The answer is infinite. There is no collection of nines so large that you can't add another nine to it.
There are 3,265,920 numbers that can be formed using all the digits. The answer to the question will depend on which one of these.
The greatest number that can be formed using the digits 9, 0, 0, 0, and 0 is 99,000. The least number that can be formed using these digits is 9,000.
the largest five digit number that can be formed using the digits 7 and 9 is 97,000
102345
-4790281
There are 3,265,920 numbers that can be formed using all the digits. The answer to the question will depend on which one of these.
The greatest number that can be formed using the digits 9, 0, 0, 0, and 0 is 99,000. The least number that can be formed using these digits is 9,000.
the largest five digit number that can be formed using the digits 7 and 9 is 97,000
102345
1023459
Without using exponents or factorials, that's it.
99997
-4790281
9650 is the largest formed by re-ordering the digits.
3201
Try 130. Or how about 310.
94205 if digits are not to be repeated and 99999 if digits can be repeated