Prime-counting function

Prime-counting function - function representing the number of primes less than or equal to a given number. Article "Prime-counting function" in English Wikipedia has 60.3 points for quality (as of July 1, 2025). The article contains 44 references and 16 sections.

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

Since the creation of article "Prime-counting function", its content was written by 153 registered users of English Wikipedia and edited by 465 registered Wikipedia users in all languages.

The article is cited 80 times in English Wikipedia and cited 2754 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #10726 in February 2005
• Global: #33605 in November 2009

The highest popularity rank from 2008:

• Local (English): #106418 in April 2023
• Global: #124922 in September 2018

There are 31 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) Prime-counting function		60.3174
2	Hungarian (hu) Prímszámláló függvény		41.8343
3	Galician (gl) Función de contaxe de números primos		37.8918
4	Ukrainian (uk) Функція розподілу простих чисел		35.1254
5	Tamil (ta) பகாத்தனி-எண்ணும் சார்பு		34.8087
6	Serbian (sr) Функција расподеле простих бројева		31.5197
7	Russian (ru) Функция распределения простых чисел		29.3157
8	Dutch (nl) Priemgetal-telfunctie		26.9856
9	Indonesian (id) Fungsi pencacahan bilangan prima		26.5053
10	Thai (th) ฟังก์ชันนับจำนวนเฉพาะ		25.602

More...

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

The most popular language versions of the article "Prime-counting function" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Prime-counting function		1 192 341
2	Russian (ru) Функция распределения простых чисел		125 962
3	French (fr) Fonction de compte des nombres premiers		104 484
4	Polish (pl) Funkcja licząca liczby pierwsze		87 612
5	Spanish (es) Función contador de números primos		77 213
6	Japanese (ja) 素数計数関数		64 731
7	Chinese (zh) 素数计数函数		62 382
8	Italian (it) Funzione enumerativa dei primi		56 573
9	Portuguese (pt) Função de contagem de números primos		32 069
10	Korean (ko) 소수 계량 함수		23 677

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 "Prime-counting function" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Prime-counting function		6 096
2	Russian (ru) Функция распределения простых чисел		643
3	French (fr) Fonction de compte des nombres premiers		493
4	Japanese (ja) 素数計数関数		376
5	Chinese (zh) 素数计数函数		298
6	Spanish (es) Función contador de números primos		265
7	Polish (pl) Funkcja licząca liczby pierwsze		215
8	Italian (it) Funzione enumerativa dei primi		154
9	Korean (ko) 소수 계량 함수		65
10	Portuguese (pt) Função de contagem de números primos		60

More...

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

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

#	Language	AI award	Relative AI
1	English (en) Prime-counting function		153
2	French (fr) Fonction de compte des nombres premiers		55
3	Italian (it) Funzione enumerativa dei primi		25
4	Polish (pl) Funkcja licząca liczby pierwsze		25
5	Russian (ru) Функция распределения простых чисел		18
6	Dutch (nl) Priemgetal-telfunctie		17
7	Chinese (zh) 素数计数函数		17
8	Catalan (ca) Funció de recompte de nombres primers		14
9	Spanish (es) Función contador de números primos		14
10	Japanese (ja) 素数計数関数		13

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 "Prime-counting function" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Arabic (ar) الدالة المعدة للأعداد الأولية		0
2	Bulgarian (bg) Функция на разпределение на простите числа		0
3	Catalan (ca) Funció de recompte de nombres primers		0
4	Czech (cs) Prvočíselná funkce		0
5	Danish (da) Primtalssætningen		0
6	English (en) Prime-counting function		0
7	Esperanto (eo) Primo-kalkulanta funkcio		0
8	Spanish (es) Función contador de números primos		0
9	Persian (fa) تابع شمارش اعداد اول		0
10	Finnish (fi) Alkulukufunktio		0

More...

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

Language versions of the article "Prime-counting function" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Italian (it) Funzione enumerativa dei primi		1 399
2	Polish (pl) Funkcja licząca liczby pierwsze		338
3	Slovenian (sl) Število praštevil		249
4	French (fr) Fonction de compte des nombres premiers		146
5	Chinese (zh) 素数计数函数		99
6	English (en) Prime-counting function		80
7	Portuguese (pt) Função de contagem de números primos		59
8	Esperanto (eo) Primo-kalkulanta funkcio		56
9	Japanese (ja) 素数計数関数		48
10	Korean (ko) 소수 계량 함수		40

More...

#	Language	Value
ar	Arabic الدالة المعدة للأعداد الأولية
bg	Bulgarian Функция на разпределение на простите числа
ca	Catalan Funció de recompte de nombres primers
cs	Czech Prvočíselná funkce
da	Danish Primtalssætningen
en	English Prime-counting function
eo	Esperanto Primo-kalkulanta funkcio
es	Spanish Función contador de números primos
fa	Persian تابع شمارش اعداد اول
fi	Finnish Alkulukufunktio
fr	French Fonction de compte des nombres premiers
gl	Galician Función de contaxe de números primos
he	Hebrew פונקציית המספרים הראשוניים
hu	Hungarian Prímszámláló függvény
id	Indonesian Fungsi pencacahan bilangan prima
it	Italian Funzione enumerativa dei primi
ja	Japanese 素数計数関数
ko	Korean 소수 계량 함수
nl	Dutch Priemgetal-telfunctie
pl	Polish Funkcja licząca liczby pierwsze
pt	Portuguese Função de contagem de números primos
ru	Russian Функция распределения простых чисел
simple	Simple English Prime counting function
sl	Slovenian Število praštevil
sr	Serbian Функција расподеле простих бројева
sv	Swedish Primtalsfunktionen
ta	Tamil பகாத்தனி-எண்ணும் சார்பு
th	Thai ฟังก์ชันนับจำนวนเฉพาะ
uk	Ukrainian Функція розподілу простих чисел
vi	Vietnamese Hàm đếm số nguyên tố
zh	Chinese 素数计数函数

Best Rank

English: #106418 04.2023

Global: #124922 09.2018

Best Rank

English: #10726 02.2005

Global: #33605 11.2009

On 8 July 2025 in multilingual Wikipedia, Internet users most often read articles on the following topics: Diogo Jota, João Pedro, Ozzy Osbourne, Laura Siegemund, Aryna Sabalenka, Julian McMahon, Jurassic World Rebirth, 2025 FIFA Club World Cup, Amanda Anisimova, F1.

In English Wikipedia the most popular articles on that day were: Superman (2025 film), João Pedro (footballer, born 2001), Untitled Jurassic World film, Aryna Sabalenka, Laura Siegemund, Ozzy Osbourne, Amanda Anisimova, Jeffrey Epstein, Cameron Norrie, Deaths in 2025.

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