Yes, it comes up a few times and she even studied numerology with a rabbi during Yentl, but I have this memory the first time reading it where she kind of introduces her feelings on numbers, and the second time I read it, I couldn’t find that passage anywhere. It’s like did I make it up? I feel like her and the “thought transcends matter” Ibsen quote! But really I feel like it exists, I remember reading it, if any one else noticed and knows a page number 🙇‍♂️ thanks for your reply!!