51637

Properties

Appears in sequences

• Numbers which are primes and which remain prime for three successive applications of incrementing each digit by 2 with carries ignored.at n=38A088787
• Numbers k such that (2^k - 1)^2 - 2 = 4^k - 2^(k+1) - 1 is prime.at n=31A091515
• Numbers n such that the numbers of divisors of n,n+1,n+2 and n+3 are k,2k,4k,8k respectively for some k.at n=21A100364
• The largest number that cannot be written as a sum of squarefree numbers that are the product of n primes.at n=4A255305
• Prime numbersat n=5285