49657

Appears in sequences

• Quasi-Carmichael numbers to base -3: squarefree composites n such that for every prime p that divides n, p+3 divides n+3.at n=9A029563
• Numbers whose set of base-11 digits is {3,4}.at n=40A032835
• Integers k such that 10^k + 31 is prime.at n=15A107083
• Numbers k such that k!6 - 12 is prime, where k!6 is the sextuple factorial number (A085158).at n=27A289688