70115412

Appears in sequences

• a(n) is smallest number m such that m = n*pi(m), where pi(k) = number of primes <= k (A000720).at n=15A038625
• Consecutive min and max-terms of solution-clusters of A057809, i,e, least and largest solutions to n=x/A000720[x].at n=30A087241
• a(n) is the smallest number such that pi(n) divides n a record-breaking prime number of times.at n=6A121971