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The Number 1618: Properties and Meanings
Prime Factors of 1618=2x809.
1618 is a 271-gonal Number.
1618 is a Centered Heptagonal Number.
The Year 1618 AD
In the year 1618 AD Johann Baptista Grossschedel published Calendarium magicum (The Magical Calendar).(Esoteric History)
In the year 1618 AD Maier's Atlanta Fugiens was published.(Esoteric History)
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