8124416

Appears in sequences

• Near-perfect numbers (A181595) of the form 2^(t-1)*(2^t-2^k-1), where 2^t-2^k-1 is prime, k>=1, t>k.at n=25A181701
• Numbers k whose abundance is 128: sigma(k) - 2*k = 128.at n=14A292626
• Composite numbers k such that k is divisible by A318996(k).at n=11A343904