| <1779 | Number Data-Base Random Number |
1781> |
The Number 1780: Properties and Meanings
Prime Factors of 1780=2x2x5x89.
1780 is a 298-gonal Number.
The Year 1780 AD
In the year 1780 AD Benjamin Franklin invented bi-focal eyeglasses.
In the year 1780 AD Gervinus invents the circular saw.
| <1779 | Number Data-Base Random Number |
1781> |
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