74441

Properties

Appears in sequences

• Records in A034694.at n=28A120856
• Records in A066674.at n=23A125879
• Primes containing the string 444.at n=13A166582
• a(n) = number of primes p, p <= 2^n, where 2^n + p is composite.at n=20A175148
• Record values in A061026, the smallest number m such that n divides phi(m), where phi is Euler's totient function.at n=25A233517
• Larger of emirp pairs that are merely reversals of their end digits.at n=39A263242
• The primes associated with A239800 (1 if A239800(n) = 0).at n=19A342365
• a(n) = Sum_{k=1..n} gcd(k,n)^(n/gcd(k,n) - 1).at n=27A342437
• Primes that are the sum of some number of consecutive prime squares.at n=39A376916
• Prime numbersat n=7343