43 is prime as the only factors of 43 are 1 and 43. The first square number is 1 because \(1 \times 1 = 1\). The second square number is 4 because \(2 \times 2 = 4\) The third square number is 9 ...

V.O: Take a look. What do you see? What do you see! Numbers, well done… Give yourself a healthy sugar free snack and take the rest of the day off… NO! Think it was going to be this easy?

But the math? That is delectable ... it’s also a centered octagonal number – which, much like with square numbers, is precisely what it sounds like: it means we can draw a perfect octagon ...