5555555557

Appears in sequences

• Smallest n-digit prime containing only the digits 5 and 7, or 0 if no such prime exists.at n=9A036946
• Smallest prime containing exactly n 5's.at n=9A037063
• Smallest prime beginning with exactly n 5's.at n=9A065588
• Smallest prime starting with n 5s.at n=9A068105
• Primes of the form identical digits followed by a 7.at n=26A090147
• Primes of the form 50*R_k + 7, where R_k is the repunit (A002275) of length k.at n=4A093169
• a(n) is the least prime following A002279(n) repdigits.at n=9A099659
• Near-repdigit primes with at least two 5's as the repeated digit.at n=5A105979
• Largest n-digit prime with the most digits equal to 5.at n=9A178003
• a(n) = (5*10^n + 13)/9.at n=10A178769