998999999
domain: N
Appears in sequences
- Smallest n-digit prime with maximum digit sum.at n=8A069661
- Largest n-digit prime with maximum digit sum.at n=8A069662
- Smallest prime whose digital sum is equal to the n-th composite number not congruent to 0 (modulo 3).at n=31A111380
- Least prime p with digit sum A047235(n).at n=26A152652
- Near-repdigit primes with only digits 9 and a single 8 in decimal expansion.at n=10A263431