What is the number 15?
The number 15 is an odd number that comes just after 14 and right before 16. It is not a prime number because it can be evenly divided by 3 and 5, in addition to 1 and itself. In American politics, James Buchanan was the 15th president of the United States. He served from 1857 to 1861 and is known for his leadership during the years leading up to the Civil War. In math, 15 is a triangular number, meaning it can form a triangle when represented with dots. In games, the number 15 is the highest value ball in a standard game of pool, marked with a striped pattern and the color maroon.
Number 15 in different languages
- English: Fifteen
- French: Quinze
- Spanish: Quince
- Arabic: خمسة عشر
- German: Fünfzehn
- Chinese: 十五
- Japanese: 十五
- Korean: 열다섯
- Portuguese: Quinze
- Italian: Quindici
- Hindi: पंद्रह
- Russian: Пятнадцать
- Turkish: On beş