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 636th janbehrens 🇩🇪 889 147 9ms 2 Aug 2023 636th GrayJoKing 🇦🇺 889 147 10ms 11 Aug 2023 636th BREMAUCY 🇫🇷 889 147 10ms 7 Sep 2023 636th dokutan 889 147 9ms 26 Oct 2023 636th Yewzir 🇧🇪 889 147 10ms 12 Mar 2024 636th HumanoidCPU 889 147 10ms 13 May 2024 636th pardouin 🇫🇷 889 147 9ms 20 Aug 2024 636th KatieLG 🇬🇧 889 147 10ms 26 Sep 2024 636th emgordon154 889 147 9ms 4 Dec 2024 636th CaedenHarper 🇨🇦 889 147 9ms 24 Jan 2025 636th rucin93 🇵🇱 889 147 10ms 23 Apr 2025 636th albanian-laundromat 889 147 10ms 20 Jul 2025 636th Babafaba 889 147 10ms 24 Oct 2025 636th GolfingSuccess 🇬🇷 889 147 10ms 8 Nov 2025 636th snoozingnewt 🇨🇦 889 147 10ms 5 Dec 2025 656th ovs-code 🇩🇪 887 87 488ms 29 Jul 2024 657th MeWhenI 🇻🇦 886 76 37ms 16 May 2023 658th lynn 886 93 27ms 12 Jul 2023 659th MeWhenI 🇻🇦 885 52 66ms 2 Nov 2023 659th Yewzir 🇧🇪 885 52 67ms 7 Mar 2024 659th edsrzf 🇳🇿 885 52 63ms 17 Jan 2025 659th fuzzylojik-golf 🇺🇸 885 52 60ms 17 Sep 2025 663rd Shanethegamer 🇺🇸 885 83 378ms 12 May 2023 663rd janbehrens 🇩🇪 885 83 367ms 26 Nov 2023 663rd Yewzir 🇧🇪 885 83 407ms 11 Feb 2024 663rd snoozingnewt 🇨🇦 885 83 376ms 29 Nov 2025 667th KasperKivimaeki 🇫🇮 885 115 287ms 2 Oct 2025 668th Steffan153 🇫🇮 884 78 1ms 29 Oct 2023 669th emplv 🇱🇻 884 93 25ms 29 Jun 2022 670th pardouin 🇫🇷 883 63 795ms 29 Aug 2025 671st MeWhenI 🇻🇦 883 75 2ms 12 Sep 2022 671st sean-niemann 🇺🇸 883 75 2ms 8 Oct 2024 673rd jared-hughes 883 76 1ms 6 Mar 2022 673rd Steffan153 🇫🇮 883 76 1ms 25 Feb 2023 675th marcin7Cd 883 77 136ms 11 Mar 2020 675th fuzzylojik-golf 🇺🇸 883 77 139ms 15 Sep 2025 677th marcin7Cd 883 148 10ms 12 Oct 2020 677th Attero 🇸🇪 883 148 9ms 12 Oct 2020 677th sisyphus-ppcg 🇦🇺 883 148 10ms 30 May 2021 677th lynn 883 148 10ms 1 Jun 2021 677th SirBogman 🇺🇸 883 148 10ms 28 Nov 2021 677th ovs-code 🇩🇪 883 148 10ms 22 Apr 2022 677th scpchicken 🇵🇼 883 148 10ms 4 Feb 2023 684th prplz 🇦🇺 882 68 14ms 12 Oct 2021 684th NewDefectus 🇮🇱 882 68 11ms 16 Dec 2021 684th KrausRaus 🇺🇸 882 68 11ms 6 Jan 2026 687th m-tkach 🇺🇦 882 98 55ms 9 Mar 2023 687th annaproxy 882 98 56ms 22 Oct 2023 687th Yewzir 🇧🇪 882 98 57ms 30 Dec 2023 690th JayXon 🇺🇸 882 143 1,685ms 15 Sep 2025 691st Attero 🇸🇪 881 81 2ms 4 May 2020 691st c0d3-4-F00d 🇩🇪 881 81 2ms 5 Jan 2022 691st snoozingnewt 🇨🇦 881 81 2ms 13 Sep 2025 691st AZTECCO 881 81 2ms 16 Sep 2025 691st Yax42 🇫🇷 881 81 1ms 14 Oct 2025 696th benwilliamgraham 880 69 10ms 26 Jan 2019 696th OllieBoyne 🇬🇧 880 69 9ms 16 Jan 2021 696th eiburns 880 69 10ms 20 Jan 2022 696th vishwathg 880 69 9ms 16 Aug 2022 696th emirps 880 69 9ms 22 Feb 2023 696th Vaekor 880 69 9ms 9 Jul 2023 696th AVDestroyer 880 69 10ms 4 Sep 2023 696th m42km 880 69 9ms 7 Oct 2023 696th elgan65536 🇺🇸 880 69 9ms 4 Apr 2024 705th Yewzir 🇧🇪 880 79 112ms 6 Dec 2023 706th primo-ppcg 🇹🇭 878 50 31ms 11 Oct 2020 706th o0lit3 🇺🇸 878 50 10ms 19 Apr 2021 706th armin-k1 878 50 8ms 8 Sep 2021 706th nwellnhof 🇩🇪 878 50 14ms 26 Dec 2021 706th Lydxn 🇨🇦 878 50 32ms 25 May 2022 706th saito-ta 🇯🇵 878 50 17ms 27 May 2022 712th snoozingnewt 🇨🇦 878 95 431ms 29 Nov 2025 713th primo-ppcg 🇹🇭 878 116 302ms 21 Apr 2020 713th kkoenig 878 116 297ms 5 Jan 2024 715th sean-niemann 🇺🇸 877 88 435ms 6 Aug 2024 716th KatieLG-Transpiler 🇬🇧 877 149 10ms 24 Jun 2022 717th primo-ppcg 🇹🇭 875 53 273ms 19 Oct 2020 717th MeWhenI 🇻🇦 875 53 256ms 15 Feb 2023 719th hemphen 875 84 425ms 28 Aug 2022 720th alo-gin 874 54 33ms 19 Oct 2018 First Prev 641–720 of 3,180 Next Last