99999999977
domain: N
Appears in sequences
- Largest n-digit prime.at n=10A003618
- Largest n-digit prime with all odd digits.at n=10A068694
- Smallest and largest primes pairwise displayed with k digits from k=2,3,... with repeated decimal digits.at n=19A099630
- Smallest and largest of the n-digit primes.at n=21A101592
- Largest n-digit prime whose digit reversal is also prime.at n=10A114019
- Largest n-digit emirp (A006567) with nonincreasing digits.at n=9A127828
- Largest prime <= square root of 10^n.at n=21A132153
- Smallest and largest primes with number of decimal digits equal to n-th prime.at n=9A133833
- Largest prime with number of decimal digits equal to n-th prime.at n=4A133836
- Primes of the form 10^n - 2*n - 1.at n=2A173839
- Fourth root of largest n-digit number with exactly five divisors.at n=42A174394
- a(n) is the largest prime < 10^n that is the sum of at least two consecutive primes.at n=10A342443