52517

Properties

Appears in sequences

• Primes p that have at least four primitive roots that are not primitive roots mod p^2.at n=4A060520
• Primes which are the sum of the first k odd primes for some k.at n=14A071151
• Class 7+ primes.at n=6A081635
• a(n) = n-th prime of Erdős-Selfridge classification n+.at n=6A101253
• a(n)=numerator of the probability that (x-y)/(x+y)+(y-z)/(y+z)+(z-u)/(z+u)+ (u-x)/(u+x)>0, assuming that each random quadruple of integers (x,y,z,u), with a<=x,y,z,u<=n, is equally likely.at n=25A106199
• Indices of primes in the tribonacci-like sequence, A081172.at n=12A235396
• Primes p for which exactly six bases b with 1 < b < p exist such that p is a base b Wieferich prime.at n=3A255209
• Primes p such that every suffix of the ternary (base-3) representation of p is a prime.at n=47A278696
• Number of compositions of n that are proper powers of Lyndon words.at n=39A298971
• Prime numbersat n=5362