The Number 1800: Properties and MeaningsPrime Factors of 1800=2x2x2x3x3x5x5.
1800 is a 19-gonal Number.
1800 is a Pentagonal Pyramidal Number.
The Year 1800 ADIn the year 1800 AD Frenchmen, J.M. Jacquard invented the Jacquard Loom.
In the year 1800 AD Count Alessandro Volta invented the battery.
In the year 1800 AD Ebenezer Sibly died.(Esoteric History)
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