Calculates the nth nonagonal number.
A nonagonal number is a figurate number. This is a number that can be represented by a regular geometrical arrangement of equally spaced points. If the arrangement forms a regular polygon, the number is called a polygonal.
Nonagonal Number Formula
Nn = n(7n - 5)/2
What 4 concepts are covered in the Nonagonal Number Calculator?
figurate number
a number that can be represented by a regular geometrical arrangement of equally spaced points. If the arrangement forms a regular polygon, the number is called a polygonal.
formula
a fact or a rule written with mathematical symbols. A concise way of expressing information symbolically.
nonagon
9 sided polygon or 9-gon
number
an arithmetical value, expressed by a word, symbol, or figure, representing a particular quantity and used in counting and making calculations and for showing order in a series or for identification. A quantity or amount.
