21 (number)

en

WikiRank.net
ver. 1.6.2

21 (number)

Quality:

21 - natural number. Article “21 (number)” in English Wikipedia has 43.6 points for quality (as of July 1, 2025). The article contains 21 references and 8 sections.

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

In June 2025 the article “21 (number)” was edited by 3 authors in English Wikipedia and written by 10 authors in all languages.

Since the creation of article “21 (number)”, its content was written by 375 registered users of English Wikipedia and edited by 1456 registered Wikipedia users in all languages.

The article is cited 423 times in English Wikipedia and cited 9847 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #979 in February 2004
  • Global: #2075 in December 2010

The highest popularity rank from 2008:

  • Local (English): #2036 in March 2015
  • Global: #1139 in July 2008

There are 45 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, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
21 (number)
43.5936
2Romanian (ro)
21 (număr)
31.2386
3Hindi (hi)
२१ (संख्या)
30.3275
4Finnish (fi)
21 (luku)
29.3437
5Basque (eu)
Hogeita bat
27.6219
6Bulgarian (bg)
21 (число)
26.5674
7Catalan (ca)
Vint-i-u
26.2924
8Chinese (zh)
21
22.3217
9Arabic (ar)
21 (عدد)
22.1729
10Swedish (sv)
21 (tal)
18.4666
More...

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

Most popular in all the time

The most popular language versions of the article "21 (number)" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
21 (number)
1 314 105
2Chinese (zh)
21
639 724
3Japanese (ja)
21
493 216
4Spanish (es)
Veintiuno
388 195
5French (fr)
21 (nombre)
196 350
6Russian (ru)
21 (число)
171 136
7Italian (it)
21 (numero)
150 587
8Polish (pl)
21 (liczba)
60 051
9Dutch (nl)
21 (getal)
55 133
10German (de)
Einundzwanzig
46 978
More...

The following table shows the language versions of the article with the highest popularity in the last month.

Most popular in June 2025

The most popular language versions of the article "21 (number)" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
21 (number)
5 695
2Japanese (ja)
21
828
3French (fr)
21 (nombre)
819
4Russian (ru)
21 (число)
665
5Simple English (simple)
21 (number)
531
6Spanish (es)
Veintiuno
340
7Italian (it)
21 (numero)
300
8Chinese (zh)
21
288
9Korean (ko)
21
170
10Vietnamese (vi)
21 (số)
151
More...

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

The highest AI

Language versions of the article "21 (number)" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
21 (number)
375
2French (fr)
21 (nombre)
125
3Italian (it)
21 (numero)
101
4Japanese (ja)
21
81
5Russian (ru)
21 (число)
72
6Dutch (nl)
21 (getal)
69
7Spanish (es)
Veintiuno
47
8Norwegian (no)
21 (tall)
46
9Hebrew (he)
21 (מספר)
41
10Danish (da)
21 (tal)
37
More...

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

The highest AI in June 2025

Language versions of the article "21 (number)" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
21 (number)
3
2Korean (ko)
21
2
3Polish (pl)
21 (liczba)
2
4German (de)
Einundzwanzig
1
5Italian (it)
21 (numero)
1
6Japanese (ja)
21
1
7Arabic (ar)
21 (عدد)
0
8Azerbaijani (az)
21 (ədəd)
0
9Bulgarian (bg)
21 (число)
0
10Catalan (ca)
Vint-i-u
0
More...

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

The highest CI

Language versions of the article "21 (number)" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Urdu (ur)
21 (عدد)
3 567
2Korean (ko)
21
1 174
3Uzbek (uz)
21 (son)
919
4Vietnamese (vi)
21 (số)
601
5Arabic (ar)
21 (عدد)
517
6Hungarian (hu)
21 (szám)
456
7English (en)
21 (number)
423
8Romanian (ro)
21 (număr)
320
9Persian (fa)
۲۱ (عدد)
280
10Japanese (ja)
21
245
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
arArabic
21 (عدد)
azAzerbaijani
21 (ədəd)
bgBulgarian
21 (число)
caCatalan
Vint-i-u
csCzech
21 (číslo)
daDanish
21 (tal)
deGerman
Einundzwanzig
elGreek
21 (αριθμός)
enEnglish
21 (number)
eoEsperanto
21 (nombro)
esSpanish
Veintiuno
euBasque
Hogeita bat
faPersian
۲۱ (عدد)
fiFinnish
21 (luku)
frFrench
21 (nombre)
heHebrew
21 (מספר)
hiHindi
२१ (संख्या)
huHungarian
21 (szám)
hyArmenian
21 (թիվ)
idIndonesian
21 (angka)
itItalian
21 (numero)
jaJapanese
21
kaGeorgian
21 (რიცხვი)
koKorean
21
laLatin
Viginti unus
ltLithuanian
21 (skaičius)
msMalay
21 (nombor)
nlDutch
21 (getal)
nnNorwegian (Nynorsk)
Talet 21
noNorwegian
21 (tall)
plPolish
21 (liczba)
roRomanian
21 (număr)
ruRussian
21 (число)
simpleSimple English
21 (number)
slSlovenian
21 (število)
srSerbian
21 (број)
svSwedish
21 (tal)
thThai
21
trTurkish
21 (sayı)
ukUkrainian
21 (число)
urUrdu
21 (عدد)
uzUzbek
21 (son)
viVietnamese
21 (số)
zhChinese
21
zhminnanMin Nan
21

Popularity rank trends

Best Rank English:
#2036
03.2015
Global:
#1139
07.2008

AI rank trends

Best Rank English:
#979
02.2004
Global:
#2075
12.2010

Local popularity rank history

Global popularity rank history

Local AI rank history

Global AI rank history

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on 21 from Wikipedia articles about 20, 22, 21, 50 and 666. Whereas reading the article about 21 people most often go to Wikipedia articles on 22, 20, 21, 29 and 24.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

zh: 21
ja: 21
ko: 21
th: 21
simple: 21 (number)
zhminnan: 21

News from 28 January 2026

On 28 January 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2025–26 UEFA Champions League, Nipah virus, Doomsday Clock, UEFA Champions League, Elena Rybakina, Donald Trump, 2026 European Men's Handball Championship, killing of Alex Pretti, Kristi Noem, deaths in 2026.

In English Wikipedia the most popular articles on that day were: Ajit Pawar, Border 2, Sharad Pawar, Killing of Alex Pretti, Ilhan Omar, Sunetra Pawar, Todd Monken, Kristi Noem, Wonder Man (miniseries), Gregory Bovino.

About WikiRank

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 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information