185363
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- Powers of sqrt(2) rounded down.at n=35A017910
- a(0)=1, a(n+1) = 2*a(n) + b(n+2), where b(n)=A004539(n) is the n-th bit in the binary expansion of sqrt(2).at n=17A084188
- Reduced numerators in Wolfram's iteration for sqrt(2).at n=18A095805
- a(0) = a(1) = 0; for n >= 2, a(n) = floor(sqrt(2^(n-2)-1)).at n=37A116601
- Largest prime <= 2^((n+1)/2).at n=33A133225
- Integers n such that n^2 + k is a Mersenne number 2^m - 1 for some k such that n < k < 2 * n and m odd.at n=7A144934
- a(n) = floor(sqrt(n^7)).at n=32A155014
- Primes of the form n^3 + 3*n - 1.at n=11A180276
- Numbers n such that the difference between the greatest prime divisor of n^2 + 1 and the sum of the other distinct prime divisors is equal to +-1.at n=23A244194
- Numbers having in binary representation more zeros than their squares.at n=32A293655
- Prime numbersat n=16777