The Taxicab Numbers hole will go live in approximately 2 days. Why not try and solve it ahead of time?
Leap Years 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 Huffman Encoder 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 Huffman Encoder 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 retrohun 910 31 3ms 30 Apr 2019 401st scpchicken 🇵🇼 910 31 3ms 18 Jun 2023 401st fuzzylojik-golf 🇺🇸 910 31 3ms 22 May 2025 404th btnlq 910 58 390ms 9 Feb 2022 404th Yax42 🇫🇷 910 58 407ms 31 May 2025 404th Steffan153 🇫🇮 910 58 460ms 23 Mar 2026 404th stefangimmillaro 910 58 389ms 10 days ago 408th UnderKoen 🇳🇱 910 72 2ms 16 Jun 2025 409th lynn 909 22 43ms 26 Jul 2022 409th SirBogman 🇺🇸 909 22 42ms 18 Sep 2022 409th pardouin 🇫🇷 909 22 44ms 24 Oct 2024 409th saito-ta 🇯🇵 909 22 42ms 28 Aug 2025 409th fuzzylojik-golf 🇺🇸 909 22 42ms 28 Mar 2026 414th Steffan153 🇫🇮 908 53 4ms 18 Feb 2023 414th xsot 🇸🇬 908 53 4ms 11 Feb 2024 414th sean-niemann 🇺🇸 908 53 4ms 25 Mar 2025 417th Bubbler-4 907 24 2ms 10 Jan 2022 417th GrayJoKing 🇦🇺 907 24 2ms 2 Feb 2022 417th lynn 907 24 2ms 27 May 2022 417th bstrat 907 24 2ms 9 Oct 2024 421st xsot 🇸🇬 907 40 723ms 22 Feb 2026 422nd sean-niemann 🇺🇸 907 54 8ms 23 Jun 2025 423rd primo-ppcg 🇹🇭 906 51 4ms 20 May 2023 424th sisyphus-ppcg 🇦🇺 905 34 1,248ms 26 Mar 2021 424th dokutan 905 34 1,311ms 25 Sep 2024 426th sean-niemann 🇺🇸 905 41 456ms 17 Jan 2024 426th DialFrost 🇸🇬 905 41 470ms 17 Jan 2024 426th GrayJoKing 🇦🇺 905 41 491ms 18 Jan 2024 426th b-illy 🇬🇧 905 41 438ms 7 Sep 2024 430th masterada 905 85 315ms 26 Mar 2021 430th stefangimmillaro 905 85 317ms 4 Aug 2023 430th Steffan153 🇫🇮 905 85 340ms 3 Aug 2024 433rd lynn 904 28 33ms 12 Apr 2021 433rd HPWiz 🇳🇿 904 28 34ms 17 Apr 2021 433rd ovs-code 🇩🇪 904 28 32ms 6 Feb 2024 436th Steffan153 🇫🇮 904 53 6ms 23 Mar 2026 437th canissimia 🇦🇶 904 179 1ms 11 Sep 2021 438th MeWhenI 🇻🇦 903 28 2ms 25 Mar 2025 439th tjtnorton 902 47 18ms 28 Mar 2019 439th daedals 902 47 22ms 21 Apr 2019 439th handisb 902 47 21ms 5 Sep 2019 439th andersk 🇺🇸 902 47 17ms 20 Mar 2020 439th Attero 🇸🇪 902 47 11ms 9 May 2020 439th neihousaigaai 902 47 17ms 8 May 2021 439th Waffle3z 902 47 18ms 14 Jul 2021 439th janbehrens 🇩🇪 902 47 18ms 21 Oct 2021 439th annaproxy 902 47 21ms 13 Dec 2021 439th