The numbers 111, 222, 333, 444, 555, 666, 777, 888 and 999 are all multiples of what number?

Question

If
111 = 09
444 = 12
777 = 15
Then
888 = ???

Answer 1

Any number multiply by 1 will give the same number.
So my answer is 1

Answer 2

multiples:3 and 37

Answer 3

111, 222, 333, 444, 555, 666, 777, 888, & 999 are all multiples of 37.
111 / (1+1+1) = 37; 222 / (2+2+2) = 37; 333 / (3+3+3) = 37 ..... 999 / (9+9+9) = 37
- Ulhas Shinde