Sure it is. Linus Torvalds was the 51st person in his lineage to be be named Nus, so following Finnish tradition his parents put the roman numeral prefix in front of his name. It’s quite a coincidence that he also uses an operating system that follows the same convention!

There’s a national urgent medical line (111)

What? I’ve been lied to. I was told the UK line was 0118 999 881 999 119 725… 3