77322

Appears in sequences

• Numbers k such that 5*10^k + 7*R_k is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=18A056715
• Erroneous version of A062239, numbers n with property that every digit is a prime factor of n.at n=11A066483
• Sums of 2 successive primes s = prime(m) + prime(m+1) such that all digits of s are primes.at n=42A173719
• Numbers k with the property that the set of decimal digits of k matches the set of first digits of the prime factors of k.at n=7A359491