Aleph null

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Aleph null

Quality:

Aleph null - cardinal of the set of all natural numbers, and more generally of any well-ordered and countable infinite set. Article “Aleph null” in Simple English Wikipedia has 27.4 points for quality (as of July 1, 2025). The article contains 4 references and 1 sections.

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

Achievements in all the time:
Simple English Wikipedia:
The 3286th most popular in Simple English Wikipedia.
Achievements in the last month:
Simple English Wikipedia:
The 6502nd most editable in Simple English Wikipedia in the last month.

In June 2025 the article “Aleph null” was edited by 1 authors in Simple English Wikipedia (6502nd place) and written by 1 authors in all languages.

Since the creation of article “Aleph null”, its content was written by 22 registered users of Simple English Wikipedia and edited by 148 registered Wikipedia users in all languages.

The article is cited 8 times in Simple English Wikipedia and cited 210 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Simple English): #319 in June 2019
  • Global: #43447 in May 2003

The highest popularity rank from 2008:

  • Local (Simple English): #575 in October 2021
  • Global: #390863 in May 2023

There are 8 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
1Simple English (simple)
Aleph null
27.432
2Swedish (sv)
Alef-noll
24.5536
3Catalan (ca)
Àlef zero
21.8917
4Estonian (et)
Alef-null
13.4025
5Hebrew (he)
אלף אפס
11.1
6Slovak (sk)
Alef 0
4.2891
7Czech (cs)
Alef 0
3.4781
8French (fr)
Aleph-zéro
0.9158
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 "Aleph null" in all the time
#LanguagePopularity awardRelative popularity
1Hebrew (he)
אלף אפס
128 171
2Simple English (simple)
Aleph null
119 878
3French (fr)
Aleph-zéro
74 839
4Czech (cs)
Alef 0
22 660
5Swedish (sv)
Alef-noll
21 202
6Catalan (ca)
Àlef zero
5 368
7Slovak (sk)
Alef 0
4 191
8Estonian (et)
Alef-null
3 570
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 "Aleph null" in June 2025
#LanguagePopularity awardRelative popularity
1Simple English (simple)
Aleph null
515
2Hebrew (he)
אלף אפס
393
3French (fr)
Aleph-zéro
306
4Czech (cs)
Alef 0
66
5Catalan (ca)
Àlef zero
35
6Slovak (sk)
Alef 0
22
7Swedish (sv)
Alef-noll
22
8Estonian (et)
Alef-null
10
More...

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

The highest AI

Language versions of the article "Aleph null" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1Hebrew (he)
אלף אפס
56
2French (fr)
Aleph-zéro
39
3Simple English (simple)
Aleph null
22
4Catalan (ca)
Àlef zero
9
5Czech (cs)
Alef 0
9
6Swedish (sv)
Alef-noll
6
7Slovak (sk)
Alef 0
5
8Estonian (et)
Alef-null
2
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 "Aleph null" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Simple English (simple)
Aleph null
1
2Catalan (ca)
Àlef zero
0
3Czech (cs)
Alef 0
0
4Estonian (et)
Alef-null
0
5French (fr)
Aleph-zéro
0
6Hebrew (he)
אלף אפס
0
7Slovak (sk)
Alef 0
0
8Swedish (sv)
Alef-noll
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 "Aleph null" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1French (fr)
Aleph-zéro
104
2Hebrew (he)
אלף אפס
51
3Catalan (ca)
Àlef zero
17
4Swedish (sv)
Alef-noll
16
5Czech (cs)
Alef 0
9
6Simple English (simple)
Aleph null
8
7Estonian (et)
Alef-null
4
8Slovak (sk)
Alef 0
1
More...

Scores

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

Quality measures

Interwikis

#LanguageValue
caCatalan
Àlef zero
csCzech
Alef 0
etEstonian
Alef-null
frFrench
Aleph-zéro
heHebrew
אלף אפס
simpleSimple English
Aleph null
skSlovak
Alef 0
svSwedish
Alef-noll

Popularity rank trends

Best Rank Simple English:
#575
10.2021
Global:
#390863
05.2023

AI rank trends

Best Rank Simple English:
#319
06.2019
Global:
#43447
05.2003

Local popularity rank history

Local AI rank history

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Aleph null from Wikipedia articles about Countable set, Natural number, Aleph number, Cardinality and א. Whereas reading the article about Aleph null people most often go to Wikipedia articles on Aleph number, Cantors theorem, Countable set, Cardinality and Georg Cantor.

Cumulative results of quality and popularity of the Wikipedia article

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

simple: Aleph null
cs: Alef 0
sk: Alef 0

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 Simple English Wikipedia the most popular articles on that day were: List of European countries, Black, Pornhub, XXXTentacion, XVideos, List of people who have walked on the Moon, Manon Bannerman, Ajit Pawar, List of U.S. states, List of sex positions.

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