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 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 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 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 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 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 Turtle Tutorial # Golfer Points Bytes Time Submitted 751st Steffan153 🇫🇮 866 81 2ms 3 Feb 2023 751st GrayJoKing 🇦🇺 866 81 2ms 12 Feb 2023 753rd ovs-code 🇩🇪 866 95 28ms 10 Jan 2023 754th GrayJoKing 🇦🇺 865 61 357ms 15 Jan 2024 754th namelessiw 865 61 348ms 5 Mar 2024 754th neel11235813 865 61 345ms 10 Mar 2024 754th duckyluuk 🇳🇱 865 61 342ms 14 Jul 2024 754th b-illy 🇬🇧 865 61 359ms 14 Sep 2024 754th DialFrost 🇸🇬 865 61 346ms 26 Dec 2024 754th fuzzylojik-golf 🇺🇸 865 61 353ms 30 May 2025 754th CornerMercury 🇬🇧 865 61 347ms 12 Oct 2025 754th snoozingnewt 🇨🇦 865 61 326ms 6 days ago 754th CaedenHarper 🇨🇦 865 61 321ms 75 mins ago 764th jared-hughes 864 100 54ms 20 Jul 2022 765th emgordon154 863 30 49ms 10 Sep 2025 766th annaproxy 863 46 3ms 18 Feb 2022 767th MeWhenI 🇻🇦 863 98 43ms 28 Aug 2024 768th MeWhenI 🇻🇦 861 78 1ms 27 Dec 2022 769th treeowl 861 79 172ms 27 Feb 2019 769th user189032 861 79 184ms 29 May 2019 769th cbrt-x 861 79 165ms 15 Sep 2023 772nd emgordon154 860 58 800ms 22 Dec 2021 773rd m-tkach 🇺🇦 860 77 3ms 5 Dec 2023 774th DaCuteRaccoon 859 65 3ms 30 Nov 2022 774th snoozingnewt 🇨🇦 859 65 4ms 1 Sep 2024 774th LostSyntax21 🇬🇧 859 65 2ms 8 Jan 2025 777th gilufin 858 55 212ms 30 May 2021 777th Natanaelel 🇸🇪 858 55 38ms 10 May 2023 779th GrayJoKing 🇦🇺 857 70 10ms 20 Sep 2021 779th 0x24a537r9 857 70 12ms 10 Sep 2022 781st stefangimmillaro 856 66 117ms 15 Jul 2023 782nd JDiLenarda 🇫🇷 856 71 1,171ms 9 Oct 2020 783rd ovs-code 🇩🇪 855 44 143ms 31 Dec 2023 784th clockworknazo 855 82 4ms 13 Oct 2022 784th ovs-code 🇩🇪 855 82 4ms 7 Feb 2023 784th Lydxn 🇨🇦 855 82 5ms 28 Feb 2023 787th MeWhenI 🇻🇦 855 101 53ms 8 May 2022 787th janbehrens 🇩🇪 855 101 54ms 26 Nov 2023 789th MeWhenI 🇻🇦 854 71 2,743ms 24 Oct 2024 789th sean-niemann 🇺🇸 854 71 2,794ms 30 Oct 2024 789th jkelly467 854 71 1,958ms 3 Nov 2025 792nd MeWhenI 🇻🇦 854 75 40ms 20 Jun 2022 792nd sean-niemann 🇺🇸 854 75 42ms 19 Nov 2024 794th ScottHamper 854 86 301ms 21 Nov 2021 795th ovs-code 🇩🇪 851 62 352ms 2 Mar 2024 796th DialFrost 🇸🇬 851 79 1ms 26 Dec 2024 797th RussellEmerine 850 80 155ms 30 Nov 2019 797th iczelia 🇩🇪 850 80 173ms 20 Oct 2025 799th NewDefectus 🇮🇱 850 84 2ms 16 Dec 2021 800th Yewzir 🇧🇪 850 98 342ms 2 Oct 2025 801st btnlq 849 68 3ms 16 Jul 2023 801st ovs-code 🇩🇪 849 68 136ms 3 Aug 2024 803rd DialFrost 🇸🇬 849 78 2ms 26 Dec 2024 804th prplz 🇦🇺 847 96 120ms 30 Apr 2022 804th elgan65536 847 96 122ms 11 Nov 2023 806th dokutan 847 102 53ms 14 Apr 2024 807th lynn 845 59 888ms 25 May 2022 807th DialFrost 🇸🇬 845 59 907ms 26 Dec 2024 807th janlelis 845 59 884ms 14 Aug 2025 810th jared-hughes 845 71 9ms 29 Oct 2021 810th stefangimmillaro 845 71 9ms 27 Aug 2022 810th Maznek 845 71 9ms 19 Jun 2023 810th KrausRaus 🇺🇸 845 71 10ms 14 Oct 2025 810th snoozingnewt 🇨🇦 845 71 9ms 5 days ago 815th Frowny 844 72 10ms 3 Jul 2020 815th lifthrasiir 🇰🇷 844 72 9ms 13 Nov 2024 817th primo-ppcg 🇹🇭 843 67 116ms 27 Mar 2021 817th Steffan153 🇫🇮 843 67 115ms 28 Jan 2023 817th edsrzf 🇳🇿 843 67 113ms 23 Jun 2025 817th snoozingnewt 🇨🇦 843 67 114ms 5 days ago 821st snoozingnewt 🇨🇦 842 66 679ms 5 days ago 822nd villfa 842 75 13ms 30 Nov 2018 822nd LostSyntax21 🇬🇧 842 75 13ms 8 Jan 2025 824th Jacob385 842 99 329ms 27 Oct 2025 825th jslip 841 35 36ms 5 Sep 2018 First Prev 751–825 of 3,132 Next Last