I'm also out of the loop but after some research, 0473 seems to be a TikTokism meaning "hug me, please." I would assume that this code uses octal notation, hence GP doing their math in octal, but the sources I've turned up describe codes with digits illegal in octal, so I don't really know.
https://www.ietf.org/rfc/rfc9759.html
OP apparently noticed that two weeks is almost 20480 decimal = 050000 octal minutes, just 320 = 0500 minutes in fact.