Happy Numbers in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 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 Erlang 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 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 Erlang 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 30th CornerMercury 🇬🇧 980 62 10ms 7 Oct 2025 30th ndren 980 62 9ms 7 Oct 2025 30th blaztoma 🇱🇹 980 62 10ms 118 mins ago 30th Emutis 🇱🇹 980 62 10ms 58 mins ago 80th JayXon 🇺🇸 967 62 9ms 26 Jan 2021 80th emplv 🇱🇻 967 62 9ms 15 Dec 2021 80th Lydxn 🇨🇦 967 62 13ms 12 Apr 2022 80th Steffan153 🇫🇮 967 62 10ms 28 Jan 2023 80th nwellnhof 🇩🇪 967 62 13ms 3 Mar 2023 80th sean-niemann 🇺🇸 967 62 10ms 22 Feb 2024 80th rucin93 🇵🇱 967 62 10ms 19 Apr 2024 80th vlpx 🇫🇮 967 62 13ms 18 Jun 2024 80th lukegustafson 🇺🇸 967 62 10ms 6 Sep 2024 89th GrayJoKing 🇦🇺 965 39 137ms 17 Oct 2020 90th sisyphus-ppcg 🇦🇺 963 49 51ms 6 Nov 2020 90th prplz 🇦🇺 963 49 48ms 6 Nov 2020 90th primo-ppcg 🇹🇭 963 49 35ms 15 Nov 2020 90th JayXon 🇺🇸 963 49 32ms 20 Feb 2021 90th GrayJoKing 🇦🇺 963 49 37ms 24 Mar 2021 90th Lydxn 🇨🇦 963 49 36ms 24 Mar 2021 90th nwellnhof 🇩🇪 963 49 44ms 6 Nov 2021 90th MeWhenI 🇻🇦 963 49 35ms 16 Feb 2022 90th stefangimmillaro 963 49 49ms 16 Feb 2022 90th radarek 🇵🇱 963 49 35ms 10 Mar 2022 90th lynn 963 49 46ms 25 May 2022 90th Steffan153 🇫🇮 963 49 49ms 28 Jan 2023 90th m-tkach 🇺🇦 963 49 35ms 23 Feb 2023 90th xsot 🇸🇬 963 49 39ms 14 Oct 2023 90th emgordon154 963 49 35ms 5 Aug 2024 90th sean-niemann 🇺🇸 963 49 34ms 9 Aug 2024 90th pardouin 🇫🇷 963 49 35ms 29 Sep 2024 90th DialFrost 🇸🇬 963 49 33ms 26 Dec 2024 108th pardouin 🇫🇷 962 26 4ms 14 Apr 2025 109th sean-niemann 🇺🇸 959 27 44ms 22 Jul 2022 109th lynn 959 27 46ms 22 Jul 2022 109th MeWhenI 🇻🇦 959 27 45ms 23 Jul 2022 109th sisyphus-ppcg 🇦🇺 959 27 41ms 24 Jul 2022 109th jared-hughes 959 27 41ms 29 Jul 2022 109th primo-ppcg 🇹🇭 959 27 47ms 30 Sep 2022 109th DaCuteRaccoon 959 27 43ms 30 Nov 2022 109th AlephSquirrel 959 27 46ms 30 Dec 2022 109th DialFrost 🇸🇬 959 27 42ms 28 Jan 2023 109th CornerMercury 🇬🇧 959 27 42ms 24 Aug 2023 109th ovs-code 🇩🇪 959 27 162ms 2 Feb 2024 109th snoozingnewt 🇺🇸 959 27 44ms 1 Sep 2024 109th pardouin 🇫🇷 959 27 48ms 21 Sep 2024 109th LostSyntax21 🇬🇧 959 27 56ms 8 Jan 2025 109th edsrzf 🇳🇿 959 27 60ms 9 Mar 2025 109th CaedenHarper 🇨🇦 959 27 47ms 14 Jul 2025 109th fuzzylojik-golf 🇺🇸 959 27 45ms 9 Sep 2025 126th sisyphus-ppcg 🇦🇺 955 46 13ms 21 Dec 2023 127th janbehrens 🇩🇪 952 52 192ms 26 Nov 2023 127th Lydxn 🇨🇦 952 52 196ms 7 Jan 2024 127th bitsandbeyond 🇳🇱 952 52 212ms 13 Jul 2024 130th dmrichwa 🇺🇸 952 63 12ms 28 Jan 2023 130th targrik 952 63 10ms 19 Feb 2025 132nd saito-ta 🇯🇵 951 75 6ms 22 Jun 2022 132nd Lydxn 🇨🇦 951 75 6ms 13 May 2023 132nd rhdqor213 951 75 2ms 29 Jul 2024 132nd KasperKivimaeki 🇫🇮 951 75 2ms 8 days ago 136th Lydxn 🇨🇦 946 49 529ms 19 Nov 2021 136th rustyflamingo 946 49 551ms 22 Sep 2022 136th antimon2 🇯🇵 946 49 565ms 15 Oct 2022 136th JayXon 🇺🇸 946 49 575ms 3 Dec 2022 136th alemelis 946 49 539ms 1 Mar 2023 136th HPWiz 🇳🇿 946 49 554ms 9 Mar 2023 136th ovs-code 🇩🇪 946 49 562ms 24 Oct 2023 136th MarcMush 🇫🇷 946 49 589ms 5 Jan 2024 136th DialFrost 🇸🇬 946 49 541ms 5 Jan 2024 136th Steffan153 🇫🇮 946 49 579ms 28 Feb 2024 136th twolfive 946 49 552ms 5 Oct 2024 136th sean-niemann 🇺🇸 946 49 537ms 3 Jun 2025 148th GrayJoKing 🇦🇺 945 42 2ms 24 Mar 2021 148th MeWhenI 🇻🇦 945 42 2ms 13 Mar 2025 150th Bubbler-4 944 72 163ms 20 Feb 2019 First Prev 76–150 of 3,100 Next Last