+A **polygonal number** is a count of dots that can be arranged to form a regular polygon. These geometric numbers are a subset of [Figurate Number](/wiki/figurate_number), extending concepts like the [Square Number](/wiki/square_number) to shapes of any side count.
+## See also
+- [Triangular Number](/wiki/triangular_number)
+- [Pentagonal Number](/wiki/pentagonal_number)
+- [Hexagonal Number](/wiki/hexagonal_number)
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