64609

Properties

Appears in sequences

• Smallest prime having least positive primitive root n, or 0 if no such prime exists.at n=34A023048
• Primes that are congruent to -1 mod n, where n is the index of the prime.at n=11A052013
• Primes with 35 as smallest positive primitive root.at n=0A061738
• 24 'Reverse and Add' steps are needed to reach a palindrome.at n=30A065318
• Primes for which the smallest positive primitive root is odd and nonprime.at n=33A070269
• Let m = n-th number that is not a perfect power, A007916(n). Then a(n) = smallest prime having least positive primitive root m.at n=26A133432
• Primes p such that pi(p) divides p-1 and/or p+1, where pi(p) is the number of primes <= p.at n=18A162567
• Number of (w,x,y,z) with all terms in {0,...,n} and w=max{w,x,y,z}-min{w,x,y,z}; i.e., the range of (w,x,y,z) is its first term.at n=32A212744
• Primes p such that q = 2*p^3-1 and 2*p*q^2-1 are both prime.at n=18A224614
• Number of 2 X 2 matrices with all elements in {0,...,n} and prime determinant.at n=31A281315
• Primes having only {0, 4, 6, 9} as digits.at n=38A386073
• Prime numbersat n=6461