3381872252

Appears in sequences

• Numbers k such that sigma(k) == 8 (mod k).at n=25A045770
• Numbers k whose abundance is 8: sigma(k) - 2*k = 8.at n=21A088833
• Primitive weird numbers, pwn, of the form 2^k*p*q*r*s with k > 0 and where p < q < r < s are odd primes.at n=14A258884
• Numbers k such that sigma(k) == 0 (mod k+4).at n=26A274553
• Primitive weird numbers (pwn; A002975) divisible by 4 but not 8.at n=21A322524
• Primitive abundant numbers k (A071395) whose abundancy index sigma(k)/k has a record low value.at n=32A362053