36 of them.
12689 14689 12489
Among whole numbers, 1,023,456 is.
smallest 8 digit number with three different digits
73 is the largest two-digit number that is prime and has prime numbers for both of its digits.
The sum is 22 times the sum of the three digits.
The number of six digit numbers that you can make from ten different digits ifrepetitions of same digit on the six digit number is allowed is 1 000 000 numbers(including number 000 000).If no repetitions of the the same digit are allowed then you have:10P6 = 10!/(10-6)! = 151 200 different six digit numbers(six digit permutations form 10 different digits).
12689 14689 12489
Among whole numbers, 1,023,456 is.
5040 different 4 digit numbers can be formed with the digits 123456789. This is assuming that no digits are repeated with each combination.
36
smallest 8 digit number with three different digits
102 is the smallest three digit number with different digits.
73 is the largest two-digit number that is prime and has prime numbers for both of its digits.
The sum is 22 times the sum of the three digits.
In the numbers 1-9 each number has 1 digit and there are 9 of them, so that's 9.In 10-99 each number has 2 digits, and there are 90 of them: 2x90 = 180There are 900 three digit numbers [100 through 999]: 2700 digits.There are 9000 four digit numbers: 36000 digits.90,000 numbers with five digits: 450,000 digits.900,000 numbers with six digits: 5,400,000 digits.Then 1 number with seven digits: 7 digits.Add them up and you have 5,888,896 digits.
Any number that has 4 or 5 digits. A digit in a number is one number place. 1 has 1 digit, 11 has 2 digits, 111 has 3 digits, and so on.
9,999,876 is the greatest seven-digit number using four different digits.