a(n) = the largest n-digit number with exactly 5 divisors, a(n) = 0 if no such number exists.
A182647
a(n) = the largest n-digit number with exactly 5 divisors, a(n) = 0 if no such number exists.
Terms
- a(0) =0a(1) =81a(2) =625a(3) =2401a(4) =83521a(5) =923521a(6) =7890481a(7) =88529281a(8) =895745041a(9) =9597924961a(10) =96254442001a(11) =988053892081
External references
- oeis: A182647