64 + 16
8081 can be the sum of two perfect squares because its perfect squares are 41 x41+80x80=1681+6400. Answer=1681+6400
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)
85
There is no single number here. The two seed numbers are 5 and 6; their squares sum to 61.
The two numbers are 9 and 13.
The sum of their squares is 10.
8081 can be the sum of two perfect squares because its perfect squares are 41 x41+80x80=1681+6400. Answer=1681+6400
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)
85
Sum of squares? Product?
There is no single number here. The two seed numbers are 5 and 6; their squares sum to 61.
The two numbers are 9 and 13.
There is a formula for the difference of two squares. The sum of two squares doesn't factor.
5
The two consecutive negative odd integers having 74 as the sum of their squares are -5 and -7.
64 and 36.
How about: 36+64 = 100