15

Summary

15 is a positive integer^[1]. 15 ranks in the top 8% of positive_integer entities by monthly Wikipedia readership (246 views/month).^[2]

Key Facts

• 15's image is recorded as 15min logotipas.svg^[3].
• 15's instance of is recorded as positive integer^[4].
• 15's instance of is recorded as triangular number^[5].
• 15's instance of is recorded as composite number^[6].
• 15's instance of is recorded as odd number^[7].
• 15's instance of is recorded as centered tetrahedral number^[8].
• 15's instance of is recorded as hexagonal number^[9].
• 15's instance of is recorded as pentatope number^[10].
• 15's instance of is recorded as Mersenne number^[11].
• 15's instance of is recorded as cake number^[12].
• 15's instance of is recorded as Bell number^[13].
• 15's follows is recorded as Q38582^[14].
• 15's followed by is recorded as 16^[15].
• 15's Commons category is recorded as 15 (number)^[16].
• 15's pronunciation audio is recorded as Ady-15.oga^[17].
• 15's pronunciation audio is recorded as LL-Q150 (fra)-Guilhelma-15.wav^[18].
• 15's pronunciation audio is recorded as Lb-fofzéng.ogg^[19].
• 15's Unicode character is recorded as ⒂^[20].
• 15's Unicode character is recorded as ⓯^[21].
• 15's Unicode character is recorded as ⑮^[22].
• 15's Unicode character is recorded as ⒖^[23].
• 15's Unicode character is recorded as 𝋯^[24].
• 15's topic's main category is recorded as Category:Fifteen^[25].
• 15's spoken text audio is recorded as Nl-15 (getal)-article.ogg^[26].
• 15's numeric value is recorded as {'amount': '+15'}^[27].

Body

Works and Contributions

Things named for 15 include Mount Everest^[28], a mountain^[29], in Nepal^[30]; 15 and 290 theorems^[31], a theorem^[32]; and Porcine coronavirus HKU15^[33], a taxon^[34].

Why It Matters

15 ranks in the top 8% of positive_integer entities by monthly Wikipedia readership (246 views/month).^[2] 15 has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.^[35] 15 is known by 48 alternative names across languages and contexts.^[36]

Entities named for 15 include Mount Everest^[28], a mountain^[29], in Nepal^[30]; 15 and 290 theorems^[31], a theorem^[32]; and Porcine coronavirus HKU15^[33], a taxon^[34].