Enter pentagonal number statement
Calculate pentagonal number 6
Pentagonal Number Formula
| Pn = | n(3n - 1) |
| 2 |
Given n = 6, we have:
| P6 = | 6(3(6) - 1) |
| 2 |
| P6 = | 6(18 - 1) |
| 2 |
| P6 = | 6(17) |
| 2 |
| P6 = | 102 |
| 2 |
P6 = 51
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Free Pentagonal Number Calculator - This calculator determines the nth pentagonal number
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What 5 concepts are covered in the Pentagonal 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.
- 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.
- pentagon
- a polygon of five angles and five sides
- pentagonal number
- A number that can be shown as a pentagonal pattern of dots.
n(3n - 1)/2
