a(n) = the largest n-digit number with exactly 6 divisors, a(n) = 0 if no such number exists.
A182672
a(n) = the largest n-digit number with exactly 6 divisors, a(n) = 0 if no such number exists.
Terms
- a(0) =0a(1) =99a(2) =981a(3) =9981a(4) =99997a(5) =999981a(6) =9999988a(7) =99999961a(8) =999999981a(9) =9999999908a(10) =99999999964a(11) =999999999927
External references
- oeis: A182672