4145216

Appears in sequences

• Primitive weird numbers (pwn) (A002975) whose abundance (A033880) is a power of 2 (A000079).at n=16A258250
• Primitive weird numbers of the form 2^k*p*q with k > 0 and where p < q are odd primes.at n=22A258882
• Numbers k whose abundance is 128: sigma(k) - 2*k = 128.at n=11A292626
• Weird admirable numbers: numbers that are both weird (A006037) and admirable (A111592).at n=17A329190
• Weird numbers k such that k+1 is the sum of a subset of the aliquot divisors of k.at n=19A354282