The Taxicab Numbers hole will go live in approximately 3 days. Why not try and solve it ahead of time?
ISBN in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Gray Code Decoder Gray Code Encoder Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Gray Code Decoder Gray Code Encoder Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 101st Yax42 🇫🇷 916 84 493ms 31 Jan 2025 102nd JayXon 🇺🇸 912 64 1,456ms 22 Jun 2024 103rd edsrzf 🇳🇿 912 111 6ms 27 Nov 2025 104th rucin93 🇵🇱 912 116 422ms 24 Sep 2025 104th sean-niemann 🇺🇸 912 116 501ms 24 Sep 2025 104th JayXon 🇺🇸 912 116 516ms 25 Sep 2025 104th nwellnhof 🇩🇪 912 116 497ms 25 Sep 2025 104th MeWhenI 🇻🇦 912 116 382ms 7 Nov 2025 104th Steffan153 🇫🇮 912 116 431ms 11 Feb 2026 110th JayXon 🇺🇸 911 101 1ms 21 May 2023 110th nwellnhof 🇩🇪 911 101 1ms 23 Jun 2023 112th MeWhenI 🇻🇦 910 143 39ms 29 Apr 2025 112th stefangimmillaro 910 143 39ms 10 Jul 2025 114th Steffan153 🇫🇮 909 63 802ms 3 days ago 114th edsrzf 🇳🇿 909 63 877ms 3 days ago 116th Lydxn 🇨🇦 909 95 2ms 26 Feb 2023 116th Steffan153 🇫🇮 909 95 2ms 9 Apr 2023 116th GrayJoKing 🇦🇺 909 95 2ms 18 Jul 2024 116th FlyingPenguin223 909 95 2ms 27 Oct 2024 116th frosster 🇨🇦 909 95 2ms 8 Feb 2026 121st GolfingSuccess 🇬🇷 908 76 11ms 10 Jan 2022 121st annaproxy 908 76 11ms 15 Jan 2022 121st anter69 🇭🇺 908 76 11ms 22 Jan 2022 121st Shanethegamer 🇺🇸 908 76 12ms 20 Apr 2022 121st ndren 908 76 11ms 4 Oct 2023 121st DialFrost 🇸🇬 908 76 12ms 19 Nov 2023 121st Just4FunCoder 908 76 10ms 17 Feb 2024 121st Yewzir 🇧🇪 908 76 10ms 22 Jun 2024 121st CornerMercury 🇬🇧 908 76 11ms 14 Feb 2025 121st keelimeguy 🇺🇸 908 76 10ms 15 May 2025 121st snoozingnewt 🇨🇦 908 76 11ms 20 Feb 2026 132nd xsot 🇸🇬 908 92 5ms 22 May 2025 133rd Steffan153 🇫🇮 907 63 5ms 5 Mar 2026 134th tailorspy 907 122 62ms 11 Jul 2024 134th snyderek 🇺🇸 907 122 59ms 20 Jul 2024 134th zygoloid 907 122 63ms 7 Aug 2024 137th duckyluuk 🇳🇱 906 78 11ms 4 Oct 2024 137th targrik 906 78 12ms 13 Feb 2025 137th Yax42 🇫🇷 906 78 14ms 13 Nov 2025 140th JayXon 🇺🇸 905 78 2,623ms 5 Mar 2026 141st Steffan153 🇫🇮 904 68 121ms 6 Aug 2024 141st sean-niemann 🇺🇸 904 68 129ms 7 Aug 2024 141st JayXon 🇺🇸 904 68 124ms 15 Aug 2024 144th stefangimmillaro 904 117 456ms 6 Oct 2025 145th JayXon 🇺🇸 903 134 154ms 1 Nov 2025 145th kumavale 903 134 167ms 1 Nov 2025 147th JohandeRuiter 🇳🇱 902 