Funkce alef

cs

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Funkce alef

Quality:

Aleph number - alef symbol (U+2135) or aleph, written left-to-right as the mathemical symbol ‹ℵ› for the first transfinite cardinal (countable); ordered sequence of transfinite numbers used to represent the cardinality (or size) of infinite countable sets. Article "Funkce alef" in Czech Wikipedia has 7.7 points for quality (as of July 1, 2025). The article contains 0 references and 7 sections. The article also contains quality flaw template, which reduce quality score.

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

Since the creation of article "Funkce alef", its content was written by 9 registered users of Czech Wikipedia and edited by 713 registered Wikipedia users in all languages.

The article is cited 23 times in Czech Wikipedia and cited 1394 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Czech): #3656 in February 2011
  • Global: #4558 in August 2003

The highest popularity rank from 2008:

  • Local (Czech): #49005 in January 2008
  • Global: #26990 in April 2016

There are 29 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
1Malay (ms)
Nombor alif
44.9897
2English (en)
Aleph number
35.1791
3Chinese (zh)
阿列夫數
33.313
4Indonesian (id)
Bilangan alef
23.3318
5French (fr)
Aleph (nombre)
22.5991
6Portuguese (pt)
Número aleph
21.0047
7Russian (ru)
Иерархия алефов
19.669
8Polish (pl)
Skala alefów
19.4451
9Galician (gl)
Número aleph
18.806
10Spanish (es)
Álef (cardinales)
16.5045
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 "Funkce alef" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Aleph number
3 227 853
2Spanish (es)
Álef (cardinales)
355 626
3Japanese (ja)
アレフ数
241 159
4Russian (ru)
Иерархия алефов
165 529
5French (fr)
Aleph (nombre)
155 528
6Chinese (zh)
阿列夫數
143 519
7Polish (pl)
Skala alefów
138 949
8German (de)
Aleph-Funktion
135 097
9Italian (it)
Aleph (cardinalità)
116 248
10Portuguese (pt)
Número aleph
97 815
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 "Funkce alef" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Aleph number
14 748
2Japanese (ja)
アレフ数
1 880
3Russian (ru)
Иерархия алефов
1 170
4Spanish (es)
Álef (cardinales)
969
5Chinese (zh)
阿列夫數
933
6French (fr)
Aleph (nombre)
886
7Portuguese (pt)
Número aleph
560
8German (de)
Aleph-Funktion
516
9Polish (pl)
Skala alefów
493
10Italian (it)
Aleph (cardinalità)
419
More...

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

The highest AI

Language versions of the article "Funkce alef" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Aleph number
288
2French (fr)
Aleph (nombre)
46
3Spanish (es)
Álef (cardinales)
44
4Chinese (zh)
阿列夫數
30
5Polish (pl)
Skala alefów
29
6German (de)
Aleph-Funktion
28
7Swedish (sv)
Aleftal
27
8Japanese (ja)
アレフ数
26
9Portuguese (pt)
Número aleph
23
10Italian (it)
Aleph (cardinalità)
22
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 "Funkce alef" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Italian (it)
Aleph (cardinalità)
2
2English (en)
Aleph number
1
3Arabic (ar)
أعداد أليف
0
4Catalan (ca)
Nombre infinit
0
5Czech (cs)
Funkce alef
0
6German (de)
Aleph-Funktion
0
7Esperanto (eo)
Alef-nombro
0
8Spanish (es)
Álef (cardinales)
0
9Basque (eu)
Aleph zenbakia
0
10French (fr)
Aleph (nombre)
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 "Funkce alef" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Aleph number
468
2Catalan (ca)
Nombre infinit
160
3Chinese (zh)
阿列夫數
160
4Korean (ko)
알레프 수
101
5Polish (pl)
Skala alefów
72
6Spanish (es)
Álef (cardinales)
67
7German (de)
Aleph-Funktion
45
8French (fr)
Aleph (nombre)
45
9Japanese (ja)
アレフ数
40
10Galician (gl)
Número aleph
33
More...

Scores

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

Quality measures

Interwikis

#LanguageValue
arArabic
أعداد أليف
caCatalan
Nombre infinit
csCzech
Funkce alef
deGerman
Aleph-Funktion
enEnglish
Aleph number
eoEsperanto
Alef-nombro
esSpanish
Álef (cardinales)
euBasque
Aleph zenbakia
frFrench
Aleph (nombre)
glGalician
Número aleph
hrCroatian
Alef broj
idIndonesian
Bilangan alef
itItalian
Aleph (cardinalità)
jaJapanese
アレフ数
koKorean
알레프 수
msMalay
Nombor alif
nlDutch
Alef-getal
noNorwegian
Alef-tall
plPolish
Skala alefów
ptPortuguese
Número aleph
roRomanian
Număr alef
ruRussian
Иерархия алефов
slSlovenian
Število alef
srSerbian
Алеф број
svSwedish
Aleftal
thThai
จำนวนอะเลฟ
trTurkish
Alef sayısı
ukUkrainian
Числа алеф
zhChinese
阿列夫數

Popularity rank trends

Best Rank Czech:
#49005
01.2008
Global:
#26990
04.2016

AI rank trends

Best Rank Czech:
#3656
02.2011
Global:
#4558
08.2003

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 Aleph number from Wikipedia articles about Aleph, Cardinal number, Transfinite number, Uncountable set and Continuum hypothesis. Whereas reading the article about Aleph number people most often go to Wikipedia articles on Ordinal number, Transfinite number, Beth number, Georg Cantor and Cardinality.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 12 August 2025

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In Czech Wikipedia the most popular articles on that day were: RSS, János Hunyadi, Margita Balaštíková, Alžběta Lucemburská, ISO 8859-2, Trosečník (film, 2000), Vladislav Jagellonský, Elton John, Jan Jakob, Jitka Molavcová.

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