37243
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- Primes of the form n^2 - 6.at n=27A028880
- a(n) is the n-th prime whose decimal expansion begins with the decimal expansion of n.at n=36A077345
- Number of primes in range [2^n+1, 2^(n+1)] whose binary expansion begins '10' (A080165).at n=19A095765
- Primes in A103373.at n=20A103383
- a(1)=1; a(n) = Sum_{1<=k<n, gcd(k,n(n+1)/2)=1} a(k).at n=25A125597
- Primes of form p^2-6, p also a prime.at n=15A162905
- Numbers of ways in which a unit disc can be dissected into 6n curvilinear triangles, at least one of which does not contain the center.at n=35A193362
- Lesser of consecutive primes whose average is of the form k*(k+2), for some integer k.at n=34A242385
- Primes p such that 2*p + 43 is a square.at n=17A269787
- Primes p such that p=prime(k), prime(k+1), and prime(k+2) end in the same digit.at n=41A328452
- Emirps p such that, if q is the next emirp after p, p*q mod (p+q) and floor(p*q/(p+q)) are both emirps.at n=4A350884
- Discriminants of imaginary quadratic fields with class number 37 (negated).at n=30A351675
- Number of integer partitions of n whose product is greater than the product of their multiplicities.at n=40A353505
- Prime numbersat n=3945