They are making a joke. These dongles usually have 6 random digits, but also a secret, e.g. prefix u need to put before the numbers to login. Otherwise a 6 digit number would never be save ish.
Used to play a drinking game with coworkers and those tokens. We would pick high or low and whoever had said number on the roll over had to buy everyone a round of drinks.
Hacker: "Heh, you fool. I'm in."