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The Number 1620: Properties and MeaningsPrime Factors of 1620=2x2x3x3x3x3x5.
The 1620 Geographos asteroid. The name was chosen to honour the National Geographic Society.
The Year 1620 ADIn the year 1620 AD the earliest human-powered submarine was invented.
In the year 1620 AD Robert Turner 'of Holshot', translator of magical texts, was born.(Esoteric History)
Share any properties and meanings for particular Numbers...contact me directly, thanks.