56663

Properties

Appears in sequences

• Primes with either no internal digits or all internal digits are 6.at n=54A069681
• Numbers n such that phi(reverse(n)) = phi(reverse(n-1)) + phi(reverse(n-2)).at n=28A069969
• Beastly primes (version 2): primes containing 666 as a substring.at n=4A131645
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (0, -1, 0), (0, 1, -1), (0, 1, 0), (1, 1, 1)}.at n=8A150840
• Primes having only {3, 5, 6} as digits.at n=32A260225
• Primes of the form 42*k^3 + 270*k^2 - 26436*k + 250703 in order of increasing k.at n=15A271144
• Prime numbersat n=5745