Happy Numbers (Long) in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 526th MeWhenI 🇻🇦 847 96 121ms 15 Nov 2022 527th Steffan153 🇫🇮 846 99 14ms 12 Dec 2023 528th stefangimmillaro 846 111 351ms 6 Oct 2025 529th MeWhenI 🇻🇦 846 163 874ms 28 Mar 2025 530th Yewzir 🇧🇪 845 118 125ms 5 Feb 2024 531st rak1507 🇬🇧 844 36 37ms 20 Sep 2021 532nd Steffan153 🇫🇮 844 89 19ms 3 Feb 2023 532nd sisyphus-ppcg 🇦🇺 844 89 19ms 4 Feb 2023 534th albanian-laundromat 843 73 729ms 23 Sep 2025 535th itsjustfreekie 843 83 301ms 20 Sep 2021 535th neihousaigaai 843 83 21ms 3 Jan 2022 535th cesarm4 843 83 202ms 16 Apr 2022 535th nstearns96 🇬🇧 843 83 280ms 27 Jan 2023 535th randolchance 843 83 39ms 16 Feb 2023 535th galloj 🇨🇿 843 83 3,173ms 5 Mar 2023 535th yzhs 🇩🇪 843 83 225ms 23 Jun 2023 535th Yewzir 🇧🇪 843 83 275ms 8 Oct 2023 535th m42km 843 83 356ms 12 Oct 2023 544th emplv 🇱🇻 842 78 38ms 19 Apr 2024 545th pardouin 🇫🇷 842 83 3ms 8 Oct 2024 545th LostSyntax21 🇬🇧 842 83 3ms 8 Jan 2025 547th ovs-code 🇩🇪 841 190 18ms 9 Jul 2024 548th Waffle3z 840 91 3ms 19 Sep 2021 548th primo-ppcg 🇹🇭 840 91 2ms 23 Sep 2021 548th JayXon 🇺🇸 840 91 3ms 3 Oct 2021 548th Lydxn 🇨🇦 840 91 3ms 9 Apr 2022 548th btnlq 840 91 3ms 27 Dec 2022 548th FlyingPenguin223 840 91 2ms 29 Oct 2024 554th Shanethegamer 🇺🇸 840 95 117ms 14 Oct 2022 554th emplv 🇱🇻 840 95 111ms 28 Oct 2022 554th Yewzir 🇧🇪 840 95 108ms 28 Mar 2024 557th Shanethegamer 🇺🇸 839 31 5ms 13 Jan 2022 558th anter69 🇭🇺 839 57 38ms 30 Sep 2021 559th ovs-code 🇩🇪 839 69 166ms 3 Aug 2024 560th DialFrost 🇸🇬 839 112 477ms 26 Sep 2025 561st Irratix 🇳🇱 838 112 54ms 3 Jan 2022 562nd lynn 838 119 152ms 10 Mar 2022 562nd ovs-code 🇩🇪 838 119 131ms 23 Jun 2023 562nd mousetail 🇳🇱 838 119 139ms 15 Jan 2024 562nd kumavale 838 119 131ms 13 Sep 2025 566th ovs-code 🇩🇪 838 181 2,005ms 14 Sep 2025 566th jared-hughes 838 181 1,998ms 16 Sep 2025 568th SirBogman 🇺🇸 837 80 524ms 15 Jan 2024 568th Shanethegamer 🇺🇸 837 80 579ms 16 Jan 2024 568th snoozingnewt 🇺🇸 837 80 911ms 28 Sep 2025 571st edsrzf 🇳🇿 837 100 21ms 5 Jan 2025 572nd Shanethegamer 🇺🇸 837 102 1,336ms 20 Mar 2023 573rd Yewzir 🇧🇪 836 88 3ms 21 Jan 2024 573rd rucin93 🇵🇱 836 88 3ms 22 Apr 2025 575th Shanethegamer 🇺🇸 836 95 376ms 16 Dec 2022 576th Bonjour27891 🇻🇳 833 84 86ms 9 Feb 2022 576th RDShah 833 84 404ms 11 May 2022 576th fredrik-bakke 🇳🇴 833 84 351ms 2 Oct 2022 576th jakobkordez 🇸🇮 833 84 24ms 30 Oct 2022 576th thehylian 833 84 23ms 2 Jan 2023 576th badboj40 833 84 313ms 12 Feb 2023 576th firegene 🇮🇪 833 84 21ms 22 Dec 2023 576th moustave 833 84 180ms 26 Nov 2024 576th dokutan 833 84 238ms 24 Dec 2024 576th blaztoma 🇱🇹 833 84 300ms 29 Sep 2025 586th stackofbears 833 99 460ms 21 Mar 2022 587th albanian-laundromat 833 105 45ms 7 Sep 2025 588th prplz 🇦🇺 831 103 126ms 18 Dec 2021 588th dokutan 831 103 81ms 4 hours ago 590th MeWhenI 🇻🇦 831 113 57ms 29 Nov 2022 590th kmathis22 831 113 484ms 23 days ago 592nd Shanethegamer 🇺🇸 831 120 121ms 13 Jan 2022 592nd MeWhenI 🇻🇦 831 120 130ms 9 May 2023 592nd emgordon154 831 120 123ms 14 Mar 2025 595th ovs-code 🇩🇪 831 166 836ms 29 Mar 2025 595th emgordon154 831 166 822ms 21 May 2025 597th inventshah 829 60 1,055ms 29 Sep 2023 597th emgordon154 829 60 821ms 18 Nov 2024 599th m42km 827 81 659ms 4 Feb 2024 599th Babafaba 827 81 561ms 3 days ago First Prev 526–600 of 1,984 Next Last