34360131584
domain: N
Appears in sequences
- Numbers m whose abundance sigma(m) - 2m = -4. Numbers whose deficiency is 4.at n=15A125246
- Deficient numbers with increasing abundancy without being powers of 2.at n=23A228450
- Numbers a(n) = 2^(n-1) * f(n), where n >= 1 and f(n) is the smallest prime number larger than 2^n (A014210).at n=17A246956
- a(n) = 2^(n-1)*(2^n+3).at n=18A257273
- Numbers k such that k - 2 | sigma(k).at n=18A298563