The Number 789: Properties and MeaningsPrime Factors of 789=3x263.
789 is a 264-gonal Number.
The Year 789 ADIn the year 789 AD Vikings reached Britain.
In the Year 789 AD Charlemagne introduced the royal foot as the unit of length, and the "Karlspfund" (about 365 grams) as a unit of weight.
In the Year 789 AD Constantine became king of the Picts.
In the Year 789 AD the Offas Dyke was built.
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