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Numberphile

@numberphile · 4.8M subscribers

Numberphile’s most viewed videos of 2019

Lifetime totals, not views in this range.

Snapshot from 19 Oct 2026.

  1. Rank 1:
    What's so special about the Mandelbrot Set? - Numberphile

    What's so special about the Mandelbrot Set? - Numberphile

    2.8M views18 Apr 201916:53(opens in a new tab)

  2. Rank 2:
    What's special about 277777788888899? - Numberphile

    What's special about 277777788888899? - Numberphile

    2.3M views21 Mar 201914:24(opens in a new tab)

  3. Rank 3:
    Darts in Higher Dimensions (with 3blue1brown) - Numberphile

    Darts in Higher Dimensions (with 3blue1brown) - Numberphile

    2.1M views17 Nov 201932:11(opens in a new tab)

  4. Rank 4:
    All the Numbers - Numberphile

    All the Numbers - Numberphile

    1.8M views4 Mar 201914:27(opens in a new tab)

  5. Rank 5:
    How many ways can circles overlap? - Numberphile

    How many ways can circles overlap? - Numberphile

    1.8M views14 Apr 20199:46(opens in a new tab)

  6. Rank 6:
    Navier-Stokes Equations - Numberphile

    Navier-Stokes Equations - Numberphile

    1.6M views27 Aug 201921:03(opens in a new tab)

  7. Rank 7:
    TREE vs Graham's Number - Numberphile

    TREE vs Graham's Number - Numberphile

    1.5M views25 Oct 201923:50(opens in a new tab)

  8. Rank 8:
    Game of Cat and Mouse - Numberphile

    Game of Cat and Mouse - Numberphile

    1.5M views28 May 201918:36(opens in a new tab)

  9. Rank 9:
    Amazing Graphs - Numberphile

    Amazing Graphs - Numberphile

    1.1M views8 Aug 201912:36(opens in a new tab)

  10. Rank 10:
    A Breakthrough in Graph Theory - Numberphile

    A Breakthrough in Graph Theory - Numberphile

    1M views23 Dec 201924:57(opens in a new tab)

  11. Rank 11:
    A Fascinating Thing about Fractions - Numberphile

    A Fascinating Thing about Fractions - Numberphile

    1M views15 Dec 20198:25(opens in a new tab)

  12. Rank 12:
    The Trapped Knight - Numberphile

    The Trapped Knight - Numberphile

    980.4K views24 Jan 20196:13(opens in a new tab)

  13. Rank 13:
    Divisibility Tricks - Numberphile

    Divisibility Tricks - Numberphile

    958.4K views17 Jan 201927:31(opens in a new tab)

  14. Rank 14:
    EVERY baby is a ROYAL baby - Numberphile

    EVERY baby is a ROYAL baby - Numberphile

    851.4K views6 May 201918:49(opens in a new tab)

  15. Rank 15:
    The Mystery of 42 is Solved - Numberphile

    The Mystery of 42 is Solved - Numberphile

    795.8K views6 Sept 20195:02(opens in a new tab)

  16. Rank 16:
    42 is the new 33 - Numberphile

    42 is the new 33 - Numberphile

    786.1K views12 Mar 201913:39(opens in a new tab)

  17. Rank 17:
    A Colorful Unsolved Problem - Numberphile

    A Colorful Unsolved Problem - Numberphile

    704.8K views27 Feb 20199:39(opens in a new tab)

  18. Rank 18:
    90,525,801,730 Cannon Balls - Numberphile

    90,525,801,730 Cannon Balls - Numberphile

    657.7K views8 Apr 20197:44(opens in a new tab)

  19. Rank 19:
    Approximating Irrational Numbers (Duffin-Schaeffer Conjecture) - Numberphile

    Approximating Irrational Numbers (Duffin-Schaeffer Conjecture) - Numberphile

    613.7K views8 Dec 201921:19(opens in a new tab)

  20. Rank 20:
    Reynolds Number - Numberphile

    Reynolds Number - Numberphile

    559.5K views4 Sept 201916:58(opens in a new tab)

  21. Rank 21:
    The Dehn Invariant - Numberphile

    The Dehn Invariant - Numberphile

    551.7K views14 Jul 201915:33(opens in a new tab)

  22. Rank 22:
    Don't Know (the Van Eck Sequence) - Numberphile

    Don't Know (the Van Eck Sequence) - Numberphile

    547.9K views10 Jun 20198:07(opens in a new tab)

  23. Rank 23:
    The Forgotten Flexagon - Numberphile

    The Forgotten Flexagon - Numberphile

    497K views17 Oct 201912:31(opens in a new tab)

