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> 9999876

Actually, 9999876 has four different digits (6, 7, 8, 9). The largest 7-digit number with three different digits is 9999987.

Q: What is the highest 7 digit number with 3 different digits?

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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.

123

36

There are 126 different 5 digit combinations. Note that the combination 12345 is the same as the combination 45312.

8765 and 8756 and 8675 There are 24 total.

Related questions

987654321 is the highest nine-digit number with no repeated digits.

9876543210

102 is the smallest three digit number with different digits.

smallest 8 digit number with three different digits

9,999,876 is the greatest seven-digit number using four different digits.

If repeated digits are allowed, then the largest 12-digit number is 999,999,999,999 .If repeated digits are not allowed, then the largest 12-digit number is 989,898,989,898 .If the same digit can't be used more than once, then the largest possible number has only10 digits. The number is 9,876,543,210 .

9876 is the largest four digit number you can make if all the digits must be different.

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.

88888888

99,001

Not necessarily. Consider 444. The digits are not different. The first and second digits are not multiples of 3 The first digit is not greater than the second digit. In spite of all that, 444 is a 3-digit number

Any two digit number in which: (a) the units digit is not 0, and (b) the two digits are different will form a new 2-digit number when the digits are interchanged.