69931

Properties

Appears in sequences

• Primes that remain prime through 4 iterations of function f(x) = 9x + 2.at n=29A023324
• a(n) = (117*n^2 - 99*n + 2)/2.at n=35A050408
• Numbers n such that the last 9 decimal digits of the n-th Fibonacci number is pandigital 1-9.at n=22A112371
• Primes p such that pi(p) is obtained by dropping one of the digits of p in decimal expansion.at n=22A114924
• Primes p such that the decimal expansion of p remains prime under two iterations of base-10 to base-2 conversions.at n=18A123266
• Primes p with same last three digits as k, where prime(k) = p.at n=5A232104
• Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 30", based on the 5-celled von Neumann neighborhood.at n=20A274487
• Primes associated with the indices in A362060.at n=22A362066
• Let D(k) = {d(k,i)}, i = 1,2,...,q be the set of q divisors of an integer k. a(n) is the smallest number k such that there exist exactly n distinct integers M, 1 < M < k, where each set D(k) mod M is a multiplicative group.at n=52A379645
• Prime numbersat n=6931