0123456789
111111. Since there are six digits, there must be a repeated digit, so why not repeat all ones to get the smallest one.
what is the smallest possible whole number of the digits 3,6,1,8
9876543.
999,999,999,999
Including the leading zero, the smallest number you can make from the digits 03418 is 01348. Without the leading zero in the ten thousands column, the smallest number you can form from the digits 03418 is 10348.
1023456789
10234567
10234567
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.
100,000,000,000
103
102
The smallest number with no digits repeated would either be zero or one, depending on the set of numbers you want to choose from.
1000000000 or, if negative numbers are permitted, then -9999999999
The first digit would have to be 1, the remaining digits, zero.
5
There are only two smaller 3-digit numbers and both of them have repeated digits.