There are 449999 such numbers.
720 of them.
There are 90,000 such numbers.
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).
six
There are a handful of six digit numbers that have no numbers repeating. Some examples are 123456, 234567, 345678, 456789, 567012, 654321, 765432, 876543, and 987654.
987654
100,000
Six
899100 of them. Only 900 of the 900000 are palindromic.
There are 500000 such numbers.
999999 is six digits and odd.