Today is Monday, July 13, 2020, a date that can be written 13/7, like 137, the 33rd prime.  Of course, Naya Rivera vanished at age 33, and is presumed to be the 3rd member of Glee to die.

137, 33rd prime

July 13, or 13/7

Today is also the anniversary of the first member of Glee to die, who died July 13, 2013, 7 years ago.

https://www.cnn.com/2020/07/13/entertainment/naya-rivera-search-body-found/index.html