49927
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- Primes of the form 8*k^2 - 1.at n=32A090684
- Let p run through the primes; write p in base 10 and then interpret it in base 128 getting a number q; if q is prime then adjoin q to the sequence.at n=16A090718
- Number of ways to place zero or more nonadjacent 2,1 2,2 3,0 3,1 4,2 4,3 5,1 5,2 polyhexes in any orientation on a planar nXnXn triangular grid.at n=8A155439
- Primes of the form 2*p^2 + 4*p + 1, where p is also prime.at n=15A164041
- Primes of the form 3n^2 + 4.at n=25A201477
- Primes of the form p^2 + pq + q^2, where p and q are consecutive primes.at n=7A243761
- Sum of the legs of the unique primitive Pythagorean triple whose inradius is the n-th prime and whose short leg is an odd number.at n=36A382097
- Prime numbersat n=5126