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The Number 1668: Properties and Meanings
Prime Factors of 1668=2x2x3x139.1668 is the number of + signs needed to write the Partitions of 17
1668 is the maximal number of regions into which space can be divided by 18 Spheres.
The Year 1668 AD
In the year 1668 AD Isaac Newton invented a reflecting telescope.
The Main Number Sections:
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Number Articles | Higher Numbers | Random Number
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