8999999999
domain: N
Appears in sequences
- Smallest number whose digits sum to n-th prime.at n=23A046864
- Numbers n such that Sum_{k=1..n} d(k) is an integer where d(k) is the decimal fraction 0.k (e.g. d(999)=0.999).at n=17A054464
- Smallest number with digit sum = Fibonacci(n).at n=11A061249
- a(n) = n*10^n - 1.at n=8A064756
- a(n) is the smallest composite number with the sum of digits = the n-th prime number.at n=23A073868
- Maximal difference between two n-digit numbers.at n=9A109002
- n-th number with exactly n n's in base 10.at n=8A259528