163985

Appears in sequences

• Solutions to A096509[x]=7; number of prime-powers [including primes] in the neighborhood of x with Ceiling[Log[x]] radius equals 7.at n=15A096518
• a(n) is the least semiprime such that a(n) - n and a(n) + n are the previous and the next semiprimes.at n=15A365222