+647 is a [Natural number](/wiki/Natural_number) that follows 646 and precedes 648. It is also a [Prime number](/wiki/Prime_number), divisible only by one and itself, marking a unique point in the sequence of integers.
+## See also
+- [Integer](/wiki/Integer)
+- [Number theory](/wiki/Number_theory)
+- [Divisor](/wiki/Divisor)
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