Your very own unique prime number on a piece of brown paper.
The prime's position on the famed Ulam Spiral is marked by a tiny pink heart.
Many Patreon supporters will have received one of these earlier this year - but this is a chance to get one of the remaining pieces.
Your number will be randomly chosen.
Your contribution also helps support our videos and podcasts.
Choose to have it signed by Brady or Unsigned
Brown paper is A5 size