91541

Properties

Appears in sequences

• Primes that remain prime through 3 iterations of function f(x) = 8x + 3.at n=21A023292
• Emirps whose only prime digits are 5's.at n=33A179036
• Emirps with a 5 as the only prime digit.at n=27A179037
• Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,3,2,1,4 for x=0,1,2,3,4.at n=8A196076
• Number of n X 2 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 3 binary array having a sum of three or less, with rows and columns of the latter in lexicographically nondecreasing order.at n=37A227265
• Strong (2,3,5)-primes (see comments).at n=39A262727
• Nonnegative numbers k such that 3*k + 2 is a cube.at n=21A287335
• Number of complete subsets of {1..n} with maximum n.at n=19A326021
• Numbers k such that k divides the sum of the digits of k^(3k).at n=26A383746
• Prime numbersat n=8851