9,999,876 is the greatest seven-digit number using four different digits.
The greatest 4-digit number with no repeated digits is... 9876
9999
90001smallest six-digit whole number= 100000greatest four-digit whole number = 9999100000 - 9999 = 90001
1,004
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11
9,999,876 is the greatest seven-digit number using four different digits.
9,999 is the greatest four digit number.
The greatest 4-digit number with no repeated digits is... 9876
9998
8642
9999
90001smallest six-digit whole number= 100000greatest four-digit whole number = 9999100000 - 9999 = 90001
9801.
1,004
Every square of a 4 digit number has more than four digits.