47417

Properties

Appears in sequences

• From variance of Fibonacci search.at n=15A006479
• Primes that remain prime through 4 iterations of function f(x) = 4x + 3.at n=21A023311
• Primes that remain prime through 5 iterations of function f(x) = 4x + 3.at n=7A023339
• Primes p such that p^4 + p - 1, p^4 + p^2 - 1, p^4 + p^3 - 1 are also prime.at n=6A226938
• Lesser twin prime p such that p^2-p-2 is the average of a larger twin prime pair.at n=39A231652
• Smallest of four consecutive primes in arithmetic progression with common difference 42 and all digit sums prime.at n=21A277607
• Prime-indexed primes q such that prime(q) + q + 1 is a prime-indexed prime.at n=20A318292
• Prime numbersat n=4889