100,002.
It is 1,000,002
It is 10.
638
smallest 8 digit number with three different digits
102 is the smallest three digit number with different digits.
999999
102
102.
1023
12345
102,345
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.