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 Multitap Input 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 Multitap Input 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 672nd Yax42 🇫🇷 881 81 2ms 14 Oct 2025 677th edsrzf 🇳🇿 881 96 40ms 30 Dec 2024 678th m-tkach 🇺🇦 881 98 58ms 9 Mar 2023 678th annaproxy 881 98 51ms 22 Oct 2023 678th Yewzir 🇧🇪 881 98 54ms 30 Dec 2023 681st benwilliamgraham 880 69 9ms 26 Jan 2019 681st OllieBoyne 🇬🇧 880 69 9ms 16 Jan 2021 681st eiburns 880 69 9ms 20 Jan 2022 681st vishwathg 880 69 9ms 16 Aug 2022 681st emirps 880 69 9ms 22 Feb 2023 681st Vaekor 880 69 9ms 9 Jul 2023 681st AVDestroyer 880 69 9ms 4 Sep 2023 681st m42km 880 69 9ms 7 Oct 2023 681st elgan65536 880 69 9ms 4 Apr 2024 690th Yewzir 🇧🇪 880 79 102ms 6 Dec 2023 691st JayXon 🇺🇸 880 143 1,685ms 15 Sep 2025 692nd primo-ppcg 🇹🇭 878 50 31ms 11 Oct 2020 692nd o0lit3 🇺🇸 878 50 11ms 19 Apr 2021 692nd armin-k1 878 50 8ms 8 Sep 2021 692nd nwellnhof 🇩🇪 878 50 18ms 26 Dec 2021 692nd Lydxn 🇨🇦 878 50 32ms 25 May 2022 692nd saito-ta 🇯🇵 878 50 17ms 27 May 2022 698th sean-niemann 🇺🇸 877 88 384ms 6 Aug 2024 699th snoozingnewt 🇨🇦 877 95 356ms 9 days ago 700th primo-ppcg 🇹🇭 877 116 275ms 21 Apr 2020 700th kkoenig 877 116 259ms 5 Jan 2024 702nd KatieLG-Transpiler 🇬🇧 877 149 10ms 24 Jun 2022 703rd primo-ppcg 🇹🇭 875 53 239ms 19 Oct 2020 703rd MeWhenI 🇻🇦 875 53 263ms 15 Feb 2023 705th alo-gin 874 54 33ms 19 Oct 2018 705th hrrs01 874 54 104ms 14 Apr 2020 705th jared-hughes 874 54 31ms 9 Sep 2022 705th ovs-code 🇩🇪 874 54 41ms 9 May 2023 709th hemphen 874 84 342ms 28 Aug 2022 710th DialFrost 🇸🇬 874 148 461ms 12 Jan 2025 710th emgordon154 874 148 465ms 12 Jan 2025 710th Shanethegamer 🇺🇸 874 148 445ms 13 Jan 2025 710th KatieLG 🇬🇧 874 148 461ms 13 Jan 2025 710th HumanoidCPU 874 148 507ms 13 Jan 2025 710th dokutan 874 148 472ms 13 Jan 2025 710th GolfingSuccess 🇬🇷 874 148 462ms 18 Jan 2025 710th ovs-code 🇩🇪 874 148 451ms 24 Jan 2025 710th CaedenHarper 🇨🇦 874 148 474ms 25 Jan 2025 710th MeWhenI 🇻🇦 874 148 471ms 9 Feb 2025 710th pardouin 🇫🇷 874 148 568ms 25 Feb 2025 710th albanian-laundromat 874 148 431ms 25 Jul 2025 710th snoozingnewt 🇨🇦 874 148 391ms 20 hours ago 723rd primo-ppcg 🇹🇭 873 77 1ms 13 Jul 2021 724th nwellnhof 🇩🇪 873 99 57ms 3 Jan 2022 724th Alex-x90 🇺🇸 873 99 52ms 20 Sep 2022 724th Steffan153 🇫🇮 873 99 53ms 28 Jan 2023 724th ovs-code 🇩🇪 873 99 53ms 3 Jun 2024 724th roupiq 🇵🇱 873 99 54ms 8 Jun 2024 724th Herbert00709 🇵🇱 873 99 53ms 8 Jun 2024 724th sean-niemann 🇺🇸 873 99 54ms 6 Aug 2024 731st edsrzf 🇳🇿 872 95 2ms 5 Mar 2025 732nd AdrienHache 🇫🇷 870 82 2ms 7 Jan 2024 732nd pardouin 🇫🇷 870 82 2ms 8 Oct 2024 732nd LostSyntax21 🇬🇧 870 82 1ms 8 Jan 2025 732nd TeodorDyakov 🇧🇬 870 82 2ms 5 Mar 2025 736th msbranicky 870 117 266ms 8 Sep 2023 737th primo-ppcg 🇹🇭 869 69 9ms 27 Nov 2019 737th jakzo 869 69 14ms 5 Sep 2021 737th Shanethegamer 🇺🇸 869 69 10ms 25 Apr 2023 740th dcgjb 868 57 206ms 6 May 2024 741st ArmaanAS 868 70 9ms 8 Mar 2021 741st Hebelub 868 70 9ms 5 Jan 2024 741st Dataen 868 70 9ms 5 Jan 2024 741st dokutan 868 70 9ms 23 Jan 2024 745th duckyluuk 🇳🇱 867 70 2,806ms 26 Oct 2024 746th snoozingnewt 🇨🇦 867 89 375ms 9 days ago 747th lynn 866 34 41ms 13 Apr 2021 747th jared-hughes 866 34 34ms 30 Sep 2021 747th Natanaelel 🇸🇪 866 34 43ms 28 Nov 2023 747th primo-ppcg 🇹🇭 866 34 37ms 24 Mar 2025 First Prev 676–750 of 3,137 Next Last