https://naggum.no/lugm-time.html
French has a number which means "arbitrarily many": 36, used just like English "umpteen", but it is fascinating that a number has meaning like that. Other numbers with particular meaning include 69, 666, 4711. The number 606 has been used to refer to arsphenamine, because it was the 606th compound tested by Paul Ehrlich to treat syphilis.
A reportedly Swiss saying goes: "A man with one clock knows the time. A man with two clocks does not."
