1304719

Appears in sequences

• Numbers n divisible by pi(n) [A057809] with prime pi(n); i.e., largest prime factor of n equals pi(n).at n=10A071394
• a(n) is the largest number in the set of solutions to n=x/pi(x), where pi(x)=A000720(x).at n=11A087235
• Consecutive min and max-terms of solution-clusters of A057809, i,e, least and largest solutions to n=x/A000720[x].at n=23A087241