フィボナッチ数列の逆数和

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フィボナッチ数列の逆数和

Quality:

Reciprocal Fibonacci constant - real number, approximately 3.36, the sum of the reciprocals of the Fibonacci numbers. Article “フィボナッチ数列の逆数和” in Japanese Wikipedia has 13.4 points for quality (as of July 1, 2025). The article contains 4 references and 3 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 “フィボナッチ数列の逆数和”, its content was written by 8 registered users of Japanese Wikipedia and edited by 78 registered Wikipedia users in all languages.

The article is cited 6 times in Japanese Wikipedia and cited 69 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Japanese): #29993 in September 2019
  • Global: #170140 in September 2011

The highest popularity rank from 2008:

  • Local (Japanese): #195418 in April 2019
  • Global: #250082 in April 2011

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)
Reciprocal Fibonacci constant
23.5572
2Catalan (ca)
Constant dels inversos de Fibonacci
23.018
3Vietnamese (vi)
Hằng số Fibonacci
20.7052
4Slovenian (sl)
Obratna Fibonaccijeva konstanta
20.7012
5Spanish (es)
Constante de los inversos de Fibonacci
19.7513
6Danish (da)
Reciprokke Fibonacci-konstant
18.8385
7Japanese (ja)
フィボナッチ数列の逆数和
13.3974
8Russian (ru)
Обратная постоянная Фибоначчи
12.3726
9French (fr)
Somme des inverses des nombres de Fibonacci
8.9974
10Swedish (sv)
Reciproka Fibonaccikonstanten
2.5964
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 "フィボナッチ数列の逆数和" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Reciprocal Fibonacci constant
177 688
2Japanese (ja)
フィボナッチ数列の逆数和
31 360
3Spanish (es)
Constante de los inversos de Fibonacci
17 624
4Vietnamese (vi)
Hằng số Fibonacci
7 473
5Russian (ru)
Обратная постоянная Фибоначчи
5 574
6Slovenian (sl)
Obratna Fibonaccijeva konstanta
4 651
7Hebrew (he)
קבוע הופכיי מספרי פיבונאצ'י
2 934
8French (fr)
Somme des inverses des nombres de Fibonacci
2 350
9Danish (da)
Reciprokke Fibonacci-konstant
2 036
10Catalan (ca)
Constant dels inversos de Fibonacci
1 141
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 "フィボナッチ数列の逆数和" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Reciprocal Fibonacci constant
657
2Japanese (ja)
フィボナッチ数列の逆数和
293
3French (fr)
Somme des inverses des nombres de Fibonacci
157
4Russian (ru)
Обратная постоянная Фибоначчи
78
5Vietnamese (vi)
Hằng số Fibonacci
38
6Catalan (ca)
Constant dels inversos de Fibonacci
23
7Spanish (es)
Constante de los inversos de Fibonacci
23
8Slovenian (sl)
Obratna Fibonaccijeva konstanta
13
9Danish (da)
Reciprokke Fibonacci-konstant
9
10Swedish (sv)
Reciproka Fibonaccikonstanten
6
More...

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

The highest AI

Language versions of the article "フィボナッチ数列の逆数和" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Reciprocal Fibonacci constant
23
2Japanese (ja)
フィボナッチ数列の逆数和
8
3Spanish (es)
Constante de los inversos de Fibonacci
7
4Hebrew (he)
קבוע הופכיי מספרי פיבונאצ'י
7
5Vietnamese (vi)
Hằng số Fibonacci
7
6Russian (ru)
Обратная постоянная Фибоначчи
6
7Danish (da)
Reciprokke Fibonacci-konstant
5
8French (fr)
Somme des inverses des nombres de Fibonacci
5
9Catalan (ca)
Constant dels inversos de Fibonacci
4
10Swedish (sv)
Reciproka Fibonaccikonstanten
4
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 "フィボナッチ数列の逆数和" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Catalan (ca)
Constant dels inversos de Fibonacci
0
2Danish (da)
Reciprokke Fibonacci-konstant
0
3English (en)
Reciprocal Fibonacci constant
0
4Spanish (es)
Constante de los inversos de Fibonacci
0
5French (fr)
Somme des inverses des nombres de Fibonacci
0
6Hebrew (he)
קבוע הופכיי מספרי פיבונאצ'י
0
7Japanese (ja)
フィボナッチ数列の逆数和
0
8Russian (ru)
Обратная постоянная Фибоначчи
0
9Slovenian (sl)
Obratna Fibonaccijeva konstanta
0
10Swedish (sv)
Reciproka Fibonaccikonstanten
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 "フィボナッチ数列の逆数和" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Russian (ru)
Обратная постоянная Фибоначчи
22
2English (en)
Reciprocal Fibonacci constant
13
3French (fr)
Somme des inverses des nombres de Fibonacci
7
4Spanish (es)
Constante de los inversos de Fibonacci
6
5Japanese (ja)
フィボナッチ数列の逆数和
6
6Danish (da)
Reciprokke Fibonacci-konstant
3
7Slovenian (sl)
Obratna Fibonaccijeva konstanta
3
8Vietnamese (vi)
Hằng số Fibonacci
3
9Catalan (ca)
Constant dels inversos de Fibonacci
2
10Hebrew (he)
קבוע הופכיי מספרי פיבונאצ'י
2
More...

Scores

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

Quality measures

Interwikis

#LanguageValue
caCatalan
Constant dels inversos de Fibonacci
daDanish
Reciprokke Fibonacci-konstant
enEnglish
Reciprocal Fibonacci constant
esSpanish
Constante de los inversos de Fibonacci
frFrench
Somme des inverses des nombres de Fibonacci
heHebrew
קבוע הופכיי מספרי פיבונאצ'י
jaJapanese
フィボナッチ数列の逆数和
ruRussian
Обратная постоянная Фибоначчи
slSlovenian
Obratna Fibonaccijeva konstanta
svSwedish
Reciproka Fibonaccikonstanten
viVietnamese
Hằng số Fibonacci

Popularity rank trends

Best Rank Japanese:
#195418
04.2019
Global:
#250082
04.2011

AI rank trends

Best Rank Japanese:
#29993
09.2019
Global:
#170140
09.2011

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Reciprocal Fibonacci constant from Wikipedia articles about Convergent series, Ψ, Fibonacci number, List of unsolved problems in mathematics and List of mathematical constants. Whereas reading the article about Reciprocal Fibonacci constant people most often go to Wikipedia articles on List of sums of reciprocals, Golden ratio, Ratio test, Ψ and Fibonacci number.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 9 December 2025

On 9 December 2025 in multilingual Wikipedia, Internet users most often read articles on the following topics: Stranger Things, 2026 FIFA World Cup, Lando Norris, Millie Bobby Brown, Sean Combs, It: Welcome to Derry, ChatGPT, Zootopia 2, deaths in 2025, Cassie Ventura.

In Japanese Wikipedia the most popular articles on that day were: 堂上隼人, 濱田太貴, 辰見鴻之介, 中村獅童 (2代目), 松浦慶斗, 井上広大, 知野直人, 平沼翔太, 佐藤直樹 (野球), 濱将乃介.

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