Global: #24141 07.2014

Best Rank

Japanese: #220 05.2022

Global: #10433 05.2022

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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