0111 if a leading 0 is permitted, 1011 otherwise.
1000
Zero isn't the smallest number, if a number at all. Negative numbers such as -4 are smaller.
Technically, the answer is zero. Since zero times anything is always zero, the smallest product that can be made is always zero no matter what other factors are at play.
The smallest number is zero. The largest number is 63.
The smallest number on the computer keyboard is zero (0)
zero is the smallest even number (0)
zero
1011 (assuming leading 0s are disallowed).
Zero
zero
Absolute Zero
smallest: zero largest: five thousand