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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.

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