Shisha Vachamishim Umatayim - mi yodeya?

Question

Who knows two hundred fifty-six?

Please cite/link your sources, if possible. At some point at least twenty-four hours from now, I will:

• Upvote all interesting and relevant answers.

• Accept the "best" answer.

• Move on to the next number.

It's been a while since our last power of two, and it'll be a longer while until the next one ...

Answer 1

אהרן = 256

256 = דברים

Moshe told Hashem לא איש דברים אנכי

Hashem responded ויאמר הלא אהרן אחיך הלוי ידעתי כי דבר ידבר Aharon will be the איש דברים