 These enumerations were sometimes given a numerological significance.The 22-book enumeration was said to represent the number of letters in the Hebrew alphabet; the 5 double books (Judges/Ruth, 1/2 Samuel, 1/2 Kings, 1/2 Chronicles, Ezra/Nehemiah, and Jeremiah/Lamentations) representing the five Hebrew letters that have double forms, chaph, mem, nun, phe, and sade.The 24-book enumeration was said to be represented by the 24 elders who cast down their crowns before the Lamb in the Book of Revelation.