The Taxicab Numbers hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Arabic to Roman 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 401st Steffan153 🇫🇮 798 204 107ms 22 Mar 2026 402nd m-tkach 🇺🇦 797 108 53ms 2 Dec 2022 403rd 2bular 796 49 5ms 11 Apr 2025 404th targrik 796 124 205ms 1 Dec 2025 405th ovs-code 🇩🇪 795 97 643ms 9 Feb 2025 405th antimon2 🇯🇵 795 97 365ms 11 Aug 2025 407th sisyphus-ppcg 🇦🇺 794 94 71ms 24 Jun 2022 408th SirBogman 🇺🇸 793 80 44ms 28 Aug 2022 409th stefangimmillaro 793 114 1,590ms 23 Feb 2023 410th niklv 🇷🇺 791 110 20ms 21 Dec 2023 411th anter69 🇭🇺 790 109 45ms 9 Mar 2022 411th dirckvdende 790 109 26ms 6 Jul 2025 413th SirBogman 🇺🇸 789 77 84ms 22 Jan 2024 414th Ripick 787 87 52ms 17 Mar 2024 415th MeWhenI 🇻🇦 787 306 1,815ms 7 days ago 416th primo-ppcg 🇹🇭 786 130 10ms 22 Feb 2020 416th KasperKivimaeki 🇫🇮 786 130 8ms 19 Aug 2025 418th galloj 🇨🇿 785 95 83ms 22 Jan 2023 419th Sam-Vrgl 784 111 15ms 13 May 2025 420th Bubbler-4 783 81 39ms 26 Apr 2022 420th rak1507 🇬🇧 783 81 42ms 2 May 2022 422nd jacklynnepenick 783 110 22ms 14 Aug 2021 422nd Yewzir 🇧🇪 783 110 26ms 3 Jun 2024 422nd HumanoidCPU 783 110 30ms 31 Oct 2024 422nd keelimeguy 🇺🇸 783 110 58ms 17 May 2025 426th primo-ppcg 🇹🇭 783 152 515ms 21 Nov 2021 427th FlorianCassayre 🇫🇷 782 51 161ms 26 May 2024 428th MeWhenI 🇻🇦 782 186 6ms 24 Jul 2023 429th Shanethegamer 🇺🇸 782 193 132ms 28 Jan 2024 430th stefangimmillaro 782 195 51ms 26 Apr 2025 431st scpchicken 🇵🇼 781 100 66ms 17 Apr 2022 432nd Kacarott 🇦🇺 780 70 47ms 22 Aug 2024 433rd prplz 🇦🇺 780 131 9ms 19 Apr 2021 434th JayXon 🇺🇸 780 146 494ms 5 Mar 2022 435th primo-ppcg 🇹🇭 779 137 18ms 18 May 2023 436th laikoni 779 187 355ms 10 Jan 2019 437th xsot 🇸🇬 778 149 11ms 10 Oct 2023 438th FortuiteMan 🇫🇷 777 62 16ms 7 Oct 2024 439th KatieLG 🇬🇧 777 112 19ms 5 Oct 2025 440th xsot 🇸🇬 777 127 21ms 19 Apr 2025 441st MeWhenI 🇻🇦 776 111 27ms 22 Oct 2021 442nd MeWhenI 🇻🇦 776 339 1,363ms 10 Feb 2025 443rd Jeremy-Stafford 775 188 361ms 29 Mar 2023 444th tomtheisen 🇺🇸 773 154 464ms 1 Feb 2023 445th stefangimmillaro 773 213 166ms 4 Jun 2025 446th RussellEmerine 771 189 328ms 2 Jan 2020 447th UnderKoen 🇳🇱 771 223 190ms 8 Jul 2024 448th emgordon154 770 113 20ms 1 Aug 2024 449th prplz 🇦🇺 770 175 2,856ms 9 Jan 