1 + 6 = 7 x 3 = 21
5 + 4 = 9 x 3 = 27
6 + 3 = 9 x 3 = 27
4 + 9 = 13 x 3 = 39
2 + 5 = 7 x 3 = 21
3 + 8 = 11 x 3 = 33
None of the numbers listed are
21
2
The sum is 22 times the sum of the three digits.
27
27
Eighteen
27
21
2
The sum is 22 times the sum of the three digits.
18. The sum of its digits is 9. And yes, it is unique.
45
27
-8
27
-4
I am a 3 digit number divisible by 7 but not 2 the sum of my digits is 4 what number am I