15475 = 1547500%
Yes.
no,153
No.
The first five square numbers greater than 100 are 121, 144, 169, 196, and 225.
121 degrees is an obtuse angle because it is greater than 90 but less than 180 degrees
They are: 121 144 and 169
The smallest perfect square is 121.
It is an obtuse angle because it is greater than 90 but less than 180 degrees
11 is a factor of 11. It's also a factor of 121. So 11 must be the greatest factor that's common to both 11 and 121. If there were a greater one, then there would have to be a factor of 11 that's greater than 11, which would not be easy.
121, 144, 169, 196, 225, 256, 289, 324, and 361. 121 144 169 196 225 256 289 324 361
121.