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
smallest 8 digit number with three different digits
The smallest 4-digit number without any repeated digits is 1023, as it starts with the smallest possible digit (1) followed by the next smallest digits (0, 2, 3). The largest 4-digit number without any repeated digits is 9876, which uses the largest digits available in descending order.
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.
10,234
smallest 8 digit number with three different digits
102 is the smallest three digit number with different digits.
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.
No. 1000 has 4 digits and is the smallest 4-digit number. The smallest 3-digit number is 100.
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.
10,234
0123456789
10234567
It is 17.
1000001 is the smallest 7 digit odd number...
The smallest 3-digit palindrome number is 101.