25992000
domain: N
Appears in sequences
- Sigma-powerful numbers: powerful numbers n such that sigma(n) is also powerful. An incomplete version of A337045.at n=6A180090
- Numbers k such that both k and sigma(k)=A000203(k) are powerful, i.e., are terms of A001694.at n=25A337044
- Indecomposable sigma-powerful numbers: powerful numbers k such that sigma(k) is also powerful, but restricted to terms that are not the product of 2 terms > 1 of A337044.at n=17A337045