243892

Appears in sequences

• Primitive weird numbers: weird numbers with no proper weird divisors.at n=14A002975
• Weird numbers m such that the sum of their divisors below A033880(m) is greater than A033880(m) = abundance of m.at n=2A100696
• Weird numbers (A006037) not divisible by 5.at n=12A138850
• Let m = n-th number not divisible by 3 (A001651); a(n) = position of m in A065075, or -1 if never appears in A065075.at n=38A230289
• Primitive weird numbers (A002975) of the form 2^k*p*q*x with k >= 0 and odd p, q, x >= 3.at n=4A258401
• 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=4A258883
• Primitive weird numbers whose abundance is a record.at n=5A265726
• Least primitive weird number, pwn, (A002975) whose abundance is divisible by the n-th prime (A000040), or 0 if no such pwn exists.at n=4A265728
• Primitive weird numbers (pwn; A002975) divisible by 4 but not 8.at n=3A322524
• Weird admirable numbers: numbers that are both weird (A006037) and admirable (A111592).at n=12A329190
• Weird numbers k such that k-1 is the sum of a subset of the aliquot divisors of k.at n=5A354281
• Weird numbers k such that k+1 is the sum of a subset of the aliquot divisors of k.at n=13A354282
• Weird numbers k such that k-1 and k+1 are both sums of subsets of the aliquot divisors of k.at n=4A354283