Menu
Start Here
Our Story
Hire a Tutor
Upgrade to Math Mastery
4thheptagonalnumber
<-- Enter heptagonal number statement
Calculate heptagonal number 4
The formula for heptagonal number n is as follows
H
n
=
n(5n - 3)
2
Given n = 4, we have:
H
4
=
4(5(4) - 3)
2
H
4
=
4(20 - 3)
2
H
4
=
4(17)
2
H
4
=
68
2
H
4
=
34
Run Another Calculation