1713592
domain: N
Appears in sequences
- Primitive weird numbers: weird numbers with no proper weird divisors.at n=26A002975
- Composite numbers n that divide 2 * sigma(n) - d(n) [that is, 2 * sum of divisors - number of divisors].at n=8A135470
- Numbers n whose abundance is 16.at n=8A141547
- Primitive weird numbers (pwn) (A002975) whose abundance (A033880) is a power of 2 (A000079).at n=15A258250
- Primitive weird numbers (A002975) of the form 2^k*p*q*x with k >= 0 and odd p, q, x >= 3.at n=9A258401
- Primitive weird numbers (PWN) of the form 2^k*p*q*r with k > 0 and where p < q < r are odd primes.at n=9A258883
- Numbers k such that sigma(k) == 0 (mod k+8).at n=13A274561
- Admirable numbers such that the subtracted divisor is a Fibonacci number.at n=29A282754
- Weird admirable numbers: numbers that are both weird (A006037) and admirable (A111592).at n=16A329190
- Weird numbers (A006037) with more divisors than any smaller weird number.at n=4A335008
- Weird numbers k such that k+1 is the sum of a subset of the aliquot divisors of k.at n=18A354282