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 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 Maze Medal Tally 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Maze Medal Tally 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 372nd Natanaelel 🇸🇪 917 74 19 days ago 377th primo-ppcg 🇹🇭 917 80 21 Nov 2021 377th prplz 🇦🇺 917 80 21 Nov 2021 377th annaproxy 917 80 5 May 2022 377th tomtheisen 🇺🇸 917 80 17 Jan 2023 377th Steffan153 🇫🇮 917 80 28 Jan 2023 377th AdrienHache 🇫🇷 917 80 30 May 2023 377th MeWhenI 🇻🇦 917 80 26 Jul 2023 377th DialFrost 🇸🇬 917 80 26 Dec 2024 377th sean-niemann 🇺🇸 917 80 9 Jan 2025 386th lynn 916 54 25 May 2022 387th Steffan153 🇫🇮 916 64 11 Dec 2023 387th Yewzir 🇧🇪 916 64 14 Dec 2023 387th Lydxn 🇨🇦 916 64 20 Dec 2023 387th dokutan 916 64 19 May 2024 387th emgordon154 916 64 5 Dec 2024 387th edsrzf 🇳🇿 916 64 21 Jan 2025 387th sean-niemann 🇺🇸 916 64 19 Apr 2025 394th inventshah 916 66 24 Oct 2024 394th btnlq 916 66 26 Oct 2024 394th stefangimmillaro 916 66 29 Oct 2024 394th pardouin 🇫🇷 916 66 31 Oct 2024 394th JayXon 🇺🇸 916 66 7 Nov 2024 394th emgordon154 916 66 20 Nov 2024 400th AlephSquirrel 916 83 21 Jan 2023 400th edsrzf 🇳🇿 916 83 11 Apr 2025 400th kg583 🇺🇸 916 83 3 May 2025 403rd GrayJoKing 🇦🇺 915 69 29 Apr 2021 403rd xsot 🇸🇬 915 69 16 Jun 2024 405th lifthrasiir 🇰🇷 915 77 11 Dec 2024 405th jared-hughes 915 77 15 Dec 2024 407th bendiscz 915 111 20 Apr 2020 407th emplv 🇱🇻 915 111 31 Aug 2021 407th jared-hughes 915 111 27 Feb 2024 407th edsrzf 🇳🇿 915 111 26 Oct 2024 407th keelimeguy 🇺🇸 915 111 28 Apr 2025 412th btnlq 914 61 5 Nov 2022 413th Lydxn 🇨🇦 914 63 16 Jul 2023 414th Lydxn 🇨🇦 914 76 14 Oct 2022 414th sean-niemann 🇺🇸 914 76 14 Oct 2022 414th JayXon 🇺🇸 914 76 14 Oct 2022 414th MeWhenI 🇻🇦 914 76 14 Oct 2022 414th Steffan153 🇫🇮 914 76 14 Oct 2022 414th stefangimmillaro 914 76 14 Oct 2022 414th Shanethegamer 🇺🇸 914 76 13 Mar 2023 414th DialFrost 🇸🇬 914 76 26 Dec 2024 422nd nwellnhof 🇩🇪 914 78 7 Jan 2021 422nd Alex-x90 🇺🇸 914 78 27 Jan 2023 422nd inventshah 914 78 27 Jan 2023 422nd Steffan153 🇫🇮 914 78 28 Jan 2023 422nd sean-niemann 🇺🇸 914 78 7 Mar 2025 427th Lydxn 🇨🇦 913 70 21 Jun 2022 428th xkacer 🇨🇿 911 128 20 Nov 2020 429th sisyphus-ppcg 🇦🇺 910 91 18 May 2022 429th ovs-code 🇩🇪 910 91 20 May 2022 429th inventshah 910 91 4 Jun 2022 429th nwellnhof 🇩🇪 910 91 8 Jul 2022 429th saito-ta 🇯🇵 910 91 3 Oct 2022 429th retrohun 910 91 30 Apr 2023 429th btnlq 910 91 17 May 2023 429th kritixilithos 910 91 22 May 2024 437th Lydxn 🇨🇦 909 74 14 Jul 2021 437th JayXon 🇺🇸 909 74 20 Aug 2021 437th stefangimmillaro 909 74 22 Apr 2023 440th dvargas46 🇺🇸 908 55 15 Nov 2022 441st MeWhenI 🇻🇦 908 62 11 Nov 2021 442nd pihart 908 66 22 Jun 2020 442nd Argeento 🇵🇱 908 66 13 Nov 2020 442nd ovs-code 🇩🇪 908 66 29 Jul 2024 445th JayXon 🇺🇸 908 77 28 Jan 2024 445th GolfingSuccess 🇬🇷 908 77 19 Mar 2025 447th sisyphus-ppcg 🇦🇺 908 91 20 Jul 2022 447th UnderKoen 🇳🇱 908 91 6 Mar 2023 447th m-tkach 🇺🇦 908 91 9 Mar 2023 447th Lydxn 🇨🇦 908 91 19 Jul 2023 Prev 376–450 of 2,886 Next