159119

Properties

Appears in sequences

• a(n) contains the digit b-1 in all bases b from 2 to n.at n=16A051640
• Smallest number which does not use digit n-1 written in base n, but does use digit b-1 written in base b for any 1<b<n.at n=17A119354
• Triple-safe primes p: p, (p-1)/2, (p-3)/4, and (p-7)/8 are all prime.at n=17A157358
• Numbers k such that 6*5^k - 1 is prime.at n=27A257790
• Prime numbersat n=14607