7629217

Properties

Appears in sequences

• First known infinite sequence containing no odd integer of the form 2^m+p (p prime).at n=0A080340
• Prime Riesel numbers: primes p such that p*2^k - 1 is composite for all positive integers k.at n=13A182296
• Odd integers n such that for every integer k>0, n*2^k-1 has a divisor in the set {3, 5, 7, 13, 17, 241}.at n=30A244070
• Prime numbersat n=516442