Yes.
11
11
There are the same number: any twelve digit palindrome is just an eleven digit palindrome with its central digit repeated. In general, if we are considering numbers of n digits: For even values of n, the number of palindromes is 9 x 10n/2 - 1 For odd values of n, the number of palindromes is 9 x 10(n-1)/2
2 digit number
A nonprime number divided by a nonprime number could be either a prime number or a nonprime number. For example, the nonprime number 64 divided by the nonprime number 32 equals the prime number 2. As an example of the other case, the nonprime number 100 divided by the nonprime number 25 equals the nonprime number 4.
Yes.
It is 77.It is 77.It is 77.It is 77.
11
11
The only 2-didgit palindromic prime is 11.
The only number that fits those conditions is... 55
A palindromic number is the same forwards as backwards. In the case of a two-digit number, that means the two digits are the same: 11, 22, 33, 44, 55, 66, 77, 88, and 99. The only one that is prime is 11, since the others are all multiples of 11.
There are the same number: any twelve digit palindrome is just an eleven digit palindrome with its central digit repeated. In general, if we are considering numbers of n digits: For even values of n, the number of palindromes is 9 x 10n/2 - 1 For odd values of n, the number of palindromes is 9 x 10(n-1)/2
1 to 1000. Pilandromic 108
No. When adding the smallest 2 digit number (= 10) to the smallest 2 digit number (again, 10) the result is a 2 digit number (10 + 10 = 20). When adding the largest 2 digit number (= 99) to the largest 2 digit number (again, 99) the result is a 3 digit number (99 + 99 = 198). As you can see, you'll either get a 2 or 3 digit number, but never a 4 digit number.
2 digit number