Six: 234, 243, 324, 342, 423, and 432.
Using the digits of 1345678, there are 210 three digit numbers in which no digit is repeated.
874321 is the largest number made from all these digits.
24680 using only even numbers or 12346 which is an even number
9,999,876 is the greatest seven-digit number using four different digits.
100122 or, if negative numbers are permitted, -998877
Using the digits of 1345678, there are 210 three digit numbers in which no digit is repeated.
34, 45 etc.
012345 or -543210, if negative numbers are permitted.
874321 is the largest number made from all these 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).
24680 using only even numbers or 12346 which is an even number
9,999,876 is the greatest seven-digit number using four different digits.
100122 or, if negative numbers are permitted, -998877
No, a 10-digit phone number that is missing the last three digits can not be a legitimate number. In order for a number to work, it must have 3 numbers for an area code and seven digits for the phone number itself. Some telemarketers are now using fake numbers to hide from the people they're calling.
18
There are 60480 numbers.
2