Menu
Start Here
Our Story
Hire a Tutor
Upgrade to Math Mastery
8thheptagonalnumber
<-- Enter heptagonal number statement
Calculate heptagonal number 8
The formula for heptagonal number n is as follows
H
n
=
n(5n - 3)
2
Given n = 8, we have:
H
8
=
8(5(8) - 3)
2
H
8
=
8(40 - 3)
2
H
8
=
8(37)
2
H
8
=
296
2
H
8
=
148
Run Another Calculation