651
As a string, the largest number is 7111111.
86420
the largest five digit number that can be formed using the digits 7 and 9 is 97,000
99997
The largest ten digit number with no repeated digits is '9876543210'.
The largest number with no repeated digits is 9,876,543,210 although it is 10 digits long, the largest 3 digit number with no repeated digits is 987
The largest ten digit number with no repeated digits is '9876543210'.
The largest 3 digit number whose digits are all primes is 777. The largest 3 digit number with different prime digits is 753.
The largest 10-digit number with no digit repeated is 9876543210 !
The largest four-digit odd number that can be formed using the digits 1-9 is 9871. This number uses the highest available digits while ensuring the last digit is odd, which is necessary for the number to be classified as odd.
You get the largest number if you sort the digits, from largest to smallest.
985