99987
99,999,876
99,999,987
999987
9,999,876 is the greatest seven-digit number using four different digits.
1324
99,999,876
99,999,987
999987
9,999,876 is the greatest seven-digit number using four different digits.
9999876
1324
greatest number9999987
The greatest nine-digit number is 999,999,999. This is achieved by having all nine digits as the highest single-digit number, which is 9. Any variation with lower digits would result in a smaller number.
3201
The greatest six-digit number is 199,999.
10023?
99,887