Vampire number

Vampire number - mathematical concept concerning factoring. Article “Vampire number” in English Wikipedia has 20.8 points for quality (as of July 1, 2025). The article contains 5 references and 7 sections.

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

Since the creation of article “Vampire number”, its content was written by 45 registered users of English Wikipedia and edited by 195 registered Wikipedia users in all languages.

The article is cited 220 times in English Wikipedia and cited 603 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #60826 in September 2004
• Global: #31032 in February 2005

The highest popularity rank from 2008:

• Local (English): #29897 in September 2015
• Global: #56676 in September 2015

There are 19 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.

#	Language	Quality grade	Quality score
1	German (de) Vampirzahl		41.3035
2	Swedish (sv) Vampyrtal		30.3324
3	Dutch (nl) Vampiergetal		21.8401
4	English (en) Vampire number		20.7885
5	Hebrew (he) מספר ערפד		19.7497
6	Japanese (ja) ヴァンパイア数		19.6267
7	Catalan (ca) Nombre vampir		16.7997
8	Spanish (es) Número vampiro		14.8438
9	Arabic (ar) عدد مصاص دماء		14.8199
10	Ukrainian (uk) Число-вампір		13.8981

More...

The following table shows the most popular language versions of the article.

The most popular language versions of the article "Vampire number" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Vampire number		352 326
2	Japanese (ja) ヴァンパイア数		29 936
3	Russian (ru) Число-вампир		24 768
4	Hebrew (he) מספר ערפד		20 523
5	French (fr) Nombre vampire		19 320
6	Italian (it) Numero del vampiro		13 439
7	Portuguese (pt) Número vampiro		10 814
8	Chinese (zh) 吸血鬼數		10 125
9	Spanish (es) Número vampiro		6 667
10	German (de) Vampirzahl		4 027

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Vampire number" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Vampire number		1 222
2	Japanese (ja) ヴァンパイア数		412
3	Russian (ru) Число-вампир		89
4	French (fr) Nombre vampire		85
5	Spanish (es) Número vampiro		80
6	German (de) Vampirzahl		52
7	Ukrainian (uk) Число-вампір		51
8	Hebrew (he) מספר ערפד		44
9	Italian (it) Numero del vampiro		43
10	Chinese (zh) 吸血鬼數		37

More...

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

Language versions of the article "Vampire number" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Vampire number		45
2	French (fr) Nombre vampire		27
3	Hebrew (he) מספר ערפד		27
4	Italian (it) Numero del vampiro		24
5	Russian (ru) Число-вампир		15
6	Chinese (zh) 吸血鬼數		11
7	Portuguese (pt) Número vampiro		8
8	Japanese (ja) ヴァンパイア数		6
9	Catalan (ca) Nombre vampir		5
10	Dutch (nl) Vampiergetal		4

More...

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

Language versions of the article "Vampire number" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Arabic (ar) عدد مصاص دماء		0
2	Catalan (ca) Nombre vampir		0
3	German (de) Vampirzahl		0
4	English (en) Vampire number		0
5	Spanish (es) Número vampiro		0
6	Finnish (fi) Vampyyriluku		0
7	French (fr) Nombre vampire		0
8	Hebrew (he) מספר ערפד		0
9	Italian (it) Numero del vampiro		0
10	Japanese (ja) ヴァンパイア数		0

More...

The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Vampire number" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Vampire number		220
2	Swedish (sv) Vampyrtal		143
3	Ukrainian (uk) Число-вампір		90
4	Japanese (ja) ヴァンパイア数		42
5	Russian (ru) Число-вампир		41
6	Portuguese (pt) Número vampiro		40
7	French (fr) Nombre vampire		11
8	Hebrew (he) מספר ערפד		4
9	Italian (it) Numero del vampiro		3
10	Chinese (zh) 吸血鬼數		3

More...

#	Language	Value
ar	Arabic عدد مصاص دماء
ca	Catalan Nombre vampir
de	German Vampirzahl
en	English Vampire number
es	Spanish Número vampiro
fi	Finnish Vampyyriluku
fr	French Nombre vampire
he	Hebrew מספר ערפד
it	Italian Numero del vampiro
ja	Japanese ヴァンパイア数
nl	Dutch Vampiergetal
no	Norwegian Vampyrtall
pt	Portuguese Número vampiro
ru	Russian Число-вампир
sl	Slovenian Vampirsko število
sv	Swedish Vampyrtal
th	Thai จำนวนแวมไพร์
uk	Ukrainian Число-вампір
zh	Chinese 吸血鬼數

Best Rank

English: #29897 09.2015

Global: #56676 09.2015

Best Rank

English: #60826 09.2004

Global: #31032 02.2005

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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