12345
9876 and 1234
11223344
1000023 i think
3
102 is the smallest three digit number with different digits.
Since there are only five different digits, a 6-digit number can only be generated if a digit can be repeated. If digits can be repeated, the smallest 6-digit number is 111111.
1023
102,345
12345
100,002.
10002
It is 1,000,002
9876 and 1234
11223344
.012 i win
1357