77773

Properties

Appears in sequences

• Primes that contain digits 3 and 7 only.at n=15A020463
• Smallest prime beginning with exactly n 7's.at n=4A065590
• Primes with either no internal digits or all internal digits are 7.at n=52A069682
• Largest n-digit prime with only prime digits.at n=4A071060
• Primes of the form identical digits followed by a 3.at n=13A090146
• Primes of the form 70*R_k + 3, where R_k is the repunit (A002275) of length k.at n=3A093165
• a(n) is the largest prime before A002281(n); repdigits repeating 7.at n=4A099667
• Near-repdigit primes with 7 as repeated digit.at n=26A105977
• a(n) = smallest prime p such that p is the home prime (cf. A037274) of exactly n natural numbers.at n=9A118756
• Home primes whose homeliness is greater than 5.at n=28A133965
• Home primes whose homeliness is greater than 6.at n=11A133967
• Home primes whose homeliness is greater than 7.at n=3A133969
• Home primes whose homeliness is greater than 8.at n=0A133971
• Home primes whose homeliness is greater than 9.at n=0A133973
• Home primes whose homeliness is 10.at n=0A133974
• Primes with at least one digit appearing exactly four times in the decimal expansion.at n=28A161786
• Primes containing 777 as a substring.at n=29A167282
• a(n) = (7*10^n - 43)/9 for n > 0.at n=4A173807
• Primes of the form 3n^2 + 10.at n=26A201480
• Primes formed by concatenating k, k and 3 for k >= 1.at n=18A210512