A number-based name such as R777 can be easy to remember while leaving its subject open to interpretation. I would rather look for a clear description than assume the repeated digits explain what the site is about. That is my starting point for [R777 website identity](https://r777.edu.pl). A distinct identity becomes useful when it connects to understandable information and a clear purpose. I like that first moment of clarification, when a memorable label gives way to a question the reader can actually follow.