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 Calendar 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 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 Numbrix 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 ArkScript 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 ArkScript 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 Calendar 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 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 Numbrix 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 629th KatieLG 🇬🇧 889 147 10ms 26 Sep 2024 629th emgordon154 889 147 9ms 4 Dec 2024 629th CaedenHarper 🇨🇦 889 147 9ms 24 Jan 2025 629th rucin93 🇵🇱 889 147 10ms 23 Apr 2025 629th albanian-laundromat 889 147 10ms 20 Jul 2025 629th Babafaba 889 147 10ms 24 Oct 2025 629th GolfingSuccess 🇬🇷 889 147 10ms 8 Nov 2025 629th snoozingnewt 🇨🇦 889 147 10ms 5 Dec 2025 649th ovs-code 🇩🇪 887 87 462ms 29 Jul 2024 650th MeWhenI 🇻🇦 886 76 37ms 16 May 2023 651st MeWhenI 🇻🇦 885 52 66ms 2 Nov 2023 651st Yewzir 🇧🇪 885 52 67ms 7 Mar 2024 651st edsrzf 🇳🇿 885 52 63ms 17 Jan 2025 651st fuzzylojik-golf 🇺🇸 885 52 60ms 17 Sep 2025 655th Shanethegamer 🇺🇸 885 83 404ms 12 May 2023 655th janbehrens 🇩🇪 885 83 373ms 26 Nov 2023 655th Yewzir 🇧🇪 885 83 413ms 11 Feb 2024 655th snoozingnewt 🇨🇦 885 83 376ms 29 Nov 2025 659th lynn 885 93 27ms 12 Jul 2023 660th KasperKivimaeki 🇫🇮 885 115 258ms 2 Oct 2025 661st Steffan153 🇫🇮 884 78 1ms 29 Oct 2023 662nd MeWhenI 🇻🇦 883 75 2ms 12 Sep 2022 662nd sean-niemann 🇺🇸 883 75 2ms 8 Oct 2024 664th jared-hughes 883 76 1ms 6 Mar 2022 664th Steffan153 🇫🇮 883 76 1ms 25 Feb 2023 666th marcin7Cd 883 77 136ms 11 Mar 2020 666th fuzzylojik-golf 🇺🇸 883 77 143ms 15 Sep 2025 668th marcin7Cd 883 148 10ms 12 Oct 2020 668th Attero 🇸🇪 883 148 9ms 12 Oct 2020 668th sisyphus-ppcg 🇦🇺 883 148 10ms 30 May 2021 668th lynn 883 148 10ms 1 Jun 2021 668th SirBogman 🇺🇸 883 148 10ms 28 Nov 2021 668th ovs-code 🇩🇪 883 148 10ms 22 Apr 2022 668th scpchicken 🇵🇼 883 148 10ms 4 Feb 2023 675th pardouin 🇫🇷 882 63 668ms 29 Aug 2025 676th prplz 🇦🇺 882 68 10ms 12 Oct 2021 676th NewDefectus 🇮🇱 882 68 12ms 16 Dec 2021 676th KrausRaus 🇺🇸 882 68 10ms 10 days ago 679th emplv 🇱🇻 882 93 25ms 29 Jun 2022 680th m-tkach 🇺🇦 882 98 59ms 9 Mar 2023 680th annaproxy 882 98 57ms 22 Oct 2023 680th Yewzir 🇧🇪 882 98 61ms 30 Dec 2023 683rd Attero 🇸🇪 881 81 2ms 4 May 2020 683rd c0d3-4-F00d 🇩🇪 881 81 2ms 5 Jan 2022 683rd snoozingnewt 🇨🇦 881 81 2ms 13 Sep 2025 683rd AZTECCO 881 81 2ms 16 Sep 2025 683rd Yax42 🇫🇷 881 81 2ms 14 Oct 2025 688th benwilliamgraham 880 69 9ms 26 Jan 2019 688th OllieBoyne 🇬🇧 880 69 9ms 16 Jan 2021 688th eiburns 880 69 9ms 20 Jan 2022 688th vishwathg 880 69 9ms 16 Aug 2022 688th emirps 880 69 9ms 22 Feb 2023 688th Vaekor 880 69 9ms 9 Jul 2023 688th AVDestroyer 880 69 9ms 4 Sep 2023 688th m42km 880 69 9ms 7 Oct 2023 688th elgan65536 880 69 9ms 4 Apr 2024 697th Yewzir 🇧🇪 880 79 111ms 6 Dec 2023 698th JayXon 🇺🇸 880 143 1,685ms 15 Sep 2025 699th primo-ppcg 🇹🇭 878 50 31ms 11 Oct 2020 699th o0lit3 🇺🇸 878 50 10ms 19 Apr 2021 699th armin-k1 878 50 8ms 8 Sep 2021 699th nwellnhof 🇩🇪 878 50 14ms 26 Dec 2021 699th Lydxn 🇨🇦 878 50 32ms 25 May 2022 699th saito-ta 🇯🇵 878 50 17ms 27 May 2022 705th snoozingnewt 🇨🇦 878 95 356ms 29 Nov 2025 706th sean-niemann 🇺🇸 877 88 384ms 6 Aug 2024 707th primo-ppcg 🇹🇭 877 116 262ms 21 Apr 2020 707th kkoenig 877 116 249ms 5 Jan 2024 709th KatieLG-Transpiler 🇬🇧 877 149 10ms 24 Jun 2022 710th primo-ppcg 🇹🇭 875 53 280ms 19 Oct 2020 710th MeWhenI 🇻🇦 875 53 261ms 15 Feb 2023 712th hemphen 875 84 425ms 28 Aug 2022 713th alo-gin 874 54 33ms 19 Oct 2018 713th hrrs01 874 54 123ms 14 Apr 2020 713th jared-hughes 874 54 35ms 9 Sep 2022 713th ovs-code 🇩🇪 874 54 45ms 9 May 2023 717th DialFrost 🇸🇬 874 148 1,487ms 12 Jan 2025 717th emgordon154 874 148 1,465ms 12 Jan 2025 717th Shanethegamer 🇺🇸 874 148 1,431ms 13 Jan 2025 717th KatieLG 🇬🇧 874 148 1,575ms 13 Jan 2025 First Prev 641–720 of 3,159 Next Last
