The smallest is 29.
31.
97, for example.
No, 11 is the only palindromic prime with an even number of digits.
Off the top of my head, 1001 is the answer. Check it out and see . . . _________ 1001 is not prime. 7 X 143 equals 1001. There is 11, which is prime and which has 2 digits.
A prime number with identical digits is 11.
12
31.
'17' is a prime number. The sum of the digits is 1 + 7 = 8 > 7.
97, for example.
No, 11 is the only palindromic prime with an even number of digits.
Off the top of my head, 1001 is the answer. Check it out and see . . . _________ 1001 is not prime. 7 X 143 equals 1001. There is 11, which is prime and which has 2 digits.
It has been proven that there is no largest prime number, and therefore there exists a prime number, in fact, infinitely many, greater than 10^999999999 (having a billion digits); however, no humans have actually found a specific number of that size and identified it as prime.
A prime number with identical digits is 11.
Any prime numbers of about 66 or 67 digits will do.
43
The number 11 is prime and has two identical digits.
0, 2, 4, 6, or 8