555555555559
domain: N
Appears in sequences
- Smallest n-digit prime containing only the digits 5 and 9, or 0 if no such prime exists.at n=11A036947
- Primes arising in A087606, or 0 if A087606(k) = 0.at n=10A087607
- Primes of the form identical digits followed by a 9.at n=14A090148
- Primes of the form 50*R_k + 9, where R_k is the repunit (A002275) of length k.at n=2A093403
- a(n) is the least prime following A002279(n) repdigits.at n=11A099659
- Larger of two successive primes the average of which is a repdigit.at n=7A104387
- Near-repdigit primes with at least two 5's as the repeated digit.at n=7A105979
- Largest n-digit prime with the most digits equal to 5.at n=11A178003