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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 751st GrayJoKing 🇦🇺 865 61 401ms 15 Jan 2024 751st namelessiw 865 61 337ms 5 Mar 2024 751st neel11235813 865 61 392ms 10 Mar 2024 751st duckyluuk 🇳🇱 865 61 476ms 14 Jul 2024 751st b-illy 🇬🇧 865 61 398ms 14 Sep 2024 751st DialFrost 🇸🇬 865 61 426ms 26 Dec 2024 751st fuzzylojik-golf 🇺🇸 865 61 402ms 30 May 2025 751st CornerMercury 🇬🇧 865 61 437ms 12 Oct 2025 751st snoozingnewt 🇺🇸 865 61 312ms 2 days ago 760th jared-hughes 864 100 49ms 20 Jul 2022 761st emgordon154 863 30 49ms 10 Sep 2025 762nd annaproxy 863 46 3ms 18 Feb 2022 763rd MeWhenI 🇻🇦 863 98 43ms 28 Aug 2024 764th MeWhenI 🇻🇦 861 78 2ms 27 Dec 2022 765th treeowl 861 79 172ms 27 Feb 2019 765th user189032 861 79 184ms 29 May 2019 765th cbrt-x 861 79 165ms 15 Sep 2023 768th emgordon154 860 58 800ms 22 Dec 2021 769th m-tkach 🇺🇦 860 77 3ms 5 Dec 2023 770th DaCuteRaccoon 859 65 3ms 30 Nov 2022 770th snoozingnewt 🇺🇸 859 65 4ms 1 Sep 2024 770th LostSyntax21 🇬🇧 859 65 2ms 8 Jan 2025 773rd gilufin 858 55 212ms 30 May 2021 773rd Natanaelel 🇸🇪 858 55 38ms 10 May 2023 775th GrayJoKing 🇦🇺 857 70 10ms 20 Sep 2021 775th 0x24a537r9 857 70 12ms 10 Sep 2022 777th stefangimmillaro 856 66 117ms 15 Jul 2023 778th JDiLenarda 🇫🇷 856 71 1,171ms 9 Oct 2020 779th ovs-code 🇩🇪 855 44 143ms 31 Dec 2023 780th clockworknazo 855 82 4ms 13 Oct 2022 780th ovs-code 🇩🇪 855 82 5ms 7 Feb 2023 780th Lydxn 🇨🇦 855 82 5ms 28 Feb 2023 783rd MeWhenI 🇻🇦 855 101 53ms 8 May 2022 783rd janbehrens 🇩🇪 855 101 51ms 26 Nov 2023 785th MeWhenI 🇻🇦 854 71 2,743ms 24 Oct 2024 785th sean-niemann 🇺🇸 854 71 2,794ms 30 Oct 2024 785th jkelly467 854 71 1,958ms 27 days ago 788th MeWhenI 🇻🇦 854 75 40ms 20 Jun 2022 788th sean-niemann 🇺🇸 854 75 42ms 19 Nov 2024 790th ScottHamper 854 86 301ms 21 Nov 2021 791st ovs-code 🇩🇪 851 62 412ms 2 Mar 2024 791st CaedenHarper 🇨🇦 851 62 408ms 1 Feb 2025 793rd DialFrost 🇸🇬 851 79 2ms 26 Dec 2024 794th RussellEmerine 850 80 155ms 30 Nov 2019 794th iczelia 🇩🇪 850 80 173ms 20 Oct 2025 796th Yewzir 🇧🇪 850 98 342ms 2 Oct 2025 797th btnlq 849 68 3ms 16 Jul 2023 797th ovs-code 🇩🇪 849 68 136ms 3 Aug 2024 799th DialFrost 🇸🇬 849 78 2ms 26 Dec 2024 800th NewDefectus 🇮🇱 849 84 2ms 16 Dec 2021 801st prplz 🇦🇺 847 96 120ms 30 Apr 2022 801st elgan65536 847 96 122ms 11 Nov 2023 803rd dokutan 847 102 50ms 14 Apr 2024 804th lynn 845 59 888ms 25 May 2022 804th DialFrost 🇸🇬 845 59 907ms 26 Dec 2024 804th janlelis 845 59 884ms 14 Aug 2025 807th jared-hughes 845 71 9ms 29 Oct 2021 807th stefangimmillaro 845 71 9ms 27 Aug 2022 807th Maznek 845 71 9ms 19 Jun 2023 807th KrausRaus 🇺🇸 845 71 10ms 14 Oct 2025 807th snoozingnewt 🇺🇸 845 71 9ms 46 hours ago 812th Frowny 844 72 10ms 3 Jul 2020 812th lifthrasiir 🇰🇷 844 72 9ms 13 Nov 2024 814th primo-ppcg 🇹🇭 843 67 116ms 27 Mar 2021 814th Steffan153 🇫🇮 843 67 115ms 28 Jan 2023 814th edsrzf 🇳🇿 843 67 113ms 23 Jun 2025 814th snoozingnewt 🇺🇸 843 67 114ms 45 hours ago 818th snoozingnewt 🇺🇸 842 66 679ms 45 hours ago 819th villfa 842 75 13ms 30 Nov 2018 819th LostSyntax21 🇬🇧 842 75 13ms 8 Jan 2025 821st Jacob385 842 99 329ms 27 Oct 2025 822nd jslip 841 35 36ms 5 Sep 2018 822nd rak1507 🇬🇧 841 35 37ms 20 Sep 2021 824th ovs-code 🇩🇪 841 82 5ms 11 days ago 825th Steffan153 🇫🇮 841 99 2ms 28 Jan 2023 First Prev 751–825 of 3,126 Next Last