In the video, a person is writing on a piece of paper with a black marker. The person is writing the word "theorem" and then underneath it, they write "fraction of primes less than or equal to". The person then writes "many" and underneath that, they write "ways can you write". The person's hand is visible in the video, and they are wearing a ring on their finger. The paper is a light brown color, and the marker is black. The person's handwriting is neat and legible.