a(n) = the largest n-digit number with exactly 10 divisors, a(n) = 0 if no such number exists.
A182680
a(n) = the largest n-digit number with exactly 10 divisors, a(n) = 0 if no such number exists.
Terms
- a(0) =0a(1) =80a(2) =976a(3) =9904a(4) =99952a(5) =999952a(6) =9999952a(7) =99999824a(8) =999999536a(9) =9999999824a(10) =99999999536a(11) =999999999567
External references
- oeis: A182680