8388544
domain: N
Appears in sequences
- Product of n-th Mersenne prime and 2^n.at n=5A134872
- a(n) = 64*(2^n - 1).at n=17A175166
- Largest members of fully k-sociable cycles of order r.at n=35A183023
- a(0) = 4; for n>0, a(n) = a(n-1) + 2^n - 3.at n=22A249453
- Non-unitary amicable numbers.at n=36A259037
- Larger of a non-unitary amicable pair.at n=18A259039
- Numbers that are either already perfect, or a perfect number is eventually reached if we start doubling them.at n=38A341622
- Greater member of Carmichael's variant of amicable pair: numbers k < m such that s(k) = m and s(m) = k, where s(k) = A371418(k).at n=17A371420