1069199

Properties

Appears in sequences

• Primes that remain prime through 5 iterations of function f(x) = 2x + 1.at n=5A023330
• Initial (unsafe) primes of Cunningham chains of first type with length exactly 6.at n=5A059766
• Primes of the form 4*k-1 such that 8*k-1, 16*k-1, 32*k-1 and 64*k-1 are also primes.at n=10A101995
• Primes which start a Cunningham chain of length 4 where every entity of the chain is smallest of the prime number pair (p, p+8).at n=1A237017
• Prime numbersat n=83487