Chat with our AI personalities
Sure. Any 1-digit number contains only one-digit numbers as factors. Any larger number, on the other hand, contains itself as a factor, so these can be excluded.
1,2,23 and 46 are the only even factors of 46 so this is impossible
6 is the only single digit perfect number.
81 is.
No. A digit is a single number from 0 to 9