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Calculate octagonal number 3

Octagonal Numbers form dots in the shape of an octagon.

Octagonal Number Image:

Octagonal Number

Octagonal Number Formula:

On = n(3n - 2)

Given n = 3, we have:

O3 = 3(3(3) - 2)

O3 = 3(9 - 2)

O3 = 3(7)

O3 = 21


You have 2 free calculationss remaining


Octagonal Number List 1 - 3

nOctagonal number On
11
28
321


What is the Answer?
O3 = 21
How does the Octagonal Number Calculator work?
Free Octagonal Number Calculator - This calculator determines the nth octagonal number
This calculator has 1 input.

What 1 formula is used for the Octagonal Number Calculator?

On = n(3n - 2)

For more math formulas, check out our Formula Dossier

What 4 concepts are covered in the Octagonal Number Calculator?

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.
octagon
An eight (8) sided polygon
P = 8s
octagonal number
property
an attribute, quality, or characteristic of something
Example calculations for the Octagonal Number Calculator

Octagonal Number Calculator Video


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