101281

Properties

Appears in sequences

• Prime p1 of the form a^b - c^d = p1, where a, b, c, d are primes and a + b + c + d = p2, where p2 (A164062) is also prime.at n=13A164061
• Prime p1 of the form a^b - c^d = p1, where a, b, c, d are primes and a + b + c + d = p2, where p2 (A164064) is prime and conc(abcd) = p3 (concatenation of a, b, c, d) is also prime (A164065).at n=4A164063
• Primes n that are concatenation of two 3-digit primes p<q.at n=5A168529
• Emirps that become their own reversals when rotated through 180 degrees (including on calculator display).at n=11A209620
• Primes that are the concatenation of two 3-digit primes.at n=5A255976
• Primes of the form abs(-66n^3 + 3845n^2 - 60897n + 251831) in order of increasing nonnegative n.at n=25A272438
• a(n) = (p-1)! mod p^3, where p = prime(n).at n=23A330526
• Primes such that x^16 = 2 has a solution in Z/pZ, but x^32 = 2 does not.at n=35A373468
• Prime numbersat n=9700