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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 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 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab 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 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 Arturo Befunge BQN CJam CoffeeScript Egel 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 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 Arturo Befunge BQN CJam CoffeeScript Egel 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 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 748th duckyluuk 🇳🇱 865 61 476ms 14 Jul 2024 748th b-illy 🇬🇧 865 61 398ms 14 Sep 2024 748th DialFrost 🇸🇬 865 61 426ms 26 Dec 2024 748th fuzzylojik-golf 🇺🇸 865 61 402ms 30 May 2025 748th CornerMercury 🇬🇧 865 61 437ms 12 Oct 2025 748th snoozingnewt 🇺🇸 865 61 312ms 44 hours ago 757th jared-hughes 864 100 49ms 20 Jul 2022 758th emgordon154 863 30 49ms 10 Sep 2025 759th annaproxy 863 46 3ms 18 Feb 2022 760th MeWhenI 🇻🇦 863 98 43ms 28 Aug 2024 761st MeWhenI 🇻🇦 861 78 2ms 27 Dec 2022 762nd treeowl 861 79 172ms 27 Feb 2019 762nd user189032 861 79 184ms 29 May 2019 762nd cbrt-x 861 79 165ms 15 Sep 2023 765th emgordon154 860 58 800ms 22 Dec 2021 766th m-tkach 🇺🇦 860 77 3ms 5 Dec 2023 767th DaCuteRaccoon 859 65 3ms 30 Nov 2022 767th snoozingnewt 🇺🇸 859 65 4ms 1 Sep 2024 767th LostSyntax21 🇬🇧 859 65 2ms 8 Jan 2025 770th gilufin 858 55 212ms 30 May 2021 770th Natanaelel 🇸🇪 858 55 38ms 10 May 2023 772nd GrayJoKing 🇦🇺 857 70 10ms 20 Sep 2021 772nd 0x24a537r9 857 70 12ms 10 Sep 2022 774th stefangimmillaro 856 66 117ms 15 Jul 2023 775th JDiLenarda 🇫🇷 856 71 1,171ms 9 Oct 2020 776th ovs-code 🇩🇪 855 44 143ms 31 Dec 2023 777th clockworknazo 855 82 4ms 13 Oct 2022 777th ovs-code 🇩🇪 855 82 5ms 7 Feb 2023 777th Lydxn 🇨🇦 855 82 5ms 28 Feb 2023 780th MeWhenI 🇻🇦 855 101 53ms 8 May 2022 780th janbehrens 🇩🇪 855 101 51ms 26 Nov 2023 782nd MeWhenI 🇻🇦 854 71 2,743ms 24 Oct 2024 782nd sean-niemann 🇺🇸 854 71 2,794ms 30 Oct 2024 782nd jkelly467 854 71 1,958ms 26 days ago 785th MeWhenI 🇻🇦 854 75 40ms 20 Jun 2022 785th sean-niemann 🇺🇸 854 75 42ms 19 Nov 2024 787th ScottHamper 854 86 301ms 21 Nov 2021 788th ovs-code 🇩🇪 851 62 412ms 2 Mar 2024 788th CaedenHarper 🇨🇦 851 62 408ms 1 Feb 2025 790th DialFrost 🇸🇬 851 79 2ms 26 Dec 2024 791st RussellEmerine 850 80 155ms 30 Nov 2019 791st iczelia 🇩🇪 850 80 173ms 20 Oct 2025 793rd Yewzir 🇧🇪 850 98 342ms 2 Oct 2025 794th btnlq 849 68 3ms 16 Jul 2023 794th ovs-code 🇩🇪 849 68 136ms 3 Aug 2024 796th DialFrost 🇸🇬 849 78 2ms 26 Dec 2024 797th NewDefectus 🇮🇱 849 84 2ms 16 Dec 2021 798th prplz 🇦🇺 847 96 120ms 30 Apr 2022 798th elgan65536 847 96 122ms 11 Nov 2023 800th dokutan 847 102 50ms 14 Apr 2024 801st lynn 845 59 888ms 25 May 2022 801st DialFrost 🇸🇬 845 59 907ms 26 Dec 2024 801st janlelis 845 59 884ms 14 Aug 2025 804th jared-hughes 845 71 9ms 29 Oct 2021 804th stefangimmillaro 845 71 9ms 27 Aug 2022 804th Maznek 845 71 9ms 19 Jun 2023 804th KrausRaus 🇺🇸 845 71 10ms 14 Oct 2025 804th snoozingnewt 🇺🇸 845 71 9ms 37 hours ago 809th Frowny 844 72 10ms 3 Jul 2020 809th lifthrasiir 🇰🇷 844 72 9ms 13 Nov 2024 811th primo-ppcg 🇹🇭 843 67 116ms 27 Mar 2021 811th Steffan153 🇫🇮 843 67 115ms 28 Jan 2023 811th edsrzf 🇳🇿 843 67 113ms 23 Jun 2025 811th snoozingnewt 🇺🇸 843 67 114ms 36 hours ago 815th snoozingnewt 🇺🇸 842 66 679ms 37 hours ago 816th villfa 842 75 13ms 30 Nov 2018 816th LostSyntax21 🇬🇧 842 75 13ms 8 Jan 2025 818th Jacob385 842 99 329ms 27 Oct 2025 819th jslip 841 35 36ms 5 Sep 2018 819th rak1507 🇬🇧 841 35 37ms 20 Sep 2021 821st ovs-code 🇩🇪 841 82 5ms 11 days ago 822nd Steffan153 🇫🇮 841 99 2ms 28 Jan 2023 822nd pardouin 🇫🇷 841 99 1ms 21 Sep 2024 822nd sean-niemann 🇺🇸 841 99 1ms 9 May 2025 825th snoozingnewt 🇺🇸 840 80 2ms 37 hours ago First Prev 751–825 of 3,126 Next Last