64849

Properties

Appears in sequences

• Primes whose digits are composite; primes having only {4, 6, 8, 9} as digits.at n=38A051416
• Every digit of prime and its index contains a loop (only digits 0,4,6,8,9 in prime and its index).at n=8A107625
• Primes of the form 7x^3+x+1.at n=6A114353
• Primes using only the composite digits (4, 6, 8, 9) and all of them.at n=5A157527
• a(n) = 7*a(n-1) - 5*a(n-2), with a(0)=0, a(1)=1.at n=7A190974
• Primes whose proper substrings of consecutive digits are all composite.at n=18A279366
• Primes p such that A001175(p) = (p-1)/8.at n=19A308793
• Prime numbersat n=6480