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 501st primo-ppcg 🇹🇭 764 107 214ms 12 Feb 2022 502nd MeWhenI 🇻🇦 764 118 503ms 4 Mar 2022 503rd dokutan 762 63 45ms 20 Apr 2025 504th CaedenHarper 🇨🇦 760 149 170ms 22 Aug 2025 505th dcgjb 758 77 657ms 16 May 2024 506th CaedenHarper 🇨🇦 758 119 405ms 18 Aug 2025 507th MeWhenI 🇻🇦 757 108 62ms 30 Oct 2023 508th Yewzir 🇧🇪 756 100 15ms 9 Jun 2024 509th m-tkach 🇺🇦 755 133 591ms 14 Aug 2023 510th CaedenHarper 🇨🇦 754 83 1,566ms 18 Aug 2025 511th MeWhenI 🇻🇦 754 101 40ms 1 Nov 2023 512th primo-ppcg 🇹🇭 753 130 110ms 14 Feb 2020 513th primo-ppcg 🇹🇭 751 104 406ms 10 Apr 2025 514th Yewzir 🇧🇪 751 123 241ms 9 Jun 2024 514th CaedenHarper 🇨🇦 751 123 247ms 7 Nov 2025 514th plcc0 751 123 253ms 3 Mar 2026 517th btjones0 749 96 25ms 16 Jul 2022 518th SirBogman 🇺🇸 748 49 6ms 16 Nov 2023 519th janbehrens 🇩🇪 748 78 970ms 3 Dec 2023 520th MarcMush 🇫🇷 748 79 1,130ms 11 Jan 2024 521st Steffan153 🇫🇮 747 59 170ms 25 Jan 2023 521st sean-niemann 🇺🇸 747 59 178ms 27 Apr 2024 523rd primo-ppcg 🇹🇭 745 121 401ms 17 Apr 2022 524th CaedenHarper 🇨🇦 744 39 112ms 26 Oct 2025 525th xsot 🇸🇬 743 87 491ms 25 Jan 2024 525th CaedenHarper 🇨🇦 743 87 542ms 8 Dec 2025 527th ovs-code 🇩🇪 742 46 35ms 6 Feb 2024 528th cywong-amino 🇭🇰 742 102 36ms 1 Jul 2020 528th dokutan 742 102 14ms 20 Apr 2025 530th emgordon154 741 97 19ms 24 Sep 2024 531st 4hg 🇺🇸 739 65 44ms 25 Jan 2023 532nd inventshah 739 85 7ms 15 Nov 2022 533rd janbehrens 🇩🇪 739 122 500ms 18 May 2023 533rd plcc0 739 122 460ms 4 Mar 2026 535th MeWhenI 🇻🇦 739 136 60ms 10 Apr 2024 536th Shanethegamer 🇺🇸 738 79 560ms 31 Oct 2023 537th sean-niemann 🇺🇸 737 106 465ms 31 Oct 2023 538th janbehrens 🇩🇪 736 106 8ms 2 Jul 2023 538th Shanethegamer 🇺🇸 736 106 9ms 2 Jul 2023 540th jared-hughes 736 245 131ms 6 Jul 2024 541st inventshah 735 88 608ms 22 Jan 2024 541st ovs-code 🇩🇪 735 88 620ms 27 Jan 2024 541st m-tkach 🇺🇦 735 88 542ms 31 Jan 2024 541st albanian-laundromat 🇺🇸 735 88 486ms 9 Aug 2025 545th HPWiz 🇳🇿 734 98 19ms 5 Sep 2021 545th jakobkordez 🇸🇮 734 98 26ms 31 Oct 2022 545th Rubiksmath 734 98 20ms 5 Sep 2023 545th ovs-code 🇩🇪 734 98 44ms 27 Jan 2024 545th elgan65536 🇺🇸 734 98 26ms 31 Mar 2024 545th 4atj 734 98 24ms 30 Jun 2025 551st ETHproductions 🇺🇸 734 103 16ms 7 May 2018 551st thisishowmymindworks 🇳🇴 734 103 15ms 6 Aug 2020 551st Maznek 734 103 17ms 28 Jun 2023 554th lynn 733 159 37ms 21 Jul 2023 555th MeWhenI 🇻🇦 732 112 12ms 23 May 2023 556th dokutan 731 103 25ms 1 Jul 2024 557th SirBogman 🇺🇸 728 66 43ms 20 Mar 2022 558th sisyphus-ppcg 🇦🇺 727 89 625ms 16 Jan 2024 558th MeWhenI 🇻🇦 727 89 538ms 24 May 2024 560th CaedenHarper 🇨🇦 727 104 14ms 17 Aug 2025 561st Lydxn 🇨🇦 727 139 571ms 30 Jun 2021 561st dokutan 727 139 606ms 13 Nov 2025 563rd xnor-gate 726 99 43ms 18 Sep 2021 563rd wh3n3v3r 🇨🇿 726 99 19ms 8 Nov 2024 565th AlephSquirrel 726 138 5ms 29 Jul 2023 566th treeowl 726 153 312ms 25 Feb 2019 567th MeWhenI 🇻🇦 725 98 2,369ms 24 Oct 2024 568th Shanethegamer 🇺🇸 724 113 156ms 12 days ago 569th MeWhenI 🇻🇦 724 128 35ms 10 Oct 2023 570th o0lit3 🇺🇸 722 61 25ms 27 Sep 2020 570th Lydxn 🇨🇦 722 61 170ms 31 Dec 2021 570th DialFrost 🇸🇬 722 61 175ms 25 Jan 2023 570th ovs-code 🇩🇪 722 61 165ms 3 Oct 2023 570th iczelia 🇩🇪 722 61 168ms 5 Nov 2025 570th blaztoma 🇱🇹 722 61 175ms 22 Nov 2025 576th Waffle3z 722 124 18ms 17 Apr 2022 577th laikoni 722 154 315ms 23 Feb 2019 578th prplz 🇦🇺 720 81 976ms 17 Jun 2020 578th Feniske 🇫🇷 720 81 2,699ms 26 Nov 2023 580th xyangst 720 105 16ms 4 Oct 2024 580th Salutations45 720 105 20ms 11 Jan 2025 582nd DialFrost 🇸🇬 720 138 40ms 31 Dec 2025 583rd ndren 719 90 494ms 5 May 2024 583rd DialFrost 🇸🇬 719 90 552ms 4 Jun 2024 585th inventshah 719 100 23ms 14 Apr 2021 585th lynn 719 100 25ms 29 Nov 2021 585th CedricGebistorf 719 100 27ms 2 Mar 2022 585th scpchicken 🇵🇼 719 100 23ms 4 May 2022 585th AlephSquirrel 719 100 26ms 6 Dec 2022 585th bricknellj 719 100 29ms 25 Jan 2023 585th LogicalJoe 719 100 20ms 24 May 2023 585th janbehrens 🇩🇪 719 100 22ms 17 Jun 2023 585th bizy-coder 719 100 22ms 27 Jan 2024 585th 5cw 🇺🇸 719 100 20ms 5 Jul 2024 585th firegene 🇮🇪 719 100 19ms 30 Jan 2025 585th edsrzf 🇳🇿 719 100 28ms 29 Jun 2025 585th KasperKivimaeki 🇫🇮 719 100 20ms 30 Jun 2025 585th wuduculfre 719 100 22ms 22 Jul 2025 585th StefanHabel 🇨🇦 719 100 19ms 4 Mar 2026 585th vang1ong7ang 719 100 21ms 2 days ago First Prev 501–600 of 1,524 Next Last