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