What is another word for polygonal numbers?
Pronunciation: [pˌɒlˈɪɡənə͡l nˈʌmbəz] (IPA) 
Polygonal numbers are a fascinating concept in mathematics, and there are several synonyms that can be used to describe them. One common term is "figurate numbers," as these numbers can be represented as geometric figures with a certain number of sides. This includes triangular numbers, square numbers, pentagonal numbers, and so on. Another term that can be used is "polyhedral numbers," which refers to numbers that can be represented as the sum of the volumes of a series of polyhedra. Other synonyms for polygonal numbers include "polygonal sequence" and "polygonal series." Regardless of the term used, these numbers have a rich history in mathematics and continue to be a topic of study and fascination for many researchers.
