The Taxicab Numbers hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Collatz in all languages in bytes. 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 Bytes Time Submitted 487th zacjl 896 69 18ms 19 Sep 2024 487th starfihs 896 69 17ms 12 Oct 2024 487th kops-cg 896 69 24ms 9 Feb 2025 487th sean-niemann 🇺🇸 896 69 18ms 7 Mar 2025 487th plcc0 896 69 16ms 26 Mar 2025 487th yujh-yujh 🇬🇸 896 69 24ms 28 Mar 2025 487th moustave 896 69 17ms 10 Jun 2025 487th 4atj 896 69 3,516ms 30 Jun 2025 487th dirckvdende 896 69 17ms 11 Jul 2025 487th xnor-gate 896 69 17ms 19 Aug 2025 487th BrunoVisnadi 🇧🇷 896 69 23ms 1 Oct 2025 487th Mukundan314 896 69 18ms 13 Nov 2025 487th bizy-coder 896 69 16ms 21 Nov 2025 487th duckyluuk 🇳🇱 896 69 19ms 4 Dec 2025 487th bricknellj 896 69 17ms 4 Dec 2025 487th Seek64 🇩🇪 896 69 17ms 26 Dec 2025 487th CaedenHarper 🇨🇦 896 69 17ms 13 days ago 487th vang1ong7ang 896 69 16ms 2 days ago 519th JayXon 🇺🇸 896 74 2,567ms 3 days ago 520th error256 896 81 18ms 19 Mar 2026 521st MichalMarsalek 🇨🇿 896 87 443ms 5 May 2022 521st Kloppermand 🇩🇰 896 87 436ms 7 Oct 2022 521st bwat2 896 87 464ms 6 Apr 2023 521st bpharaldsson 896 87 397ms 9 Feb 2026 525th oeb25 895 93 129ms 16 May 2022 525th snobee 🇨🇦 895 93 130ms 8 Dec 2022 525th logvp 895 93 127ms 2 Jan 2024 525th smartiel 895 93 128ms 12 Aug 2024 525th trist224 🇫🇷 895 93 125ms 12 Aug 2024 525th nullie 895 93 134ms 19 Dec 2024 525th lolgeny 895 93 135ms 22 Feb 2025 532nd Shanethegamer 🇺🇸 894 61 4ms 31 Oct 2022 532nd MeWhenI 🇻🇦 894 61 4ms 4 Nov 2022 534th Yewzir 🇧🇪 894 72 134ms 20 Nov 2025 535th GolfingSuccess 🇬🇷 894 95 61ms 5 May 2022 535th Alex-x90 🇺🇸 894 95 64ms 4 Dec 2022 535th Mandrzejy 🇵🇱 894 95 59ms 22 Mar 2024 535th roupiq 🇵🇱 894 95 61ms 7 days ago 539th Steffan153 🇫🇮 893 52 7ms 31 Dec 2022 539th blaztoma 🇱🇹 893 52 8ms 18 Jan 2026 541st canissimia 🇦🇶 893 110 3,055ms 20 Feb 2023 542nd jared-hughes 893 130 22ms 15 Dec 2024 543rd KatieLG 🇬🇧 892 60 11ms 4 May 2022 543rd ScottHamper 892 60 13ms 5 May 2022 543rd Re-Adventures 🇮🇳 892 60 13ms 5 May 2022 543rd 0x24a537r9 892 60 13ms 29 Jul 2022 543rd stefangabos 🇷🇴 892 60 12ms 19 Aug 2022 543rd eranws 892 60 11ms 10 Sep 2022 543rd GeorgeStechman 🇬🇧 892 60 12ms 26 Sep 2022 543rd BloodStormKnight 892 60 15ms 15 Oct 2022 543rd dzshn 892 60 14ms 3 Dec 2022 543rd biocommando 🇫🇮 892 60 14ms 20 Dec 2022 543rd Betuaredead 892 60 12ms 5 Jan 2023 543rd piano-miles 892 60 10ms 16 Jan 2023 543rd Yewzir 🇧🇪 892 60 12ms 12 Feb 2023 543rd shellbertt 🇨🇦 892 60 12ms 26 Feb 2023 543rd zakariamouhid 892 60 12ms 20 May 2023 543rd raphaelimahorn 892 60 11ms 23 Aug 2023 543rd jbt 892 60 11ms 25 Dec 2023 543rd olleicua 🇺🇸 892 60 12ms 15 Feb 2024 543rd HumanoidCPU 892 60 14ms 3 May 2024 543rd dokutan 892 60 11ms 13 Aug 2024 543rd LostSyntax21 🇬🇧 892 60 12ms 10 Sep 2024 543rd xyangst 892 60 14ms 28 Sep 2024 543rd a6166231 🇨🇳 892 60 12ms 15 May 2025 543rd SebassNoob 892 60 14ms 5 Aug 2025 543rd levinwinter 892 60 14ms 22 Oct 2025 543rd Cube14yt 892 60 11ms 16 Nov 2025 543rd gigaprofisi 🇺🇸 892 60 10ms 17 Nov 2025 543rd amazingalek 🇳🇴 892 60 12ms 20 Dec 2025 543rd shandriy 892 60 12ms 23 Jan 2026 543rd spidunno 892 60 11ms 17 Feb 2026 573rd lynn 892 65 267ms 5 May 2022 573rd GrayJoKing 🇦🇺 892 65 250ms 5 May 2022 573rd Sakisan 🇧🇪 892 65 178ms 6 May 2022 573rd JayXon 🇺🇸 892 65 271ms 17 Oct 2022 573rd Steffan153 🇫🇮 892 65 181ms 12 Nov 2022 573rd tobeannouncd 892 65 302ms 25 Apr 2025 573rd sean-niemann 🇺🇸 892 65 168ms 9 Jun 2025 580th stefangimmillaro 892 71 95ms 2 Oct 2022 580th Steffan153 🇫🇮 892 71 106ms 23 Feb 2023 580th Shanethegamer 🇺🇸 892 71 101ms 16 May 2023 580th sean-niemann 🇺🇸 892 71 100ms 12 Jul 2024 584th frankgraziano 892 75 18ms 23 Feb 2026 585th snoozingnewt 🇨🇦 892 96 112ms 4 Dec 2025 585th Steffan153 🇫🇮 892 96 111ms 27 Feb 2026 587th Lydxn 🇨🇦 892 108 322ms 6 May 2022 587th CaedenHarper 🇨🇦 892 108 346ms 5 Oct 2025 589th primo-ppcg 🇹🇭 891 52 219ms 5 May 2022 589th dvargas46 🇺🇸 891 52 87ms 22 Dec 2022 591st GrayJoKing 🇦🇺 891 77 76ms 13 Sep 2024 592nd DialFrost 🇸🇬 891 95 30ms 10 Dec 2024 593rd canissimia 🇦🇶 891 204 16ms 25 Nov 2023 594th m-tkach 🇺🇦 890 112 116ms 22 Jun 2025 595th mousetail 🇳🇱 889 41 66ms 29 Aug 2025 596th MeWhenI 🇻🇦 889 53 42ms 1 Jun 2022 596th stefangimmillaro 889 53 44ms 2 Oct 2022 596th Haksell 🇦🇶 889 53 43ms 22 Feb 2023 599th ovs-code 🇩🇪 889 73 340ms 22 Jul 2023 600th Shanethegamer 🇺🇸 889 83 1,496ms 4 May 2022 First Prev 501–600 of 3,690 Next Last