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8thhexagonalnumber
<-- Enter hexagonal number statement
Calculate hexagonal number 8
The formula for hexagonal number n is as follows
H
_{n}
= n(2n - 1)
Given n = 8, we have:
H
_{n}
= 8(2(8) - 1)
H
_{n}
= 8(16 - 1)
H
_{n}
= 8(15)
H
_{8}
=
120
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