63419

Properties

Appears in sequences

• Primes that remain prime through 3 iterations of the function f(x) = 2*x + 1.at n=29A023272
• Primes that remain prime through 4 iterations of function f(x) = 2x + 1.at n=6A023302
• Primes that remain prime through 5 iterations of function f(x) = 2x + 1.at n=1A023330
• Initial (unsafe) primes of Cunningham chains of first type with length exactly 6.at n=1A059766
• Primes of the form 4*k-1 such that 8*k-1, 16*k-1 and 32*k-1 are also primes.at n=9A101795
• 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=2A101995
• Beginnings of maximal chains of primes with four members (three links).at n=19A152867
• Number of directed multigraphs including self-loops on n vertices and n edges.at n=7A362387
• Prime numbersat n=6356