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 674th Yewzir 🇧🇪 881 98 49ms 30 Dec 2023 677th benwilliamgraham 880 69 10ms 26 Jan 2019 677th OllieBoyne 🇬🇧 880 69 11ms 16 Jan 2021 677th eiburns 880 69 9ms 20 Jan 2022 677th vishwathg 880 69 9ms 16 Aug 2022 677th emirps 880 69 9ms 22 Feb 2023 677th Vaekor 880 69 10ms 9 Jul 2023 677th AVDestroyer 880 69 9ms 4 Sep 2023 677th m42km 880 69 12ms 7 Oct 2023 677th elgan65536 880 69 9ms 4 Apr 2024 686th Yewzir 🇧🇪 880 79 103ms 6 Dec 2023 687th JayXon 🇺🇸 880 143 1,608ms 15 Sep 2025 688th primo-ppcg 🇹🇭 878 50 39ms 11 Oct 2020 688th o0lit3 🇺🇸 878 50 11ms 19 Apr 2021 688th armin-k1 878 50 9ms 8 Sep 2021 688th nwellnhof 🇩🇪 878 50 18ms 26 Dec 2021 688th Lydxn 🇨🇦 878 50 40ms 25 May 2022 688th saito-ta 🇯🇵 878 50 20ms 27 May 2022 694th sean-niemann 🇺🇸 877 88 384ms 6 Aug 2024 695th snoozingnewt 🇺🇸 877 95 335ms 4 days ago 696th primo-ppcg 🇹🇭 877 116 269ms 21 Apr 2020 696th kkoenig 877 116 267ms 5 Jan 2024 698th KatieLG-Transpiler 🇬🇧 876 149 10ms 24 Jun 2022 699th primo-ppcg 🇹🇭 875 53 239ms 19 Oct 2020 699th MeWhenI 🇻🇦 875 53 263ms 15 Feb 2023 701st alo-gin 874 54 44ms 19 Oct 2018 701st hrrs01 874 54 110ms 14 Apr 2020 701st jared-hughes 874 54 33ms 9 Sep 2022 701st ovs-code 🇩🇪 874 54 68ms 9 May 2023 705th hemphen 874 84 342ms 28 Aug 2022 706th primo-ppcg 🇹🇭 873 77 1ms 13 Jul 2021 707th nwellnhof 🇩🇪 873 99 51ms 3 Jan 2022 707th Alex-x90 🇺🇸 873 99 53ms 20 Sep 2022 707th Steffan153 🇫🇮 873 99 51ms 28 Jan 2023 707th ovs-code 🇩🇪 873 99 48ms 3 Jun 2024 707th roupiq 🇵🇱 873 99 54ms 8 Jun 2024 707th Herbert00709 🇵🇱 873 99 53ms 8 Jun 2024 707th sean-niemann 🇺🇸 873 99 48ms 6 Aug 2024 714th edsrzf 🇳🇿 872 95 1ms 5 Mar 2025 715th DialFrost 🇸🇬 871 148 461ms 12 Jan 2025 715th emgordon154 871 148 465ms 12 Jan 2025 715th Shanethegamer 🇺🇸 871 148 445ms 13 Jan 2025 715th KatieLG 🇬🇧 871 148 461ms 13 Jan 2025 715th HumanoidCPU 871 148 507ms 13 Jan 2025 715th dokutan 871 148 472ms 13 Jan 2025 715th GolfingSuccess 🇬🇷 871 148 462ms 18 Jan 2025 715th ovs-code 🇩🇪 871 148 451ms 24 Jan 2025 715th CaedenHarper 🇨🇦 871 148 474ms 25 Jan 2025 715th MeWhenI 🇻🇦 871 148 471ms 9 Feb 2025 715th pardouin 🇫🇷 871 148 568ms 25 Feb 2025 715th albanian-laundromat 871 148 431ms 25 Jul 2025 727th AdrienHache 🇫🇷 870 82 2ms 7 Jan 2024 727th pardouin 🇫🇷 870 82 2ms 8 Oct 2024 727th LostSyntax21 🇬🇧 870 82 2ms 8 Jan 2025 727th TeodorDyakov 🇧🇬 870 82 2ms 5 Mar 2025 731st msbranicky 870 117 261ms 8 Sep 2023 732nd primo-ppcg 🇹🇭 869 69 9ms 27 Nov 2019 732nd jakzo 869 69 12ms 5 Sep 2021 732nd Shanethegamer 🇺🇸 869 69 10ms 25 Apr 2023 735th dcgjb 868 57 206ms 6 May 2024 736th ArmaanAS 868 70 9ms 8 Mar 2021 736th Hebelub 868 70 10ms 5 Jan 2024 736th Dataen 868 70 9ms 5 Jan 2024 736th dokutan 868 70 10ms 23 Jan 2024 740th duckyluuk 🇳🇱 867 70 2,797ms 26 Oct 2024 741st snoozingnewt 🇺🇸 867 89 375ms 4 days ago 742nd lynn 866 34 41ms 13 Apr 2021 742nd jared-hughes 866 34 34ms 30 Sep 2021 742nd Natanaelel 🇸🇪 866 34 43ms 28 Nov 2023 742nd primo-ppcg 🇹🇭 866 34 37ms 24 Mar 2025 742nd SirBogman 🇺🇸 866 34 36ms 8 Jul 2025 742nd fuzzylojik-golf 🇺🇸 866 34 35ms 9 Sep 2025 748th MeWhenI 🇻🇦 866 61 3ms 23 May 2023 749th DialFrost 🇸🇬 866 73 1,398ms 12 Oct 2023 750th Steffan153 🇫🇮 866 81 2ms 3 Feb 2023 First Prev 676–750 of 3,131 Next Last