777777777773
domain: N
Appears in sequences
- Smallest prime beginning with exactly n 7's.at n=11A065590
- Largest n-digit prime with only prime digits.at n=11A071060
- Primes of the form identical digits followed by a 3.at n=26A090146
- Primes of the form 70*R_k + 3, where R_k is the repunit (A002275) of length k.at n=5A093165
- a(n) is the largest prime before A002281(n); repdigits repeating 7.at n=11A099667
- a(n) = (7*10^n - 43)/9 for n > 0.at n=11A173807
- Largest n-digit emirp with only prime digits.at n=10A177514
- Near-repdigit primes with at least two 7's as the repeated digit.at n=3A365597