4573999

Properties

Appears in sequences

• Prime values of n for which n*2^k + 1 is composite for all positive integers k.at n=11A137715
• Odd integers m such that for every integer k > 0, m*2^k+1 has a divisor in the set {3, 5, 7, 13, 17, 241}.at n=20A244561
• Prime numbersat n=320743