Happy Numbers 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 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL ArkScript 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 ><> 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 ALGOL 68 APL ArkScript 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 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 633rd dokutan 889 147 9ms 26 Oct 2023 633rd Yewzir 🇧🇪 889 147 10ms 12 Mar 2024 633rd HumanoidCPU 889 147 10ms 13 May 2024 633rd pardouin 🇫🇷 889 147 9ms 20 Aug 2024 633rd KatieLG 🇬🇧 889 147 10ms 26 Sep 2024 633rd emgordon154 889 147 9ms 4 Dec 2024 633rd CaedenHarper 🇨🇦 889 147 9ms 24 Jan 2025 633rd rucin93 🇵🇱 889 147 10ms 23 Apr 2025 633rd albanian-laundromat 889 147 10ms 20 Jul 2025 633rd Babafaba 889 147 10ms 24 Oct 2025 633rd GolfingSuccess 🇬🇷 889 147 10ms 8 Nov 2025 633rd snoozingnewt 🇨🇦 889 147 10ms 5 Dec 2025 653rd ovs-code 🇩🇪 887 87 502ms 29 Jul 2024 654th MeWhenI 🇻🇦 886 76 37ms 16 May 2023 655th lynn 886 93 27ms 12 Jul 2023 656th MeWhenI 🇻🇦 885 52 66ms 2 Nov 2023 656th Yewzir 🇧🇪 885 52 67ms 7 Mar 2024 656th edsrzf 🇳🇿 885 52 63ms 17 Jan 2025 656th fuzzylojik-golf 🇺🇸 885 52 60ms 17 Sep 2025 660th Shanethegamer 🇺🇸 885 83 404ms 12 May 2023 660th janbehrens 🇩🇪 885 83 373ms 26 Nov 2023 660th Yewzir 🇧🇪 885 83 413ms 11 Feb 2024 660th snoozingnewt 🇨🇦 885 83 376ms 29 Nov 2025 664th KasperKivimaeki 🇫🇮 885 115 287ms 2 Oct 2025 665th Steffan153 🇫🇮 884 78 1ms 29 Oct 2023 666th MeWhenI 🇻🇦 883 75 2ms 12 Sep 2022 666th sean-niemann 🇺🇸 883 75 2ms 8 Oct 2024 668th jared-hughes 883 76 1ms 6 Mar 2022 668th Steffan153 🇫🇮 883 76 1ms 25 Feb 2023 670th marcin7Cd 883 77 136ms 11 Mar 2020 670th fuzzylojik-golf 🇺🇸 883 77 143ms 15 Sep 2025 672nd marcin7Cd 883 148 10ms 12 Oct 2020 672nd Attero 🇸🇪 883 148 9ms 12 Oct 2020 672nd sisyphus-ppcg 🇦🇺 883 148 10ms 30 May 2021 672nd lynn 883 148 10ms 1 Jun 2021 672nd SirBogman 🇺🇸 883 148 10ms 28 Nov 2021 672nd ovs-code 🇩🇪 883 148 10ms 22 Apr 2022 672nd scpchicken 🇵🇼 883 148 10ms 4 Feb 2023 679th pardouin 🇫🇷 882 63 795ms 29 Aug 2025 680th prplz 🇦🇺 882 68 11ms 12 Oct 2021 680th NewDefectus 🇮🇱 882 68 14ms 16 Dec 2021 680th KrausRaus 🇺🇸 882 68 10ms 6 Jan 2026 683rd emplv 🇱🇻 882 93 25ms 29 Jun 2022 684th m-tkach 🇺🇦 882 98 59ms 9 Mar 2023 684th annaproxy 882 98 57ms 22 Oct 2023 684th Yewzir 🇧🇪 882 98 61ms 30 Dec 2023 687th JayXon 🇺🇸 882 143 1,685ms 15 Sep 2025 688th Attero 🇸🇪 881 81 2ms 4 May 2020 688th c0d3-4-F00d 🇩🇪 881 81 2ms 5 Jan 2022 688th snoozingnewt 🇨🇦 881 81 2ms 13 Sep 2025 688th AZTECCO 881 81 2ms 16 Sep 2025 688th Yax42 🇫🇷 881 81 2ms 14 Oct 2025 693rd benwilliamgraham 880 69 10ms 26 Jan 2019 693rd OllieBoyne 🇬🇧 880 69 10ms 16 Jan 2021 693rd eiburns 880 69 10ms 20 Jan 2022 693rd vishwathg 880 69 9ms 16 Aug 2022 693rd emirps 880 69 9ms 22 Feb 2023 693rd Vaekor 880 69 9ms 9 Jul 2023 693rd AVDestroyer 880 69 10ms 4 Sep 2023 693rd m42km 880 69 9ms 7 Oct 2023 693rd elgan65536 🇺🇸 880 69 9ms 4 Apr 2024 702nd Yewzir 🇧🇪 880 79 108ms 6 Dec 2023 703rd primo-ppcg 🇹🇭 878 50 31ms 11 Oct 2020 703rd o0lit3 🇺🇸 878 50 10ms 19 Apr 2021 703rd armin-k1 878 50 8ms 8 Sep 2021 703rd nwellnhof 🇩🇪 878 50 14ms 26 Dec 2021 703rd Lydxn 🇨🇦 878 50 32ms 25 May 2022 703rd saito-ta 🇯🇵 878 50 17ms 27 May 2022 709th snoozingnewt 🇨🇦 878 95 431ms 29 Nov 2025 710th primo-ppcg 🇹🇭 878 116 302ms 21 Apr 2020 710th kkoenig 878 116 297ms 5 Jan 2024 712th sean-niemann 🇺🇸 877 88 467ms 6 Aug 2024 713th KatieLG-Transpiler 🇬🇧 877 149 10ms 24 Jun 2022 714th primo-ppcg 🇹🇭 875 53 277ms 19 Oct 2020 714th MeWhenI 🇻🇦 875 53 257ms 15 Feb 2023 716th hemphen 875 84 425ms 28 Aug 2022 717th alo-gin 874 54 33ms 19 Oct 2018 717th hrrs01 874 54 123ms 14 Apr 2020 717th jared-hughes 874 54 35ms 9 Sep 2022 717th ovs-code 🇩🇪 874 54 45ms 9 May 2023 First Prev 641–720 of 3,177 Next Last