☑️ Finding Smallest Number With All Set Bits. ☑️
Code
# Code
```dart []
class Solution {
  int smallestNumber(int n) {
    while(true){
        List<String> conv = n.toRadixString(2).split("");
        if(conv.toSet().length == 1 && conv.first == "1"){
            return n;
        }

        n++;
    }

    return 999;
  }
}
```
['Math', 'Bit Manipulation', 'Dart']