A reference to Project 985, a Chinese government program for creating the country's top universities. Often posted with other numbers by Chinese users on social networks in reference to Huawei detaining an employee for demanding severance pay.
A number used for rickrolling people. Rickrolling is an internet meme where someone gives a link to the music video to Never Gonna Give You Up by RIck Astley saying it's something exciting just to prank them. 985-655-2500 is a phone number that would play the song when called, but now it doesn't work anymore.