What is the number 30?
The number 30 is an even number that comes just after 29 and right before 31. It is not a prime number because it can be evenly divided by 2, 3, 5, 6, 10, and 15, in addition to 1 and itself. In American politics, Calvin Coolidge was the 30th president of the United States. He served from 1923 to 1929 and is known for his quiet leadership during the economic prosperity of the Roaring Twenties. In the calendar, several months have 30 days, such as April, June, September, and November. In science, 30 is the atomic number of zinc, a metal used in batteries, alloys, and to prevent rust on other metals.
Number 30 in different languages
- English: Thirty
- French: Trente
- Spanish: Treinta
- Arabic: ثلاثون
- German: Dreißig
- Chinese: 三十
- Japanese: 三十
- Korean: 서른
- Portuguese: Trinta
- Italian: Trenta
- Hindi: तीस
- Russian: Тридцать
- Turkish: Otuz