143055667

Appears in sequences

• Perfect powers n such that (n-5)/2 is prime.at n=21A075539
• a(1) = 1; for n > 1, a(n) is the smallest number == -1 (mod a(n-1)), greater than n, with the same prime signature as n.at n=7A087312
• Cubes that becomes a prime number when prefixed with a 3.at n=23A167727
• Cubes that becomes a prime number when prefixed with a 9.at n=26A167733