102
The smallest 3 digit counting number less than 1000?? 100
123456.
1023456789
1234567
102345
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.
0123456789
10234567
1,234,567
102
100,000,000,000
103