Happy Numbers 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 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 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 589th KatieLG 🇬🇧 888 147 11ms 26 Sep 2024 589th emgordon154 888 147 11ms 4 Dec 2024 589th CaedenHarper 🇨🇦 888 147 11ms 24 Jan 2025 589th rucin93 🇵🇱 888 147 11ms 23 Apr 2025 589th albanian-laundromat 888 147 11ms 20 Jul 2025 589th Babafaba 888 147 11ms 11 days ago 607th ovs-code 🇩🇪 887 87 495ms 29 Jul 2024 608th MeWhenI 🇻🇦 886 76 45ms 16 May 2023 609th MeWhenI 🇻🇦 885 52 69ms 2 Nov 2023 609th Yewzir 🇧🇪 885 52 81ms 7 Mar 2024 609th edsrzf 🇳🇿 885 52 74ms 17 Jan 2025 609th fuzzylojik-golf 🇺🇸 885 52 74ms 17 Sep 2025 613th Shanethegamer 🇺🇸 885 83 366ms 12 May 2023 613th janbehrens 🇩🇪 885 83 298ms 26 Nov 2023 613th Yewzir 🇧🇪 885 83 394ms 11 Feb 2024 616th lynn 885 93 29ms 12 Jul 2023 617th jared-hughes 884 76 1ms 6 Mar 2022 617th Steffan153 🇫🇮 884 76 3ms 25 Feb 2023 619th KasperKivimaeki 🇫🇮 884 115 320ms 2 Oct 2025 620th MeWhenI 🇻🇦 883 75 2ms 12 Sep 2022 620th sean-niemann 🇺🇸 883 75 3ms 8 Oct 2024 622nd marcin7Cd 883 77 172ms 11 Mar 2020 622nd fuzzylojik-golf 🇺🇸 883 77 153ms 15 Sep 2025 624th pardouin 🇫🇷 882 63 1,025ms 29 Aug 2025 625th prplz 🇦🇺 882 68 10ms 12 Oct 2021 625th NewDefectus 🇮🇱 882 68 9ms 16 Dec 2021 627th emplv 🇱🇻 882 93 26ms 29 Jun 2022 628th marcin7Cd 882 148 10ms 12 Oct 2020 628th Attero 🇸🇪 882 148 10ms 12 Oct 2020 628th GolfingSuccess 🇬🇷 882 148 10ms 1 May 2021 628th sisyphus-ppcg 🇦🇺 882 148 13ms 30 May 2021 628th lynn 882 148 12ms 1 Jun 2021 628th SirBogman 🇺🇸 882 148 12ms 28 Nov 2021 628th ovs-code 🇩🇪 882 148 11ms 22 Apr 2022 628th scpchicken 🇵🇼 882 148 11ms 4 Feb 2023 636th Attero 🇸🇪 881 81 2ms 4 May 2020 636th c0d3-4-F00d 🇩🇪 881 81 2ms 5 Jan 2022 636th snoozingnewt 🇺🇸 881 81 2ms 13 Sep 2025 636th AZTECCO 881 81 2ms 16 Sep 2025 636th Yax42 🇫🇷 881 81 2ms 21 days ago 641st m-tkach 🇺🇦 881 98 65ms 9 Mar 2023 641st annaproxy 881 98 71ms 22 Oct 2023 641st Yewzir 🇧🇪 881 98 61ms 30 Dec 2023 644th benwilliamgraham 880 69 10ms 26 Jan 2019 644th OllieBoyne 🇬🇧 880 69 10ms 16 Jan 2021 644th eiburns 880 69 10ms 20 Jan 2022 644th vishwathg 880 69 14ms 16 Aug 2022 644th emirps 880 69 11ms 22 Feb 2023 644th Vaekor 880 69 10ms 9 Jul 2023 644th AVDestroyer 880 69 10ms 4 Sep 2023 644th m42km 880 69 8ms 7 Oct 2023 644th elgan65536 880 69 12ms 4 Apr 2024 653rd Yewzir 🇧🇪 880 79 109ms 6 Dec 2023 654th edsrzf 🇳🇿 879 96 40ms 30 Dec 2024 655th primo-ppcg 🇹🇭 878 50 39ms 11 Oct 2020 655th o0lit3 🇺🇸 878 50 11ms 19 Apr 2021 655th armin-k1 878 50 9ms 8 Sep 2021 655th nwellnhof 🇩🇪 878 50 18ms 26 Dec 2021 655th Lydxn 🇨🇦 878 50 40ms 25 May 2022 655th saito-ta 🇯🇵 878 50 20ms 27 May 2022 661st sean-niemann 🇺🇸 877 88 384ms 6 Aug 2024 662nd primo-ppcg 🇹🇭 877 116 293ms 21 Apr 2020 662nd kkoenig 877 116 249ms 5 Jan 2024 664th KatieLG-Transpiler 🇬🇧 876 149 10ms 24 Jun 2022 665th JayXon 🇺🇸 875 143 1,770ms 15 Sep 2025 666th primo-ppcg 🇹🇭 874 53 262ms 19 Oct 2020 666th MeWhenI 🇻🇦 874 53 261ms 15 Feb 2023 668th alo-gin 874 54 44ms 19 Oct 2018 668th hrrs01 874 54 110ms 14 Apr 2020 668th jared-hughes 874 54 33ms 9 Sep 2022 668th ovs-code 🇩🇪 874 54 68ms 9 May 2023 672nd hemphen 874 84 363ms 28 Aug 2022 673rd primo-ppcg 🇹🇭 873 77 1ms 13 Jul 2021 674th nwellnhof 🇩🇪 872 99 62ms 3 Jan 2022 674th Alex-x90 🇺🇸 872 99 53ms 20 Sep 2022 First Prev 601–675 of 3,080 Next Last