Additive inverse

Opposite number - number that, when added to the original number, yields zero. Article "Additive inverse" in English Wikipedia has 31.6 points for quality (as of July 1, 2025). The article contains 15 references and 6 sections.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that language version.

In June 2025 the article "Additive inverse" was edited by 3 authors in English Wikipedia and written by 5 authors in all languages.

Since the creation of article "Additive inverse", its content was written by 183 registered users of English Wikipedia and edited by 606 registered Wikipedia users in all languages.

The article is cited 138 times in English Wikipedia and cited 1154 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #4937 in May 2003
• Global: #10144 in September 2008

The highest popularity rank from 2008:

• Local (English): #46377 in September 2012
• Global: #34010 in October 2012

There are 36 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	English (en) Additive inverse		31.6079
2	Greek (el) Αντίθετος αριθμός		25.8281
3	Galician (gl) Inverso aditivo		24.6585
4	Polish (pl) Liczba przeciwna		22.4044
5	Arabic (ar) معكوس جمعي		21.4289
6	Lithuanian (lt) Priešingasis skaičius		21.0899
7	Romanian (ro) Element opus		20.5493
8	Simple English (simple) Opposite number		20.4998
9	Indonesian (id) Invers aditif		18.0578
10	Portuguese (pt) Inverso aditivo		17.7341

More...

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

The most popular language versions of the article "Additive inverse" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Additive inverse		1 583 515
2	Spanish (es) Opuesto		923 109
3	Polish (pl) Liczba przeciwna		262 586
4	French (fr) Opposé (mathématiques)		182 881
5	Arabic (ar) معكوس جمعي		139 137
6	Russian (ru) Противоположное число		94 707
7	Finnish (fi) Vastaluku		91 414
8	Simple English (simple) Opposite number		88 808
9	Italian (it) Opposto (matematica)		87 333
10	Hebrew (he) מספר נגדי		77 982

More...

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 "Additive inverse" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Additive inverse		3 760
2	Simple English (simple) Opposite number		790
3	Spanish (es) Opuesto		324
4	Japanese (ja) 反数		282
5	Chinese (zh) 加法逆元		203
6	Russian (ru) Противоположное число		200
7	Greek (el) Αντίθετος αριθμός		154
8	French (fr) Opposé (mathématiques)		141
9	Korean (ko) 덧셈 역원		128
10	Thai (th) ตัวผกผันการบวก		106

More...

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

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

#	Language	AI award	Relative AI
1	English (en) Additive inverse		183
2	Spanish (es) Opuesto		46
3	French (fr) Opposé (mathématiques)		39
4	Hebrew (he) מספר נגדי		29
5	Polish (pl) Liczba przeciwna		29
6	Finnish (fi) Vastaluku		27
7	Hungarian (hu) Ellentett		24
8	Dutch (nl) Tegengestelde (wiskunde)		22
9	Simple English (simple) Opposite number		22
10	Russian (ru) Противоположное число		20

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 "Additive inverse" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	English (en) Additive inverse		3
2	Italian (it) Opposto (matematica)		1
3	Polish (pl) Liczba przeciwna		1
4	Arabic (ar) معكوس جمعي		0
5	Belarusian (be) Супрацьлеглы лік		0
6	Catalan (ca) Oposat (matemàtiques)		0
7	Czech (cs) Opačné číslo		0
8	Greek (el) Αντίθετος αριθμός		0
9	Esperanto (eo) Adicia inverso		0
10	Spanish (es) Opuesto		0

More...

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

Language versions of the article "Additive inverse" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Polish (pl) Liczba przeciwna		158
2	English (en) Additive inverse		138
3	Chinese (zh) 加法逆元		84
4	Arabic (ar) معكوس جمعي		77
5	Japanese (ja) 反数		69
6	Spanish (es) Opuesto		59
7	French (fr) Opposé (mathématiques)		44
8	Korean (ko) 덧셈 역원		43
9	Dutch (nl) Tegengestelde (wiskunde)		41
10	Finnish (fi) Vastaluku		39

More...

#	Language	Value
ar	Arabic معكوس جمعي
be	Belarusian Супрацьлеглы лік
ca	Catalan Oposat (matemàtiques)
cs	Czech Opačné číslo
el	Greek Αντίθετος αριθμός
en	English Additive inverse
eo	Esperanto Adicia inverso
es	Spanish Opuesto
et	Estonian Vastandarv
eu	Basque Aurkako elementu
fa	Persian وارون جمعی
fi	Finnish Vastaluku
fr	French Opposé (mathématiques)
gl	Galician Inverso aditivo
he	Hebrew מספר נגדי
hu	Hungarian Ellentett
id	Indonesian Invers aditif
it	Italian Opposto (matematica)
ja	Japanese 反数
ko	Korean 덧셈 역원
lt	Lithuanian Priešingasis skaičius
nl	Dutch Tegengestelde (wiskunde)
pl	Polish Liczba przeciwna
pt	Portuguese Inverso aditivo
ro	Romanian Element opus
ru	Russian Противоположное число
simple	Simple English Opposite number
sk	Slovak Opačné číslo
sl	Slovenian Nasprotna vrednost
sv	Swedish Additiv invers
ta	Tamil கூட்டல் நேர்மாறு
th	Thai ตัวผกผันการบวก
tr	Turkish Toplamaya göre ters
uk	Ukrainian Протилежне число
vi	Vietnamese Nghịch đảo phép cộng
zh	Chinese 加法逆元

Best Rank

English: #46377 09.2012

Global: #34010 10.2012

Best Rank

English: #4937 05.2003

Global: #10144 09.2008

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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