26849

Properties

Appears in sequences

• Where prime race 4m-1 vs. 4m+1 is tied.at n=6A007351
• Sum of a(n) terms of 1/k^(4/5) first exceeds n.at n=34A056180
• Primes p such that the number of primes less than p equal to 1 mod 4 is one less than the number of primes less than p equal to 3 mod 4.at n=20A096448
• Fixed points for prime number permutation A108546.at n=12A108547
• Primes for which the concatenation of the digits in the even positions and the concatenation of the digits in the odd positions are squares.at n=34A275797
• Primes p that remain prime through 3 iterations of function f(x) = 6x - 1.at n=27A289109
• Primes p whose reverse q is a semiprime, and of p+q and its reverse one is a prime and the other is a semiprime.at n=37A350781
• Prime numbersat n=2945