| <1638 | Number Data-Base Random Number |
1640> |
The Number 1639: Properties and Meanings
Prime Factors of 1639=11x149.1639 is a Nonagonal Number.
1639 is a Centered 18-gonal Number.
1639 is the number of binary rooted trees with 16 vertices.
The Year 1639 AD
There was a Venus Transit in 1631 AD and a partner transit in 1639 AD. In the year 1639 AD Stefano Landi, Italian composer died.1639 Melchior Franck, German composer died.
| <1638 | Number Data-Base Random Number |
1640> |