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The Number 63: Properties and MeaningsPrime Factors of 63=3x3x7.
63 is an Octahedral Number.
63 is a 22-gonal Number.
63 is a Mersenne Number.
63 is a Delannoy Number.
63 is the number of partially ordered sets of 5 elements.
The Chemical Element Europium has an atomic number of 63.
The Year 63 ADIn the year 63 AD Vespasian became governor of Africa.
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