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Numberphile

@numberphile · 4.8M subscribers

Numberphile’s most viewed videos of 2025

Lifetime totals, not views in this range.

Snapshot from 19 Oct 2026.

  1. Rank 1:
    A 1.58-Dimensional Object - Numberphile

    A 1.58-Dimensional Object - Numberphile

    691.9K views7 Mar 202520:25(opens in a new tab)

  2. Rank 2:
    The Hyper Moser (and other Mega Numbers) - Numberphile

    The Hyper Moser (and other Mega Numbers) - Numberphile

    497.1K views14 Mar 202523:14(opens in a new tab)

  3. Rank 3:
    A simple equation that behaves weirdly - Numberphile

    A simple equation that behaves weirdly - Numberphile

    495.4K views17 Jun 202511:15(opens in a new tab)

  4. Rank 4:
    A Magic Square Breakthrough - Numberphile

    A Magic Square Breakthrough - Numberphile

    390.2K views9 Feb 202517:13(opens in a new tab)

  5. Rank 5:
    100000001 is divisible by 17 - Numberphile

    100000001 is divisible by 17 - Numberphile

    383.8K views9 Dec 202522:53(opens in a new tab)

  6. Rank 6:
    Closer Look at the Birthday Paradox - Numberphile

    Closer Look at the Birthday Paradox - Numberphile

    332.2K views6 Dec 202516:47(opens in a new tab)

  7. Rank 7:
    The Stein Paradox - Numberphile

    The Stein Paradox - Numberphile

    326.6K views2 Jul 202521:22(opens in a new tab)

  8. Rank 8:
    A Problem with Infinite Hotel Keys - Numberphile

    A Problem with Infinite Hotel Keys - Numberphile

    256.4K views16 May 202518:02(opens in a new tab)

  9. Rank 9:
    The Big Daddy of Infinite Integrals - Numberphile

    The Big Daddy of Infinite Integrals - Numberphile

    244.1K views9 Jul 202520:45(opens in a new tab)

  10. Rank 10:
    Conway's Base 13 Function - Numberphile

    Conway's Base 13 Function - Numberphile

    240.3K views22 Jul 202515:28(opens in a new tab)

  11. Rank 11:
    An Unexpected Twist on Möbius Strips - Numberphile

    An Unexpected Twist on Möbius Strips - Numberphile

    237.8K views14 Dec 202512:11(opens in a new tab)

  12. Rank 12:
    The Tea Lady Experiment - Numberphile

    The Tea Lady Experiment - Numberphile

    232K views15 Apr 202517:07(opens in a new tab)

  13. Rank 13:
    The Real Story of Calculus - Numberphile

    The Real Story of Calculus - Numberphile

    220.9K views10 Nov 202513:55(opens in a new tab)

  14. Rank 14:
    The Anti-Knight Killer Sudoku - Numberphile

    The Anti-Knight Killer Sudoku - Numberphile

    201K views15 Oct 202516:12(opens in a new tab)

  15. Rank 15:
    Super Facts about 6-7 - Numberphile

    Super Facts about 6-7 - Numberphile

    186.8K views22 Dec 202510:44(opens in a new tab)

  16. Rank 16:
    Schur Numbers (the world's biggest proof) - Numberphile

    Schur Numbers (the world's biggest proof) - Numberphile

    183.4K views3 Nov 202517:00(opens in a new tab)

  17. Rank 17:
    The Frobenius Problem (and numerical semigroups) - Numberphile

    The Frobenius Problem (and numerical semigroups) - Numberphile

    180.6K views10 Jan 202518:55(opens in a new tab)

  18. Rank 18:
    Cardioids in Coffee Cups - Numberphile

    Cardioids in Coffee Cups - Numberphile

    171.4K views20 Apr 202521:35(opens in a new tab)

  19. Rank 19:
    Almost Interesting Facts about 6-7 - Numberphile

    Almost Interesting Facts about 6-7 - Numberphile

    165.1K views22 Dec 202511:49(opens in a new tab)

  20. Rank 20:
    The Holey Monster (with 934 faces) - Numberphile

    The Holey Monster (with 934 faces) - Numberphile

    150.5K views31 Jul 202519:38(opens in a new tab)

  21. Rank 21:
    2016502858579884466176 - Numberphile

    2016502858579884466176 - Numberphile

    143.7K views24 Sept 202516:49(opens in a new tab)

  22. Rank 22:
    The 9-sided Enneahedron - Numberphile

    The 9-sided Enneahedron - Numberphile

    136.5K views22 Jun 202513:14(opens in a new tab)

  23. Rank 23:
    Immense Subcubic Graph Numbers - Numberphile

    Immense Subcubic Graph Numbers - Numberphile

    135.7K views21 Aug 202516:45(opens in a new tab)

  24. Rank 24:
    The Snakey Hexomino (unsolved Tic-Tac-Toe problem) - Numberphile

    The Snakey Hexomino (unsolved Tic-Tac-Toe problem) - Numberphile

    129.1K views20 Jan 202511:14(opens in a new tab)

  25. Rank 25:
    Ordinal Numbers - Numberphile

    Ordinal Numbers - Numberphile

    128.5K views22 Oct 202511:46(opens in a new tab)

  26. Rank 26:
    The Graph Reconstruction Conjecture - Numberphile

    The Graph Reconstruction Conjecture - Numberphile

    125.9K views27 Nov 202525:15(opens in a new tab)

  27. Rank 27:
    The Secret of the Raffle Function (epic proof) - Numberphile

    The Secret of the Raffle Function (epic proof) - Numberphile

    115.5K views2 Oct 20251:20:14(opens in a new tab)

  28. Rank 28:
    Lord of the Commutative Rings - Numberphile

    Lord of the Commutative Rings - Numberphile

    107.1K views10 Sept 202531:47(opens in a new tab)

  29. Rank 29:
    The World's LONGEST Klein Bottle - Numberphile

    The World's LONGEST Klein Bottle - Numberphile

    93.5K views11 Apr 20256:55(opens in a new tab)

  30. Rank 30:
    Return of the Calculator Unboxing - Numberphile

    Return of the Calculator Unboxing - Numberphile

    90.2K views19 Nov 20259:12(opens in a new tab)

  31. Rank 31:
    The Slightly Bungled Mersenne Prime Origin Story - Numberphile

    The Slightly Bungled Mersenne Prime Origin Story - Numberphile

    86K views26 Jan 20252:45(opens in a new tab)

  32. Rank 32:
    Shakespeare, Numbers, and Chronograms - Numberphile

    Shakespeare, Numbers, and Chronograms - Numberphile

    84.2K views5 Feb 202511:22(opens in a new tab)

  33. Rank 33:
    Treasure Trove (Zeeman Medal Lecture by Brady Haran) - Numberphile

    Treasure Trove (Zeeman Medal Lecture by Brady Haran) - Numberphile

    80.8K views27 Jul 202543:25(opens in a new tab)

  34. Rank 34:
    Polyominoes on Chessboards - Numberphile

    Polyominoes on Chessboards - Numberphile

    76.7K views1 Dec 202512:35(opens in a new tab)