102 1ms 7 Jul 2024 148th Shanethegamer 🇺🇸 902 124 121ms 16 Jan 2022 148th lynn 902 124 124ms 16 Jan 2022 148th Sakisan 🇧🇪 902 124 126ms 12 Oct 2022 148th HPWiz 🇳🇿 902 124 120ms 31 Jan 2023 148th ovs-code 🇩🇪 902 124 125ms 13 May 2023 148th Lydxn 🇨🇦 902 124 125ms 3 Aug 2023 148th edsrzf 🇳🇿 902 124 118ms 19 Dec 2025 148th JayXon 🇺🇸 902 124 139ms 5 Mar 2026 156th Steffan153 🇫🇮 901 47 161ms 5 Dec 2022 156th SirFireball3521 901 47 168ms 15 Feb 2023 158th HPWiz 🇳🇿 901 59 42ms 28 Jun 2022 159th Steffan153 🇫🇮 900 83 103ms 3 days ago 159th JayXon 🇺🇸 900 83 104ms 3 days ago 161st Waffle3z 900 96 2ms 11 Jan 2022 161st NickTheEASDude 🇺🇸 900 96 2ms 9 Apr 2024 161st MeepMoop 900 96 2ms 10 Apr 2025 164th error256 899 81 69ms 2 Mar 2025 164th sean-niemann 🇺🇸 899 81 63ms 14 May 2025 166th primo-ppcg 🇹🇭 898 50 41ms 4 May 2022 167th Shanethegamer 🇺🇸 898 93 5ms 13 Nov 2023 167th DialFrost 🇸🇬 898 93 6ms 28 Jul 2024 167th sean-niemann 🇺🇸 898 93 6ms 19 Apr 2025 170th JayXon 🇺🇸 897 148 335ms 11 Nov 2023 171st SirBogman 🇺🇸 896 77 11ms 20 Nov 2022 171st FlorianCassayre 🇫🇷 896 77 11ms 11 Sep 2023 171st KatieLG 🇬🇧 896 77 11ms 14 Sep 2024 171st luuumine 🇫🇷 896 77 12ms 31 Oct 2025 175th Shanethegamer 🇺🇸 896 118 447ms 24 Sep 2025 176th jared-hughes 895 79 10ms 12 Jan 2022 176th ZakkkkAttackkkk 🇵🇭 895 79 10ms 9 Jun 2022 176th ovs-code 🇩🇪 895 79 11ms 29 Sep 2023 176th uttumuttu 🇫🇮 895 79 10ms 21 Dec 2023 176th neel11235813 895 79 9ms 25 Mar 2024 176th levinwinter 895 79 10ms 21 Oct 2025 176th JOrE20 895 79 11ms 18 Feb 2026 176th DayDun 🇸🇪 895 79 10ms 20 days ago 184th xnor-gate 895 125 143ms 11 Jan 2022 185th GrayJoKing 🇦🇺 894 75 89ms 23 Jul 2024 185th DialFrost 🇸🇬 894 75 84ms 17 Mar 2025 185th sean-niemann 🇺🇸 894 75 98ms 6 Jul 2025 185th JayXon 🇺🇸 894 75 81ms 4 Mar 2026 185th Steffan153 🇫🇮 894 75 77ms 5 Mar 2026 190th JayXon 🇺🇸 894 102 436ms 23 Jul 2025 190th edsrzf 🇳🇿 894 102 487ms 12 Sep 2025 192nd DialFrost 🇸🇬 893 57 21ms 11 Jan 2025 193rd GrayJoKing 🇦🇺 893 64 5ms 17 Aug 2024 194th pardouin 🇫🇷 893 79 2,486ms 5 Mar 2026 195th Steffan153 🇫🇮 893 94 7ms 5 Mar 2026 195th edsrzf 🇳🇿 893 94 7ms 23 Mar 2026 197th KasperKivimaeki 🇫🇮 892 124 460ms 30 Jul 2025 198th JayXon 🇺🇸 891 98 2ms 19 Feb 2024 198th sean-niemann 🇺🇸 891 98 2ms 19 Nov 2025 198th Steffan153 🇫🇮 891 98 2ms 5 Mar 2026 First Prev 101–200 of 1,694 Next Last