  24. Rank 24:
    The Graceful Tree Problem - Numberphile

    The Graceful Tree Problem - Numberphile

    476.2K views21 Jan 20199:59(opens in a new tab)

  25. Rank 25:
    Primes without a 7 - Numberphile

    Primes without a 7 - Numberphile

    469K views20 Nov 201913:15(opens in a new tab)

  26. Rank 26:
    Infinite Series - Numberphile

    Infinite Series - Numberphile

    464.4K views2 Apr 20199:31(opens in a new tab)

  27. Rank 27:
    The Plastic Ratio - Numberphile

    The Plastic Ratio - Numberphile

    455K views15 Mar 201911:59(opens in a new tab)

  28. Rank 28:
    Will your name become extinct? - Numberphile

    Will your name become extinct? - Numberphile

    454.4K views6 May 201914:17(opens in a new tab)

  29. Rank 29:
    Amazing Graphs II (including Star Wars)  - Numberphile

    Amazing Graphs II (including Star Wars) - Numberphile

    443.7K views14 Aug 201910:48(opens in a new tab)

  30. Rank 30:
    Amazing Graphs III - Numberphile

    Amazing Graphs III - Numberphile

    432.3K views22 Aug 20198:40(opens in a new tab)

  31. Rank 31:
    Heesch Numbers and Tiling - Numberphile

    Heesch Numbers and Tiling - Numberphile

    421.6K views21 Feb 20199:20(opens in a new tab)

  32. Rank 32:
    Peaceable Queens - Numberphile

    Peaceable Queens - Numberphile

    391.4K views15 May 20197:21(opens in a new tab)

  33. Rank 33:
    The Archimedes Number - Numberphile

    The Archimedes Number - Numberphile

    389.4K views24 Nov 20199:16(opens in a new tab)

  34. Rank 34:
    Tribonacci Numbers (and the Rauzy Fractal) - Numberphile

    Tribonacci Numbers (and the Rauzy Fractal) - Numberphile

    353.6K views3 Jun 20197:24(opens in a new tab)

  35. Rank 35:
    3 as the sum of the 3 cubes - Numberphile

    3 as the sum of the 3 cubes - Numberphile

    330K views24 Sept 201913:39(opens in a new tab)

  36. Rank 36:
    Where Does River Water Go? - Numberphile

    Where Does River Water Go? - Numberphile

    318.2K views6 Oct 201915:28(opens in a new tab)

  37. Rank 37:
    A final game with Elwyn Berlekamp (Amazons) - Numberphile

    A final game with Elwyn Berlekamp (Amazons) - Numberphile

    309.2K views23 Apr 201911:06(opens in a new tab)

  38. Rank 38:
    Frieze Patterns - Numberphile

    Frieze Patterns - Numberphile

    307.2K views6 Aug 201913:00(opens in a new tab)

  39. Rank 39:
    1010011010 - Numberphile

    1010011010 - Numberphile

    297K views11 Feb 20197:44(opens in a new tab)

  40. Rank 40:
    Planar Graphs - Numberphile

    Planar Graphs - Numberphile

    282.3K views11 Nov 201916:24(opens in a new tab)

  41. Rank 41:
    Pi Million Subscribers - Numberphile

    Pi Million Subscribers - Numberphile

    280K views24 Dec 20192:34(opens in a new tab)

  42. Rank 42:
    James ❤️ A Card Trick - Numberphile

    James ❤️ A Card Trick - Numberphile

    254.8K views25 Jun 201910:32(opens in a new tab)

  43. Rank 43:
    A Million Simulated Seasons - Numberphile

    A Million Simulated Seasons - Numberphile

    228.2K views7 Mar 201911:51(opens in a new tab)

  44. Rank 44:
    Necklace Splitting (a lesson for jewel thieves) - Numberphile

    Necklace Splitting (a lesson for jewel thieves) - Numberphile

    227.3K views18 Jun 201915:14(opens in a new tab)

  45. Rank 45:
    Taking a Turkey’s Temperature - Numberphile

    Taking a Turkey’s Temperature - Numberphile

    224.7K views27 Nov 20197:39(opens in a new tab)

  46. Rank 46:
    The Girl with the Hyperbolic Helicoid Tattoo - Numberphile

    The Girl with the Hyperbolic Helicoid Tattoo - Numberphile

    221K views29 Sept 201910:44(opens in a new tab)

  47. Rank 47:
    Card Flipping Proof - Numberphile

    Card Flipping Proof - Numberphile

    181.6K views3 Feb 201916:47(opens in a new tab)

  48. Rank 48:
    Counting Outtakes (from our Pi Million video) - Numberphile

    Counting Outtakes (from our Pi Million video) - Numberphile

    142.4K views25 Dec 20196:03(opens in a new tab)