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The Number 280: Properties and MeaningsPrime Factors of 280=2x2x2x5x7.
280 is an Octagonal Number.
According to alien contactee Billy Meier there are 280 chemical elements in the universe, but it is a creational law that no single star contains all 280 of them.
The Year 280 ADIn the year 280 AD ...
Share any properties and meanings for particular Numbers...contact me directly, thanks.