299999999
domain: N
Appears in sequences
- Greatest integer that is <= the sum of the n-th powers of its digits.at n=7A035027
- Smallest semiprime containing exactly n 9's.at n=7A104775
- Smallest semiprime ending in exactly n 9's.at n=7A106663
- Smallest number whose sum of digits is 2n.at n=37A133296
- Greatest number k such that sum of the n-th powers of the digits of k is greater than k.at n=6A174944
- a(n) = 3*10^n - 1.at n=8A198698