1017119

Properties

Appears in sequences

• Primes of the form 16*k-1 such that 4*k-1, 8*k-1 and 32*k-1 are also primes.at n=28A101797
• Primes of the form 32*k-1 such that 4*k-1, 8*k-1 and 16*k-1 are also primes.at n=21A101798
• Primes of the form 16*k-1 such that 4*k-1, 8*k-1, 32*k-1 and 64*k-1 are also primes.at n=5A101997
• Primes of the form 32*k-1 such that 4*k-1, 8*k-1, 16*k-1 and 64*k-1 are also primes.at n=4A101998
• Double-safe primes which are also double-Sophie Germain primes.at n=14A162019
• a(n) is the least k such that A033273(k) is equal to (A033273(n*k + 1) - 1)/n where A033273(n) is the number of nonprime divisors of n.at n=39A352256
• Prime numbersat n=79763