The Taxicab Numbers hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Roman to Arabic 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 601st Shanethegamer 🇺🇸 715 139 39ms 30 Jun 2022 602nd Shanethegamer 🇺🇸 714 88 4ms 30 Oct 2023 603rd Attero 🇸🇪 714 106 18ms 28 Oct 2020 603rd jared-hughes 714 106 18ms 3 Aug 2022 603rd coreynash 714 106 19ms 16 Feb 2024 606th antimon2 🇯🇵 712 83 1,213ms 18 Aug 2025 607th mrondon8 712 101 21ms 5 Sep 2021 607th Artemis21 🇬🇧 712 101 21ms 10 Jan 2025 607th blaztoma 🇱🇹 712 101 21ms 19 Dec 2025 610th HPWiz 🇳🇿 711 48 39ms 4 Oct 2021 611th AlephSquirrel 711 91 626ms 21 Jan 2024 611th Jacob385 711 91 509ms 13 Nov 2024 613th ovs-code 🇩🇪 709 92 154ms 20 Nov 2024 613th dokutan 709 92 148ms 20 Apr 2025 615th raphaelimahorn 707 107 14ms 17 Aug 2021 615th scpchicken 🇵🇼 707 107 15ms 26 Jan 2022 615th itsh01 707 107 14ms 3 Apr 2022 615th solmyr2000 707 107 14ms 11 Jun 2022 615th rifatx 707 107 18ms 17 Mar 2023 615th acollett89 707 107 24ms 4 Aug 2025 621st Attero 🇸🇪 705 102 23ms 25 Sep 2020 621st gresm 705 102 22ms 4 Mar 2026 623rd user189032 703 158 296ms 30 May 2019 624th Yewzir 🇧🇪 702 172 44ms 9 Jun 2024 625th Alessandro-Balconi 🇮🇹 699 49 95ms 14 Jul 2023 625th Shanethegamer 🇺🇸 699 49 96ms 7 Dec 2024 627th lynn 699 117 75ms 30 Nov 2021 628th strout 699 159 331ms 14 Dec 2023 629th andersk 🇺🇸 699 162 166ms 18 Mar 2020 630th HumanoidCPU 698 103 24ms 7 Jun 2024 631st m-tkach 🇺🇦 698 117 4ms 21 Jan 2022 632nd primo-ppcg 🇹🇭 697 145 539ms 1 Jun 2020 633rd ovs-code 🇩🇪 696 86 20ms 4 Oct 2024 634th CaedenHarper 🇨🇦 695 85 262ms 22 Aug 2025 635th emgordon154 695 93 540ms 24 Sep 2024 636th CaedenHarper 🇨🇦 695 160 255ms 22 Aug 2025 637th SirBogman 🇺🇸 694 84 3,590ms 18 May 2024 638th DialFrost 🇸🇬 694 94 162ms 4 Aug 2024 639th jake-freeman 694 109 16ms 13 May 2020 639th ArmaanAS 694 109 14ms 7 Mar 2021 639th voytxt 🇨🇿 694 109 17ms 12 Jul 2024 639th Lv0Sys 🇵🇱 694 109 14ms 20 Feb 2026 643rd CaedenHarper 🇨🇦 694 129 6ms 22 Aug 2025 644th Yewzir 🇧🇪 693 130 472ms 15 Nov 2025 645th Shanethegamer 🇺🇸 692 113 400ms 31 Oct 2023 646th NewDefectus 🇮🇱 691 104 20ms 16 Oct 2021 647th CaedenHarper 🇨🇦 691 269 1,799ms 12 days ago 648th stefangimmillaro 690 113 8ms 7 Nov 2023 649th helbling 🇨🇭 688 110 21ms 3 Sep 2025 650th Shanethegamer 🇺🇸 688 146 2,847ms 9 Jan 2022 650th Yewzir 🇧🇪 688 146 63ms 10 Jun 2024 652nd blaztoma 🇱🇹 686 70 44ms 22 Nov 2025 653rd rucin93 🇵🇱 686 95 154ms 31 Oct 2024 654th Yewzir 🇧🇪 686 135 10ms 9 Jun 2024 655th yzhs 🇩🇪 686 162 298ms 25 Jul 2021 656th Yewzir 🇧🇪 686 186 100ms 22 Mar 2026 657th yzhs 🇩🇪 685 105 19ms 25 Oct 2020 657th Espiobest 685 105 26ms 26 Feb 2021 657th mokymok 🇺🇸 685 105 20ms 27 Sep 2021 660th Natanaelel 🇸🇪 683 73 232ms 16 Feb 2023 661st XenThe 🇬🇧 682 111 15ms 1 Jul 2025 662nd CaedenHarper 🇨🇦 681 136 11ms 22 Aug 2025 663rd annaproxy 681 157 32ms 11 May 2023 664th saito-ta 🇯🇵 678 87 530ms 23 Oct 2023 665th emgordon154 678 111 2,367ms 13 Dec 2024 666th MeWhenI 🇻🇦 676 147 45ms 17 Feb 2023 667th mintypython 675 112 16ms 16 Oct 2018 667th saramaebee 675 112 15ms 18 Oct 2018 667th taklam 675 112 17ms 4 Jul 2020 667th igmcdowell 675 112 15ms 4 Jan 2022 671st ReidZ3 🇺🇸 674 165 315ms 13 Dec 2020 672nd Jiramide 673 133 12ms 7 Feb 2021 673rd DialFrost 🇸🇬 672 106 524ms 16 Nov 2024 674th DialFrost 🇸🇬 670 88 3,026ms 7 Oct 2024 675th SirBogman 🇺🇸 669 51 42ms 1 Sep 2022 676th vmcnabb 🇳🇿 669 113 15ms 6 May 2021 676th targrik 669 113 13ms 24 Feb 2025 678th sean-niemann 🇺🇸 669 122 3ms 31 Oct 2023 679th dokutan 669 138 250ms 13 Nov 2025 680th clockworknazo 668 114 20ms 20 Feb 2023 681st MichalMarsalek 🇨🇿 668 135 465ms 30 Aug 2022 682nd MahlerFive 🇨🇦 667 186 383ms 24 Apr 2020 683rd AlephSquirrel 666 55 4ms 8 Nov 2025 684th FlorianCassayre 🇫🇷 666 108 26ms 18 Sep 2023 685th Natanaelel 🇸🇪 666 167 305ms 10 May 2025 686th MeWhenI 🇻🇦 666 271 143ms 29 Nov 2023 687th alexkunin 664 114 14ms 7 Jul 2019 688th frankgraziano 663 89 3,631ms 13 Feb 2026 689th lionbryce 663 135 10ms 8 Aug 2024 690th SirBogman 🇺🇸 663 182 43ms 17 Apr 2022 691st RaBa21 🇭🇺 660 109 20ms 12 Jul 2025 692nd Yax42 🇫🇷 658 115 14ms 21 Jan 2026 693rd KasperKivimaeki 🇫🇮 658 137 492ms 7 Nov 2025 694th Bubbler-4 657 52 41ms 9 Dec 2021 694th DialFrost 🇸🇬 657 52 42ms 1 Feb 2023 696th sean-niemann 🇺🇸 657 153 61ms 11 Jul 2024 697th Shanethegamer 🇺🇸 656 76 191ms 12 Dec 2021 698th dvargas46 🇺🇸 656 90 209ms 23 Jan 2023 699th varhammer 655 121 180ms 13 Dec 2023 700th SB-945 654 110 25ms 7 Apr 2024 First Prev 601–700 of 1,524 Next Last