pxeger 🇬🇧 902 47 18ms 16 Feb 2022 439th sisyphus-ppcg 🇦🇺 902 47 16ms 19 Feb 2022 439th shellbertt 🇨🇦 902 47 18ms 2 May 2022 439th mrnomm 902 47 18ms 24 Aug 2022 439th jumelet 🇳🇱 902 47 18ms 23 Dec 2022 439th thatbirdguythatuknownot 902 47 28ms 3 Jan 2023 439th MichalMarsalek 🇨🇿 902 47 11ms 23 Feb 2023 439th AlexanderFair 902 47 19ms 15 Jun 2023 439th inventshah 902 47 22ms 18 Jul 2023 439th ListeriaM 902 47 22ms 24 Aug 2023 439th bizy-coder 902 47 17ms 2 Feb 2024 439th BREMAUCY 🇫🇷 902 47 23ms 25 Mar 2024 439th Bulmenisaurus 902 47 21ms 4 Aug 2024 439th voytxt 🇨🇿 902 47 17ms 20 Sep 2024 439th dokutan 902 47 10ms 25 Sep 2024 439th lifthrasiir 🇰🇷 902 47 18ms 20 Nov 2024 439th jipsong 🇩🇪 902 47 10ms 1 Apr 2025 439th KasperKivimaeki 🇫🇮 902 47 19ms 14 May 2025 439th keelimeguy 🇺🇸 902 47 21ms 16 May 2025 439th Flekay 🇩🇪 902 47 18ms 9 Aug 2025 439th janlelis 902 47 17ms 14 Aug 2025 439th snoozingnewt 🇨🇦 902 47 17ms 26 Sep 2025 439th Emutis 🇱🇹 902 47 22ms 25 Oct 2025 439th CommandLeo 🇮🇹 902 47 18ms 30 Nov 2025 439th Lv0Sys 🇵🇱 902 47 17ms 2 Dec 2025 439th aksyristos 902 47 17ms 27 days ago 439th scpchicken 🇵🇼 902 47 17ms 15 days ago 439th vang1ong7ang 🇦🇶 902 47 17ms 3 days ago 476th xsot 🇸🇬 902 48 5ms 13 Apr 2024 476th sean-niemann 🇺🇸 902 48 4ms 16 Jul 2024 478th Shanethegamer 🇺🇸 902 61 41ms 13 Feb 2025 478th edsrzf 🇳🇿 902 61 41ms 19 Aug 2025 478th Steffan153 🇫🇮 902 61 40ms 12 Feb 2026 478th kg583 🇺🇸 902 61 42ms 3 days ago 482nd stefangimmillaro 901 43 42ms 10 days ago 483rd nwellnhof 🇩🇪 901 57 1ms 11 Feb 2020 483rd primo-ppcg 🇹🇭 901 57 1ms 22 Aug 2020 483rd Irratix 🇳🇱 901 57 1ms 13 Jun 2022 483rd madex 🇩🇪 901 57 2ms 12 Nov 2022 483rd inventshah 901 57 2ms 26 Jan 2023 483rd xsot 🇸🇬 901 57 1ms 16 Apr 2023 483rd JohandeRuiter 🇳🇱 901 57 2ms 25 Oct 2023 483rd dokutan 901 57 2ms 25 Sep 2024 483rd FlyingPenguin223 901 57 1ms 10 Feb 2025 483rd kdx2a 901 57 1ms 11 Feb 2025 483rd Mukundan314 901 57 2ms 26 Apr 2025 483rd fuzzylojik-golf 🇺🇸 901 57 1ms 28 Jun 2025 483rd Yax42 🇫🇷 901 57 2ms 15 Oct 2025 483rd 09cf 901 57 2ms 25 Nov 2025 497th arjanadriaanse 🇳🇱 900 52 121ms 1 Jan 2022 498th sean-niemann 🇺🇸 899 38 80ms 14 Sep 2023 498th blaztoma 🇱🇹 899 38 78ms 2 Nov 2025 500th retrohun 899 46 1ms 16 Jun 2024 First Prev 401–500 of 4,920 Next Last