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 500th jeff-at-tamer-dot-codes 🇺🇸 742 116 24ms 8 Sep 2023 500th elgan65536 🇺🇸 742 116 24ms 31 Mar 2024 503rd DialFrost 🇸🇬 742 133 22ms 16 Apr 2025 504th albanian-laundromat 🇺🇸 742 193 10ms 14 Jul 2025 505th MeWhenI 🇻🇦 741 82 86ms 7 Dec 2022 506th flawr 740 197 327ms 1 Mar 2019 507th btnlq 738 151 23ms 20 Jan 2022 508th HumanoidCPU 737 106 469ms 31 Oct 2024 509th elisherer 🇮🇱 737 118 15ms 8 Apr 2019 509th tayloia 🇬🇧 737 118 39ms 15 May 2023 509th ovs-code 🇩🇪 737 118 17ms 18 Nov 2024 512th m-tkach 🇺🇦 737 199 33ms 9 Feb 2026 513th yzhs 🇩🇪 736 117 31ms 25 Oct 2020 513th annaproxy 736 117 31ms 31 Oct 2021 513th jakobkordez 🇸🇮 736 117 25ms 17 Oct 2022 513th DialFrost 🇸🇬 736 117 23ms 22 Dec 2022 513th neel11235813 736 117 40ms 18 Jan 2023 513th jatloe 736 117 21ms 5 Oct 2024 519th emplv 🇱🇻 736 134 35ms 3 Jun 2024 520th yzhs 🇩🇪 736 198 321ms 24 Jul 2021 520th Natanaelel 🇸🇪 736 198 318ms 2 May 2025 522nd stefangimmillaro 735 197 651ms 6 Oct 2025 523rd olivermrose 🇺🇸 732 83 53ms 19 Sep 2021 523rd anter69 🇭🇺 732 83 53ms 12 Feb 2024 525th Yewzir 🇧🇪 732 159 17ms 16 Oct 2023 526th SirBogman 🇺🇸 731 63 8ms 3 Jan 2022 527th blaztoma 🇱🇹 731 119 14ms 4 Oct 2025 528th MeWhenI 🇻🇦 730 91 81ms 7 Jul 2024 528th Steffan153 🇫🇮 730 91 82ms 9 Jul 2024 530th emgordon154 730 103 158ms 6 Sep 2024 531st nsprd 730 118 24ms 19 Jan 2024 531st driri85 730 118 27ms 7 Jan 2025 533rd strout 729 200 342ms 16 Aug 2022 534th rucin93 🇵🇱 728 160 51ms 20 Aug 2025 535th dokutan 727 115 1,171ms 8 Sep 2025 535th albanian-laundromat 🇺🇸 727 115 1,072ms 12 Nov 2025 537th primo-ppcg 🇹🇭 726 136 14ms 3 Jul 2023 538th prplz 🇦🇺 724 84 75ms 17 Mar 2020 539th adriweb 🇫🇷 724 160 40ms 21 Aug 2023 540th sultan 724 200 521ms 12 days ago 541st albanian-laundromat 🇺🇸 723 119 20ms 24 Apr 2025 542nd anter69 🇭🇺 723 125 1,619ms 13 Mar 2025 543rd lynn 722 92 92ms 13 Mar 2023 543rd sisyphus-ppcg 🇦🇺 722 92 80ms 14 Mar 2023 543rd Yewzir 🇧🇪 722 92 78ms 6 Mar 2024 546th zygoloid 721 187 69ms 11 Aug 2024 547th namelessiw 721 201 626ms 8 Oct 2025 548th Shanethegamer 🇺🇸 720 161 9ms 16 Apr 2022 548th dokutan 720 161 15ms 10 Apr 2025 550th stefangimmillaro 720 169 147ms 29 Nov 2022 551st Indivicivet 719 67 23ms 30 Mar 2021 551st KatieLG 🇬🇧 719 67 24ms 24 May 2021 553rd edsrzf 🇳🇿 719 177 35ms 18 Mar 2026 554th elgan65536 🇺🇸 719 229 260ms 28 Mar 2024 555th boxjelly 718 203 348ms 23 Feb 2021 555th HallMatthew314 718 203 355ms 14 Feb 2022 557th Babafaba 717 109 476ms 24 Nov 2025 558th FortuiteMan 🇫🇷 717 120 25ms 23 Apr 2023 558th tri1212 🇻🇳 717 120 610ms 30 Jun 2024 560th h3ra993huskp 🇯🇵 717 202 713ms 30 Nov 2025 560th dokutan 717 202 556ms 13 Jan 2026 562nd DialFrost 🇸🇬 717 367 1,276ms 17 Apr 2025 563rd Yewzir 🇧🇪 716 215 359ms 5 Jan 2024 564th annaproxy 714 93 81ms 16 Mar 2023 565th MarcMush 🇫🇷 714 108 964ms 3 Jan 2024 566th Shanethegamer 🇺🇸 713 122 18ms 1 Dec 2022 567th sean-niemann 🇺🇸 713 167 492ms 10 Jan 2024 568th fkantelberg 712 121 21ms 14 Jul 2023 569th fantaize 712 231 208ms 10 Mar 2026 570th primo-ppcg 🇹🇭 710 204 644ms 2 Sep 2020 571st bstrat 709 55 4ms 23 days ago 572nd MeWhenI 🇻🇦 709 215 56ms 29 Apr 2025 573rd JunkIce 706 122 26ms 3 Dec 2024 574th DialFrost 🇸🇬 705 134 288ms 15 Aug 2024 575th janbehrens 🇩🇪 705 140 15ms 12 Nov 2023 576th billings7 🇬🇧 704 169 426ms 21 Nov 2021 577th angel-p57 🇯🇵 703 238 11ms 18 May 2022 578th justecorruptio 702 124 18ms 14 Apr 2018 579th aditsu 702 162 2,712ms 9 Sep 2025 580th AlephSquirrel 701 58 121ms 31 May 2023 581st Steffan153 🇫🇮 701 110 738ms 30 May 2024 582nd P-Quentin 🇫🇷 700 123 28ms 5 Aug 2022 582nd RaBa21 🇭🇺 700 123 22ms 17 Jul 2025 584th ethanlally 700 207 576ms 8 Jan 2026 585th KatieLG 🇬🇧 699 87 46ms 2 Oct 2025 586th Betuaredead 698 69 16ms 12 Jan 2023 587th frankgraziano 698 356 215ms 7 Nov 2025 588th saito-ta 🇯🇵 697 66 7ms 19 Jul 2025 589th ovs-code 🇩🇪 697 112 531ms 9 Feb 2025 589th dokutan 697 112 526ms 14 Feb 2026 591st tobeannouncd 697 209 332ms 30 Jan 2024 592nd ngn 🇧🇬 696 56 5ms 6 Feb 2022 593rd rucin93 🇵🇱 696 108 179ms 31 Oct 2024 594th p01 696 125 20ms 26 Jan 2018 594th tpiechaczek 🇵🇱 696 125 23ms 29 Jan 2020 594th olivermrose 🇺🇸 696 125 21ms 27 Aug 2021 594th dmrichwa 🇺🇸 696 125 34ms 16 Apr 2022 594th two-bad 🇬🇧 696 125 21ms 23 Nov 2023 594th dylanarmstrong 696 125 18ms 10 Dec 2023 594th kkoenig 696 125 21ms 23 Dec 2023 First Prev 501–600 of 1,926 Next Last