In the decimal system, the largest digit in any place is 9.
9399
99939
299
The highest such number is 93999.
999698
The largest six digit number period is 999999. The largest number meeting your criteria is 998949.
900 It is the only three digit number with a nine in the numbers place
9399
The largest single digit in our numerical system is 9. Once you write 10, you have two digits.
999698
2
99939
299
The highest such number is 93999.
2
999698
93,998