4194277

Properties

Appears in sequences

• a(n) = 2^n - 27.at n=22A220087
• Primes of the form (2^n - 1)*(2^(m+3)) + 5 where n >= 1, m >= 1.at n=32A225214
• Prime numbers of the form 4^k - 27.at n=4A275750
• a(n) is the largest prime p < 2^n such that p + 2^n is also prime.at n=20A282565
• Prime numbersat n=295945