What is the general number of QQ lottery?

What is the general number of QQ lottery? Are all random. It stands to reason that the background code of the random number is also the random number generated by the call. Random numbers in a certain range may be 1. 123, etc. So laws don't exist, but some laws can be written down. For example, the random number 1 appears for the first time, and it does not appear again until it is not 1 for seven times. Otherwise, it depends entirely on the thinking rules of software programmers to recall the function that generates random numbers.