55 fiveKeep glancing at the clock at 5:55, or noticing 555 on billboards and license plates? From 111 to 999, ... The number five is all about adventure, livess, and freedom.$5+55+555+5555+55555+cdots n$ terms, Sum of finite seqence of this pattern can be obtained by re-arranging this into geometric sequence. $5$ should be taken common