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5thhexagonalnumber
<-- Enter hexagonal number statement
Calculate hexagonal number 5
The formula for hexagonal number n is as follows
H
n
= n(2n - 1)
Given n = 5, we have:
H
n
= 5(2(5) - 1)
H
n
= 5(10 - 1)
H
n
= 5(9)
H
5
=
45
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