איל משולש

At the end of איל משולש, in chapter 10, the GR"A hints at the year 5836. He writes that the product of the first three digits hints at בשגם הוא בשר (Bereshit 6:3, Kol HaTor 3:4). Year 5836 is 40 years after 5796, which fits what we have said.