508559

Properties

Appears in sequences

• Primes of the form 8*k-1 such that 4*k-1, 16*k-1 and 32*k-1 are also primes.at n=28A101796
• Primes of the form 16*k-1 such that 4*k-1, 8*k-1 and 32*k-1 are also primes.at n=21A101797
• Primes of the form 8*k-1 such that 4*k-1, 16*k-1, 32*k-1 and 64*k-1 are also primes.at n=5A101996
• 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=4A101997
• Double-safe primes which are also double-Sophie Germain primes.at n=9A162019
• Prime numbersat n=42183