10645867

Properties

Appears in sequences

• Prime Riesel numbers: primes p such that p*2^k - 1 is composite for all positive integers k.at n=20A182296
• Odd integers n such that for every integer k>0, n*2^k-1 has a divisor in the set {3, 5, 7, 13, 19, 37, 109}.at n=5A244072
• Prime Riesel numbers p that are not Mersenne primes such that 2*p is a noncototient.at n=4A263958
• Prime numbersat n=704618