2022 450th edsrzf 🇳🇿 768 151 7ms 24 Feb 2026 451st dokutan 767 52 113ms 6 Apr 2025 452nd Shanethegamer 🇺🇸 766 189 640ms 24 Sep 2025 453rd DialFrost 🇸🇬 765 149 514ms 15 Apr 2025 454th snoozingnewt 🇨🇦 765 180 121ms 13 Dec 2025 455th inventshah 764 149 2,826ms 26 Oct 2024 456th ETHproductions 🇺🇸 763 114 17ms 23 May 2018 456th vlpx 🇫🇮 763 114 27ms 23 Sep 2024 458th AdrienHache 🇫🇷 763 156 443ms 24 Dec 2023 459th Babafaba 762 113 22ms 24 Nov 2025 459th dokutan 762 113 28ms 1 Feb 2026 461st MeWhenI 🇻🇦 762 326 104ms 19 Jul 2025 462nd DialFrost 🇸🇬 761 153 25ms 16 Apr 2025 462nd edsrzf 🇳🇿 761 153 23ms 1 Sep 2025 464th GrayJoKing 🇦🇺 761 163 512ms 24 Jul 2025 465th DialFrost 🇸🇬 760 110 894ms 1 Sep 2025 466th MeWhenI 🇻🇦 760 160 151ms 1 Feb 2024 467th sean-niemann 🇺🇸 759 130 21ms 30 May 2025 468th lifthrasiir 🇰🇷 758 72 49ms 30 Nov 2024 469th southpolenator 757 135 10ms 12 Jun 2023 470th solmyr2000 757 178 502ms 19 Jun 2022 471st GolfingSuccess 🇬🇷 755 88 79ms 14 Feb 2025 472nd jmerle 🇳🇱 755 114 23ms 20 Jun 2023 472nd SB-945 755 114 20ms 3 Mar 2024 472nd cuvam 🇺🇸 755 114 23ms 4 days ago 475th marcin7Cd 755 193 361ms 24 Jan 2021 476th DialFrost 🇸🇬 755 200 287ms 16 Apr 2025 477th SirBogman 🇺🇸 755 202 47ms 16 Apr 2022 478th edsrzf 🇳🇿 755 218 243ms 22 Jul 2025 479th sisyphus-ppcg 🇦🇺 753 54 141ms 28 Jul 2022 479th ovs-code 🇩🇪 753 54 111ms 10 Feb 2025 481st Alex-x90 🇺🇸 753 179 454ms 25 Oct 2023 482nd SirBogman 🇺🇸 752 99 1,166ms 18 May 2024 483rd duckyluuk 🇳🇱 751 104 1,345ms 7 Jul 2025 484th KrausRaus 🇺🇸 750 116 20ms 2 Sep 2020 485th QuincyNash 🇺🇸 749 115 432ms 4 Dec 2022 486th prplz 🇦🇺 749 159 515ms 21 Nov 2021 487th Steffan153 🇫🇮 748 132 24ms 8 Aug 2024 488th snoozingnewt 🇨🇦 748 202 118ms 20 Nov 2025 489th DialFrost 🇸🇬 747 194 588ms 24 Sep 2025 490th Shanethegamer 🇺🇸 746 163 164ms 28 Jan 2024 491st iakolzin 745 181 435ms 30 Jun 2022 492nd KatieLG 🇬🇧 744 105 460ms 6 Oct 2025 493rd xyangst 744 117 20ms 28 Sep 2024 493rd ArmaanAS 744 117 20ms 18 Feb 2025 495th MeWhenI 🇻🇦 744 160 430ms 16 Jun 2023 496th janbehrens 🇩🇪 743 128 66ms 21 Jan 2021 497th o0lit3 🇺🇸 742 62 9ms 6 Oct 2020 497th JayXon 🇺🇸 742 62 9ms 16 Dec 2021 497th Steffan153 🇫🇮 742 62 8ms 21 Feb 2026 500th Shanethegamer 🇺🇸 742 116 25ms 21 Jul 2021 First Prev 401–500 of 1,926 Next Last