Video · A Hole in a Hole in a Hole – Numberphile TwitterShare on Facebook6K 1 535 175 views Numberphile - September 8, 2016 Science Numberphile More Videos The Secret of the Raffle Function (epic proof) – Numberphile Science · 4 days ago The Joy of Harshad Numbers – Numberphile Science · 2 weeks ago Lord of the Commutative Rings – Numberphile Science · 4 weeks ago Immense Subcubic Graphic Numbers – Numberphile Science · August 21, 2025 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