Sum and Product Puzzle

en

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Sum and Product Puzzle

Quality:

Impossible Puzzle - Puzzle published by Hans Freudenthal. Article “Sum and Product Puzzle” in English Wikipedia has 16.2 points for quality (as of July 1, 2025). The article contains 4 references and 7 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 1.8 points.

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

Since the creation of article “Sum and Product Puzzle”, its content was written by 64 registered users of English Wikipedia and edited by 147 registered Wikipedia users in all languages.

The article is cited 9 times in English Wikipedia and cited 18 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #20920 in April 2015
  • Global: #53848 in January 2005

The highest popularity rank from 2008:

  • Local (English): #98765 in April 2015
  • Global: #119533 in April 2015

There are 5 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
1Chinese (zh)
和與積的問題
20.9802
2Dutch (nl)
Onmogelijke Puzzel
16.5939
3English (en)
Sum and Product Puzzle
16.2271
4Ukrainian (uk)
Невирішувана головоломка
13.1342
5German (de)
Luzifer-Rätsel
12.0937
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 "Sum and Product Puzzle" in all the time
#LanguagePopularity awardRelative popularity
1German (de)
Luzifer-Rätsel
449 813
2English (en)
Sum and Product Puzzle
334 803
3Dutch (nl)
Onmogelijke Puzzel
48 714
4Chinese (zh)
和與積的問題
22 207
5Ukrainian (uk)
Невирішувана головоломка
1 447
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 "Sum and Product Puzzle" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Sum and Product Puzzle
1 816
2German (de)
Luzifer-Rätsel
1 131
3Chinese (zh)
和與積的問題
72
4Dutch (nl)
Onmogelijke Puzzel
38
5Ukrainian (uk)
Невирішувана головоломка
11
More...

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

The highest AI

Language versions of the article "Sum and Product Puzzle" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Sum and Product Puzzle
64
2German (de)
Luzifer-Rätsel
39
3Dutch (nl)
Onmogelijke Puzzel
27
4Chinese (zh)
和與積的問題
15
5Ukrainian (uk)
Невирішувана головоломка
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 "Sum and Product Puzzle" with the highest AI in June 2025
#LanguageAI awardRelative AI
1German (de)
Luzifer-Rätsel
1
2English (en)
Sum and Product Puzzle
0
3Dutch (nl)
Onmogelijke Puzzel
0
4Ukrainian (uk)
Невирішувана головоломка
0
5Chinese (zh)
和與積的問題
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 "Sum and Product Puzzle" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Sum and Product Puzzle
9
2Dutch (nl)
Onmogelijke Puzzel
3
3Chinese (zh)
和與積的問題
3
4German (de)
Luzifer-Rätsel
2
5Ukrainian (uk)
Невирішувана головоломка
1
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
deGerman
Luzifer-Rätsel
enEnglish
Sum and Product Puzzle
nlDutch
Onmogelijke Puzzel
ukUkrainian
Невирішувана головоломка
zhChinese
和與積的問題

Popularity rank trends

Best Rank English:
#98765
04.2015
Global:
#119533
04.2015

AI rank trends

Best Rank English:
#20920
04.2015
Global:
#53848
01.2005

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Impossible Puzzle from Wikipedia articles about List of impossible puzzles, Cheryls Birthday, Hans Freudenthal, Mathematical game and The Hardest Logic Puzzle Ever. Whereas reading the article about Impossible Puzzle people most often go to Wikipedia articles on Cheryls Birthday, Goldbachs conjecture, Hans Freudenthal, Semiprime and Integer factorization.

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 English Wikipedia the most popular articles on that day were: Jeffrey Epstein, Wuthering Heights, Wuthering Heights (2026 film), 2026 Winter Olympics, Lucas Pinheiro Braathen, Ice hockey at the 2026 Winter Olympics – Men's tournament, Epstein files, John F. Kennedy Jr., Anthony Kim, James Van Der Beek.

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