1041041

Properties

Appears in sequences

• Palindromic primes in the sense of A007500 with digits '0', '1' and '4' only.at n=12A199304
• Primes formed by concatenating k, k, and 1 for k >= 1.at n=27A210511
• a(n) is the smallest prime of more than n digits such that the number formed by first n digits is same as the number formed by last n digits.at n=3A228566
• Periodic primes: primes p whose decimal expansion can be written as sss...st, where s is nonempty string of digits not beginning with 0, there are at least two copies of s, and t (which may be absent) is a prefix of s.at n=9A232066
• Prime numbersat n=81481