732512domain: NAppears in sequencesBinary representation of n interpreted in base p, where p is the smallest prime factor of n: p = A020639(n).at n=28A092524Replace 2^i with n^i in binary representation of n.at n=28A104258Numbers of the form q-p, where p and q are prime and q = p^0+p^1+p^2+..+p^k for some k.at n=33A166388