It can be. 11 is a proper factor of 22, among others.
Since no integer multiplied by itself can yield 111, it is not a perfect square. 121, however, is a perfect square. Its square root is 11.
11 * 11 * x * x
333 3 11 111
7x2 - 847 [First factor out a 7] 7(x2 - 121) [Now factor it totally] 7(x + 11)(x - 11) x = 11 and -11
11 is not a factor of 111.
11 is not a factor of 111.
1 x 111 = 111
11 is not a factor of 111.
11 times 11 = 121
The factor that is paired with 11 to get 121 is 11. Eleven times eleven is equal to 121. Another way to say this is 11 to the power of 2, which means 11 x 11.
11 x 10 = 110
Just 1
11 x 11 = 121
11 times 11 equals 121
4 is paired with 6 to get 24
11 x 10 = 110