999998999999
domain: N
Appears in sequences
- Smallest prime number whose digits sum to n-th prime.at n=27A054750
- Smallest n-digit prime with maximum digit sum.at n=11A069661
- Smallest prime (> n-th prime) with sum of digits = the n-th prime, or 0 if no such prime exists.at n=27A075360
- a(n) = 100^n - 10^n - 1.at n=5A086695
- k times k+4 gives the concatenation of two numbers m and m-5.at n=15A116254
- Near-repdigit primes with only digits 9 and a single 8 in decimal expansion.at n=13A263431