Video · James ❤️ A Card Trick – Numberphile TwitterShare on Facebook0 204 725 views Numberphile - June 25, 2019 Science Numberphile More Videos The Anti-Knight Killer Sudoku – Numberphile Science · 18 hours ago The Anti-Knight Killer Sudoku – Numberphile Science · 18 hours ago The Secret of the Raffle Function (epic proof) – Numberphile Science · 2 weeks ago The Joy of Harshad Numbers – Numberphile Science · 3 weeks ago Lord of the Commutative Rings – Numberphile Science · September 10, 2025 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