62131

Properties

Appears in sequences

• Primes that remain prime through 4 iterations of function f(x) = 4x + 9.at n=15A023312
• Primes such that the sum of their digits and the sum of the reciprocals of their digits is also prime.at n=25A064779
• 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, -1, 0), (-1, 0, 0), (0, 1, 1), (1, -1, -1), (1, 1, -1)}.at n=10A148811
• Primes which are triangular numbers plus 3.at n=32A159047
• Primes which become squares when the digits are rotated once to the left.at n=8A234926
• Primes whose sum of reciprocal of digits is a prime.at n=27A266815
• Centered cubohemioctahedral numbers: a(n) = 2*n^3+9*n^2+n+1.at n=30A274973
• Primes p such that (p^1024 + 1)/2 is prime.at n=9A341272
• Prime numbers p such that the product of their prime digits is equal to the product of their nonprime digits, where p has at least one prime digit.at n=31A369877
• Prime numbersat n=6245