Număr Riesel

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Număr Riesel

Quality:

Riesel number - odd natural number k such that k·2^n − 1 is composite for all natural n. Article “Număr Riesel” in Romanian Wikipedia has 12.6 points for quality (as of July 1, 2025). The article contains 1 references and 2 sections.

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

Since the creation of article “Număr Riesel”, its content was written by 2 registered users of Romanian Wikipedia and edited by 166 registered Wikipedia users in all languages.

The article is cited 3 times in Romanian Wikipedia and cited 411 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Romanian): #8356 in May 2021
  • Global: #47663 in September 2003

The highest popularity rank from 2008:

  • Local (Romanian): #100931 in January 2021
  • Global: #688872 in January 2008

There are 11 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)
Riesel number
28.0698
2Russian (ru)
Числа Ризеля
15.3717
3Romanian (ro)
Număr Riesel
12.6253
4French (fr)
Nombre de Riesel
10.1039
5Dutch (nl)
Rieselgetal
10.0516
6Ukrainian (uk)
Числа Різеля
5.3169
7Italian (it)
Numero di Riesel
2.4358
8Norwegian (no)
Rieseltall
2.1455
9Polish (pl)
Problem Riesela
1.3748
10Finnish (fi)
Rieselin luku
1.301
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 "Număr Riesel" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Riesel number
101 251
2Italian (it)
Numero di Riesel
12 577
3French (fr)
Nombre de Riesel
11 402
4Russian (ru)
Числа Ризеля
11 128
5Dutch (nl)
Rieselgetal
7 353
6Polish (pl)
Problem Riesela
4 828
7Chinese (zh)
黎瑟尔数
3 966
8Norwegian (no)
Rieseltall
3 194
9Finnish (fi)
Rieselin luku
932
10Ukrainian (uk)
Числа Різеля
913
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 "Număr Riesel" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Riesel number
367
2Russian (ru)
Числа Ризеля
53
3Chinese (zh)
黎瑟尔数
26
4French (fr)
Nombre de Riesel
21
5Italian (it)
Numero di Riesel
20
6Polish (pl)
Problem Riesela
11
7Ukrainian (uk)
Числа Різеля
7
8Norwegian (no)
Rieseltall
6
9Finnish (fi)
Rieselin luku
5
10Romanian (ro)
Număr Riesel
5
More...

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

The highest AI

Language versions of the article "Număr Riesel" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Riesel number
66
2Dutch (nl)
Rieselgetal
22
3Italian (it)
Numero di Riesel
19
4French (fr)
Nombre de Riesel
14
5Russian (ru)
Числа Ризеля
13
6Norwegian (no)
Rieseltall
8
7Ukrainian (uk)
Числа Різеля
8
8Finnish (fi)
Rieselin luku
6
9Polish (pl)
Problem Riesela
5
10Chinese (zh)
黎瑟尔数
3
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 "Număr Riesel" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
Riesel number
0
2Finnish (fi)
Rieselin luku
0
3French (fr)
Nombre de Riesel
0
4Italian (it)
Numero di Riesel
0
5Dutch (nl)
Rieselgetal
0
6Norwegian (no)
Rieseltall
0
7Polish (pl)
Problem Riesela
0
8Romanian (ro)
Număr Riesel
0
9Russian (ru)
Числа Ризеля
0
10Ukrainian (uk)
Числа Різеля
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 "Număr Riesel" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Riesel number
236
2Ukrainian (uk)
Числа Різеля
92
3Russian (ru)
Числа Ризеля
49
4French (fr)
Nombre de Riesel
10
5Italian (it)
Numero di Riesel
6
6Dutch (nl)
Rieselgetal
6
7Norwegian (no)
Rieseltall
3
8Polish (pl)
Problem Riesela
3
9Romanian (ro)
Număr Riesel
3
10Finnish (fi)
Rieselin luku
2
More...

Scores

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

Quality measures

Interwikis

#LanguageValue
enEnglish
Riesel number
fiFinnish
Rieselin luku
frFrench
Nombre de Riesel
itItalian
Numero di Riesel
nlDutch
Rieselgetal
noNorwegian
Rieseltall
plPolish
Problem Riesela
roRomanian
Număr Riesel
ruRussian
Числа Ризеля
ukUkrainian
Числа Різеля
zhChinese
黎瑟尔数

Popularity rank trends

Best Rank Romanian:
#100931
01.2021
Global:
#688872
01.2008

AI rank trends

Best Rank Romanian:
#8356
05.2021
Global:
#47663
09.2003

Local AI rank history

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Riesel number from Wikipedia articles about List of unsolved problems in mathematics, Sierpinski number, PrimeGrid, Wikipedia article and Lucas–Lehmer–Riesel test. Whereas reading the article about Riesel number people most often go to Wikipedia articles on Sierpinski number, PrimeGrid, Covering set, Hans Riesel and Wikipedia article.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 15 February 2026

On 15 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Wuthering Heights, 2026 Winter Olympics, Epstein files, Ilia Malinin, Wuthering Heights, Ghislaine Maxwell, Lucas Pinheiro Braathen, 2026 Winter Olympics medal table, Valentine's Day.

In Romanian Wikipedia the most popular articles on that day were: Jeffrey Epstein, Nea Mărin miliardar, La răscruce de vânturi, România, Societatea Română de Televiziune, Vladimir Plahotniuc, Grigore Vieru, Patinaj artistic la Jocurile Olimpice de iarnă din 2026, Cristian Boureanu, Sicario: Asasinul.

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