Ethereum, Smart Contracts, Blockchain.
0x405787fa12a823e0f2b7631cc41b3ba8828b3321ca811111fa75cd3aa3bb5ace + 1 = 0x405787fa12a823e0f2b7631cc41b3ba8828b3321ca811111fa75cd3aa3bb5acf. Before we move on to strings and mapping, we need to know that the EVM tries to save as much space as possible by grouping variables that fit into 32 byte