Lots of multiple posts and tons of cease and desist letters surrounding a simple 128 bit number: 13256278887989457651018865901401704640.
Because it’s the critical number in breaking DRM of HD-DVD.
But it’s also a number. There are an infinite number of numbers just like it, but it is unique and yet it is the same.
It’s a positive integer. Good times. I won’t post the hexadecimal equivalent out of fear of being told to take it down. Anyone with the decimal value can compute the hexadecimal (although with more work than it would if it were binary).