102 is the smallest three digit number with different digits.
smallest 8 digit number with three different digits
638
102
102
100,002.
10002
All five digit numbers have three digits. The smallest five digit whole number is 10,000
what is the smallest possible whole number of the digits 3,6,1,8
How about 256
There are only two smaller 3-digit numbers and both of them have repeated digits.
1023456789