Database of Number Correlations The purpose of this section is to discover unexpected connections between various material and occult phenomena. A great resource for mathematicians. Notable Events for over 2000 years of history: Discover unusual synchronicities in World History. 2500 plus pages.

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<1679

Number Data-Base Random Number

1681>

The Number 1680: Properties and Meanings

Prime Factors of 1680=2x2x2x2x3x5x7.

1680 is an Octagonal Number.

The Year 1680 AD

In the year 1680 AD Athanasius Kircher died.(Esoteric History)

<1679

Number Data-Base Random Number

1681>

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