44131

Properties

Appears in sequences

• Primes that remain prime through 4 iterations of function f(x) = 9x + 2.at n=23A023324
• a(n) = min{ m : sum_{n <= i <= m} 1/p_i > 1}, where p_i is the i-th prime = A000040(i).at n=29A092325
• Primes p such that q-p = 28, where q is the next prime after p.at n=32A124595
• Primes p containing the string "13" and sum of digits sod(p) = 13.at n=32A175017
• Number of nondecreasing sequences of n 1..6 integers with no element dividing the sequence sum.at n=40A212866
• Primes p with f(p), f(f(p)) and f(f(f(p))) all prime, where f(n) = prime(n) - n + 1.at n=22A235934
• Primes p such that the sum of the squares of digits of p equals the sum of digits of p^2.at n=21A290972
• Main diagonal of A332374.at n=19A332375
• Numbers that are the sum of seven fourth powers in nine or more ways.at n=17A345575
• Numbers that are the sum of seven fourth powers in exactly nine ways.at n=16A345831
• Prime numbersat n=4595