777777799

Properties

Appears in sequences

• Smallest n-digit prime containing only the digits 7 and 9, or 0 if no such prime exists.at n=8A036950
• a(n) is the least prime following A002281(n) repdigits.at n=9A099661
• Prime numbers whose decimal expansion includes a substring of seven consecutive 7's.at n=17A298729
• Prime numbersat n=40061057