You didn't mention whether we're allowed to repeat (re-use) a digit.
Here are the smallest 5 primes using only those digits:
With repeated digit: 223, 233, 277
With no repeated digit: 257, 283
Chat with our AI personalities
smallest 8 digit number with three different digits
All five digit numbers have three digits. The smallest five digit whole number is 10,000
The smallest odd 7-digit number is 1,000,001 .If you also want the ones digit to be the sum of the thousands and ten-thousands digits,then the smallest odd 7-digit number that satisfies that additional requirement is 1,001,001,but it's no longer the smallest odd 7-digit number.
It is 17.
10,234