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0123 if you can have zero at the front if not then 1023

Q: What is the smallest number containing the digits 0 1 2 3?

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1023456789

It is 10000.

4079

4

2034

Related questions

1023

1023456789

After the null set, the set containing only the number 0 ie {0}.

It is 10000.

Ten million - smallest number as in a 1 and 7 0 10,000,000

4079

4

The smallest 5-digit number is 10000. To get the smallest 5-digit number, we put a 1 in the first column (since we can't start with a 0 or else we'd get a 4 digit number!), then put a 0 in every other column.

2034

5

5

You can make: 1 combination containing 0 digits, 7 combinations containing 1 digits, 21 combinations containing 2 digits, 35 combinations containing 3 digits, 35 combinations containing 4 digits, 21 combinations containing 5 digits, 7 combinations containing 6 digits, and 1 combinations containing 7 digits. That makes 2^7 = 128 in all.