What is the number 18?
The number 18 is an even number that comes just after 17 and right before 19. It is not a prime number because it can be evenly divided by 2, 3, 6, and 9, in addition to 1 and itself. In American politics, Ulysses S. Grant was the 18th president of the United States. He served from 1869 to 1877 and was a commanding general during the Civil War before becoming president. In science, 18 is the atomic number of argon, a noble gas used in light bulbs and welding. In many countries, 18 is the legal age of adulthood, marking the right to vote, drive, or sign official documents.
Number 18 in different languages
- English: Eighteen
- French: Dix-huit
- Spanish: Dieciocho
- Arabic: ثمانية عشر
- German: Achtzehn
- Chinese: 十八
- Japanese: 十八
- Korean: 열여덟
- Portuguese: Dezoito
- Italian: Diciotto
- Hindi: अठारह
- Russian: Восемнадцать
- Turkish: On sekiz