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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 676th janbehrens 🇩🇪 871 134 26 Nov 2023 677th DialFrost 🇸🇬 871 148 12 Jan 2025 677th emgordon154 871 148 12 Jan 2025 677th Shanethegamer 🇺🇸 871 148 13 Jan 2025 677th KatieLG 🇬🇧 871 148 13 Jan 2025 677th HumanoidCPU 871 148 13 Jan 2025 677th dokutan 871 148 13 Jan 2025 677th GolfingSuccess 🇬🇷 871 148 18 Jan 2025 677th ovs-code 🇩🇪 871 148 24 Jan 2025 677th CaedenHarper 🇨🇦 871 148 25 Jan 2025 677th MeWhenI 🇻🇦 871 148 9 Feb 2025 677th pardouin 🇫🇷 871 148 25 Feb 2025 677th albanian-laundromat 871 148 25 Jul 2025 689th AdrienHache 🇫🇷 870 82 7 Jan 2024 689th snoozingnewt 🇺🇸 870 82 1 Sep 2024 689th pardouin 🇫🇷 870 82 8 Oct 2024 689th LostSyntax21 🇬🇧 870 82 8 Jan 2025 689th TeodorDyakov 🇧🇬 870 82 5 Mar 2025 694th primo-ppcg 🇹🇭 869 69 27 Nov 2019 694th jakzo 869 69 5 Sep 2021 694th Shanethegamer 🇺🇸 869 69 25 Apr 2023 697th msbranicky 869 117 8 Sep 2023 698th dcgjb 868 57 6 May 2024 699th ArmaanAS 868 70 8 Mar 2021 699th Hebelub 868 70 5 Jan 2024 699th Dataen 868 70 5 Jan 2024 699th dokutan 868 70 23 Jan 2024 703rd lynn 865 34 13 Apr 2021 703rd jared-hughes 865 34 30 Sep 2021 703rd Natanaelel 🇸🇪 865 34 28 Nov 2023 703rd primo-ppcg 🇹🇭 865 34 24 Mar 2025 703rd SirBogman 🇺🇸 865 34 8 Jul 2025 703rd fuzzylojik-golf 🇺🇸 865 34 3 days ago 709th DialFrost 🇸🇬 865 73 12 Oct 2023 710th ovs-code 🇩🇪 865 95 10 Jan 2023 711th Yewzir 🇧🇪 865 135 23 Apr 2023 712th MeWhenI 🇻🇦 864 61 23 May 2023 712th GrayJoKing 🇦🇺 864 61 15 Jan 2024 712th namelessiw 864 61 5 Mar 2024 712th neel11235813 864 61 10 Mar 2024 712th duckyluuk 🇳🇱 864 61 14 Jul 2024 712th b-illy 🇬🇧 864 61 14 Sep 2024 712th DialFrost 🇸🇬 864 61 26 Dec 2024 712th fuzzylojik-golf 🇺🇸 864 61 30 May 2025 720th duckyluuk 🇳🇱 864 70 26 Oct 2024 721st emgordon154 863 30 2 days ago 722nd annaproxy 863 46 18 Feb 2022 723rd Steffan153 🇫🇮 863 81 3 Feb 2023 723rd GrayJoKing 🇦🇺 863 81 12 Feb 2023 725th jared-hughes 862 100 20 Jul 2022 726th MeWhenI 🇻🇦 861 78 27 Dec 2022 727th treeowl 860 79 27 Feb 2019 727th user189032 860 79 29 May 2019 727th cbrt-x 860 79 15 Sep 2023 730th emgordon154 859 58 22 Dec 2021 731st m-tkach 🇺🇦 859 77 5 Dec 2023 732nd AZTECCO 859 83 6 hours ago 733rd gilufin 858 55 30 May 2021 733rd Natanaelel 🇸🇪 858 55 10 May 2023 735th Jacob385 858 136 21 Feb 2025 736th DaCuteRaccoon 857 65 30 Nov 2022 736th snoozingnewt 🇺🇸 857 65 1 Sep 2024 736th LostSyntax21 🇬🇧 857 65 8 Jan 2025 739th GrayJoKing 🇦🇺 857 70 20 Sep 2021 739th 0x24a537r9 857 70 10 Sep 2022 741st MeWhenI 🇻🇦 856 98 28 Aug 2024 742nd ovs-code 🇩🇪 855 44 31 Dec 2023 743rd stefangimmillaro 855 66 15 Jul 2023 744th JDiLenarda 🇫🇷 854 71 9 Oct 2020 745th MeWhenI 🇻🇦 854 101 8 May 2022 745th janbehrens 🇩🇪 854 101 26 Nov 2023 747th MeWhenI 🇻🇦 853 75 20 Jun 2022 747th sean-niemann 🇺🇸 853 75 19 Nov 2024 749th clockworknazo 853 82 13 Oct 2022 749th ovs-code 🇩🇪 853 82 7 Feb 2023 Prev 676–750 of 2,998 Next