17179607041
domain: N
Appears in sequences
- a(n) = (2^n - 1)^2.at n=16A060867
- Smallest square which is one more than the product of n (not necessarily distinct) numbers > 1.at n=21A081949
- Smallest square k == 1 (mod some n-th power), k > 1.at n=17A088037
- Squares of Mersenne primes A000668(n).at n=5A133049
- Semiprimes that are a product of Mersenne primes.at n=27A144482
- a(n) = 1+4^(n+1)-4*(-2)^n.at n=16A171590
- (2^p-1)^2 where p is prime.at n=6A174744
- Prime powers p (A025475) such that the sum of the proper divisors of p is also a prime power.at n=6A228018
- Product of lowest and highest prime factors of 2^n-1.at n=15A249780
- a(2n) = A060867(n+1), a(2n+1) = A092440(n+1).at n=32A276918
- a(n) is the largest perfect power < 2^n.at n=31A357752
- a(n) is the largest square with n binary digits.at n=31A357754