answersLogoWhite

0

35.

The first few pentagonal numbers are:

1-1, five, 12-number, 22-number, 35-number, 51-number, 70-number, 92-number, 117, 145, 176, 210, 247, 287, 330, 376, 425, 477, 532, 590, 651, 715, 782, 852, 925, 1001-number

Source: pentagonal-number

User Avatar

Wiki User

15y ago

Still curious? Ask our experts.

Chat with our AI personalities

RossRoss
Every question is just a happy little opportunity.
Chat with Ross
JordanJordan
Looking for a career mentor? I've seen my fair share of shake-ups.
Chat with Jordan
ViviVivi
Your ride-or-die bestie who's seen you through every high and low.
Chat with Vivi

Add your answer:

Earn +20 pts
Q: What is the fifth pentagonal number?
Write your answer...
Submit
Still have questions?
magnify glass
imp