Details:
929 prakim.
39995 unique n-grams of size 1.
28101 n-grams of size 2. (Removed 156551 that only appeared in one text.)
15003 n-grams of size 3. (Removed 215330 that only appeared in one text.)
Interpretation:
Prakim within individual sfarim are usually close to each other.
However, some are found in separate clusters. For example, certain chapters of Ezra/Daniel cluster on their own. These are the only Aramaic chapters in Tanach, so they don't share any words with other chapters, and cluster separately!
Ezra and Nehemia are near each other, because of their duplicated passages.
The 5 books of the Torah are all mostly near each other, with each comprising a mostly distinct cluster.
Job 1, 2, and 42, which set up the narrative structure of the sefer and are distinct from the other chapters, are found in a different cluster than the other chapters.