Square the numbers and then add them together. Example: 62 + 82 = 36 + 64 = 100
Chat with our AI personalities
There is a calculation error.
8081 can be the sum of two perfect squares because its perfect squares are 41 x41+80x80=1681+6400. Answer=1681+6400
You count the inside squares of the figure.
The sum of the squares of the first 20 natural numbers 1 to 20 is 2,870.
It is Fermat's theorem on the sum of two squares. An odd prime p can be expressed as a sum of two different squares if and only if p = 1 mod(4)