The Taxicab Numbers hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Happy Numbers (Long) 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 800th dokutan 738 103 437ms 23 Nov 2025 802nd KatieLG 🇬🇧 737 67 1,591ms 21 Sep 2021 803rd AlephSquirrel 737 76 636ms 16 Jan 2024 803rd JunkIce 737 76 375ms 3 Dec 2024 805th boxjelly 737 92 164ms 14 Mar 2022 806th steffan-polygolf 737 103 125ms 19 Feb 2024 807th akshatj27 🇦🇶 736 56 39ms 11 Jan 2022 807th m-tkach 🇺🇦 736 56 37ms 23 Feb 2023 809th snoozingnewt 🇨🇦 736 90 163ms 13 Oct 2025 810th Shanethegamer 🇺🇸 734 89 38ms 16 Apr 2024 811th SirBogman 🇺🇸 734 254 43ms 23 Nov 2022 812th jared-hughes 733 81 294ms 19 Sep 2021 812th jacklynnepenick 733 81 223ms 5 Nov 2021 812th guilhem-roy 🇫🇷 733 81 306ms 26 Feb 2022 812th suwat513 733 81 300ms 15 Sep 2022 812th LogicalJoe 733 81 220ms 7 Oct 2022 812th Eilonlif 🇮🇱 733 81 310ms 3 Nov 2022 812th janbehrens 🇩🇪 733 81 210ms 17 Jun 2023 812th bknower 733 81 28ms 26 Jun 2025 812th edsrzf 🇳🇿 733 81 226ms 22 Jul 2025 812th StefanHabel 🇨🇦 733 81 286ms 22 days ago 812th solisolu 733 81 21ms 21 days ago 812th scpchicken 🇵🇼 733 81 257ms 8 days ago 824th frankgraziano 733 100 10ms 24 Feb 2026 825th j-Ewan 732 41 33ms 22 Feb 2022 825th sisyphus-ppcg 🇦🇺 732 41 275ms 31 Jan 2023 825th SirFireball3521 732 41 258ms 15 Mar 2023 828th janbehrens 🇩🇪 732 64 489ms 9 Nov 2021 828th dokutan 732 64 335ms 13 Mar 2026 830th snoozingnewt 🇨🇦 732 136 147ms 29 Sep 2025 831st AlephSquirrel 731 81 10ms 8 Aug 2022 831st Program-Pi 731 81 11ms 5 Mar 2026 833rd jared-hughes 731 94 2ms 14 Mar 2022 833rd KenanHanke 731 94 2ms 22 Feb 2023 833rd madex 🇩🇪 731 94 2ms 16 days ago 836th primo-ppcg 🇹🇭 730 104 448ms 21 Nov 2021 836th Irratix 🇳🇱 730 104 466ms 13 Dec 2021 836th ericlangedijk 🇸🇮 730 104 510ms 17 Mar 2022 836th CaedenHarper 🇨🇦 730 104 436ms 5 Nov 2025 836th prestosilver 🇺🇸 730 104 170ms 17 Mar 2026 841st Shanethegamer 🇺🇸 729 104 13ms 17 Dec 2023 842nd dokutan 729 109 116ms 18 Nov 2025 843rd MeWhenI 🇻🇦 728 68 1,728ms 28 Jan 2023 843rd Feniske 🇫🇷 728 68 1,683ms 7 Nov 2023 845th MeWhenI 🇻🇦 728 73 144ms 3 Aug 2024 846th neel11235813 728 77 545ms 15 Jan 2024 846th CaedenHarper 🇨🇦 728 77 745ms 14 Jul 2025 848th snoozingnewt 🇨🇦 728 84 106ms 22 Oct 2025 849th DialFrost 🇸🇬 728 91 23ms 31 Oct 2023 850th GrayJoKing 🇦🇺 728 113 459ms 28 Feb 2022 851st snoozingnewt 🇨🇦 727 105 38ms 1 Sep 2024 852nd scpchicken 🇵🇼 727 137 160ms 19 May 2022 853rd jerrandolph 727 162 322ms 3 Nov 2023 854th Yewzir 🇧🇪 726 90 43ms 14 Jan 2024 855th Schmitt-Very-Cool 726 128 473ms 30 Sep 2025 856th stefangimmillaro 724 82 312ms 27 Sep 2021 856th NewDefectus 🇮🇱 724 82 26ms 16 Dec 2021 856th CedricGebistorf 724 82 245ms 25 Feb 2022 856th aksyristos 724 82 203ms 12 Feb 2023 856th quimey 724 82 218ms 22 Mar 2023 856th Fracture17 724 82 289ms 8 Apr 2023 856th Re-Adventures 🇮🇳 724 82 228ms 20 Jul 2023 856th Natanaelel 🇸🇪 724 82 215ms 29 Oct 2023 856th codingisgreatbutiamnot 724 82 295ms 25 Jul 2024 856th klixel 🇨🇦 724 82 299ms 17 Jan 2025 856th CommandLeo 🇮🇹 724 82 323ms 3 Dec 2025 856th luuumine 🇫🇷 724 82 295ms 4 Dec 2025 856th FortuiteMan 🇫🇷 724 82 300ms 5 Dec 2025 856th FoxInTheClouds 724 82 325ms 13 Feb 2026 870th AlephSquirrel 724 95 2ms 8 Jun 2023 871st arctouch-cristiannevianna 724 105 483ms 26 May 2023 871st annaproxy 724 105 470ms 11 Apr 2025 873rd albanian-laundromat 🇺🇸 724 190 1,209ms 18 Oct 2025 874th Shanethegamer 🇺🇸 723 57 104ms 27 Sep 2021 874th blaztoma 🇱🇹 723 57 39ms 13 days ago 876th snoozingnewt 🇨🇦 723 105 137ms 3 Oct 2025 877th randolchance 722 82 15ms 11 Jan 2023 877th Protothor 722 82 11ms 26 Feb 2026 879th annaproxy 721 105 26ms 8 Jan 2023 880th Shanethegamer 🇺🇸 721 121 36ms 15 Dec 2022 881st GolfingSuccess 🇬🇷 720 112 4ms 11 Sep 2022 882nd MeWhenI 🇻🇦 720 118 41ms 13 Feb 2025 883rd Shanethegamer 🇺🇸 718 74 146ms 19 Aug 2024 884th RockOfStone 718 106 2ms 4 Nov 2021 885th targrik 718 164 327ms 30 Jun 2025 886th dcgjb 717 69 1,074ms 6 May 2024 887th prplz 🇦🇺 715 42 229ms 27 Sep 2021 888th neihousaigaai 715 83 22ms 3 Jan 2022 888th cesarm4 715 83 193ms 16 Apr 2022 888th nstearns96 🇬🇧 715 83 251ms 27 Jan 2023 888th randolchance 715 83 21ms 16 Feb 2023 888th galloj 🇨🇿 715 83 3,245ms 5 Mar 2023 888th yzhs 🇩🇪 715 83 301ms 23 Jun 2023 888th m42km 715 83 315ms 12 Oct 2023 888th madeforlosers 715 83 27ms 20 days ago 896th janbehrens 🇩🇪 715 115 466ms 23 Mar 2022 897th emgordon154 714 100 13ms 27 Dec 2024 898th lynn 714 106 35ms 16 Nov 2021 899th Yewzir 🇧🇪 714 113 3ms 13 Jan 2024 900th tayloia 🇬🇧 713 83 14ms 11 May 2023 First Prev 801–900 of 2,107 Next Last