11 is the answer.
Any prime number greater than 11.
11
11
yes , 11
11 is the answer.
Any prime number greater than 11.
11
11
yes , 11
11 + 101 = 112
11 13 17.
The first four prime numbers greater than 10 are , 11, 13,17,19 Their mean is (11 + 13 + 17 + 19) / 4 = 15 NB '15' is NOT a prime number.
The smallest is 29.
No, 11 is the only palindromic prime with an even number of digits.
It depends on the value of r, which you have not specified.
That would be the square of a prime number, in this case, 11 x 11 = 121.