What is figurate numbers - Definition and Meaning

Figurate Numbers :

Figurate numbers are the numbers which can be represented as a geometrical shape formed by equally spaced dots. It can be triangle, square, polygonal numbers, etc. The first few pentagon numbers are 5, 10, 15 etc, as seen in the below image.

Formula :

Poly-topic Number Pr(n) = nr / r!

Example :

Figurate Numbers example
Fermat Number Finite

Learn what is figurate numbers. Also find the definition and meaning for various math words from this math dictionary.

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