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The Number 1684: Properties and Meanings
Prime Factors of 1684=2x2x421.
1684 is a 282-gonal Number.
1684 is a Centered Triangular Number.
1684 is a Centered 11-gonal Number.
The Year 1684 AD
In the year 1684 AD Christian Knorr von Rosenroth published second volume of Kabbala Denudata.(Esoteric History)
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