Video · What do 5, 13 and 563 have in common? TwitterShare on Facebook962 873 625 views Numberphile - August 3, 2014 Science Numberphile More Videos Immense Subcubic Graphic Numbers – Numberphile Science · 3 weeks ago The Holey Monster (with 934 faces) – Numberphile Science · July 31, 2025 The Holey Monster (with 934 faces) – Numberphile Science · July 31, 2025 Treasure Trove (Zeeman Medal Lecture by Brady Haran) – Numberphile Science · July 27, 2025 The Mind-Blowing Base 13 Function – Numberphile Science · July 22, 2025 The Big Daddy of Infinite Integrals – Numberphile Science · July 9, 2025 The Stein Paradox – Numberphile Science · July 2, 2025 The Stein Paradox – Numberphile Science · July 2, 2025