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 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 QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 371st edsrzf 🇳🇿 916 64 21 Jan 2025 371st sean-niemann 🇺🇸 916 64 19 Apr 2025 378th Lydxn 🇨🇦 916 72 10 Sep 2022 378th GrayJoKing 🇦🇺 916 72 10 Sep 2022 378th JayXon 🇺🇸 916 72 10 Sep 2022 378th btnlq 916 72 11 Sep 2022 378th Steffan153 🇫🇮 916 72 19 Aug 2024 383rd AlephSquirrel 916 83 21 Jan 2023 383rd edsrzf 🇳🇿 916 83 11 Apr 2025 383rd kg583 🇺🇸 916 83 3 May 2025 386th GrayJoKing 🇦🇺 915 69 29 Apr 2021 386th xsot 🇸🇬 915 69 16 Jun 2024 388th lifthrasiir 🇰🇷 915 77 11 Dec 2024 388th jared-hughes 915 77 15 Dec 2024 390th btnlq 914 61 5 Nov 2022 391st Lydxn 🇨🇦 914 63 16 Jul 2023 392nd inventshah 914 66 24 Oct 2024 392nd btnlq 914 66 26 Oct 2024 392nd stefangimmillaro 914 66 29 Oct 2024 392nd pardouin 🇫🇷 914 66 31 Oct 2024 392nd JayXon 🇺🇸 914 66 7 Nov 2024 392nd emgordon154 914 66 20 Nov 2024 398th nwellnhof 🇩🇪 914 78 7 Jan 2021 398th Alex-x90 🇺🇸 914 78 27 Jan 2023 398th inventshah 914 78 27 Jan 2023 398th Steffan153 🇫🇮 914 78 28 Jan 2023 398th sean-niemann 🇺🇸 914 78 7 Mar 2025 403rd primo-ppcg 🇹🇭 914 80 21 Nov 2021 403rd prplz 🇦🇺 914 80 21 Nov 2021 403rd annaproxy 914 80 5 May 2022 403rd tomtheisen 🇺🇸 914 80 17 Jan 2023 403rd Steffan153 🇫🇮 914 80 28 Jan 2023 403rd AdrienHache 🇫🇷 914 80 30 May 2023 403rd MeWhenI 🇻🇦 914 80 26 Jul 2023 403rd DialFrost 🇸🇬 914 80 26 Dec 2024 403rd sean-niemann 🇺🇸 914 80 9 Jan 2025 412th bendiscz 914 111 20 Apr 2020 412th emplv 🇱🇻 914 111 31 Aug 2021 412th jared-hughes 914 111 27 Feb 2024 412th edsrzf 🇳🇿 914 111 26 Oct 2024 412th keelimeguy 🇺🇸 914 111 28 Apr 2025 417th Lydxn 🇨🇦 913 70 21 Jun 2022 418th Lydxn 🇨🇦 913 76 14 Oct 2022 418th sean-niemann 🇺🇸 913 76 14 Oct 2022 418th JayXon 🇺🇸 913 76 14 Oct 2022 418th MeWhenI 🇻🇦 913 76 14 Oct 2022 418th Steffan153 🇫🇮 913 76 14 Oct 2022 418th stefangimmillaro 913 76 14 Oct 2022 418th Shanethegamer 🇺🇸 913 76 13 Mar 2023 418th DialFrost 🇸🇬 913 76 26 Dec 2024 426th xkacer 🇨🇿 911 128 20 Nov 2020 427th sisyphus-ppcg 🇦🇺 910 91 18 May 2022 427th ovs-code 🇩🇪 910 91 20 May 2022 427th inventshah 910 91 4 Jun 2022 427th nwellnhof 🇩🇪 910 91 8 Jul 2022 427th saito-ta 🇯🇵 910 91 3 Oct 2022 427th retrohun 910 91 30 Apr 2023 427th btnlq 910 91 17 May 2023 427th kritixilithos 910 91 22 May 2024 435th Lydxn 🇨🇦 909 74 14 Jul 2021 435th JayXon 🇺🇸 909 74 20 Aug 2021 435th stefangimmillaro 909 74 22 Apr 2023 438th dvargas46 🇺🇸 908 55 15 Nov 2022 439th MeWhenI 🇻🇦 908 62 11 Nov 2021 440th pihart 908 66 22 Jun 2020 440th Argeento 🇵🇱 908 66 13 Nov 2020 440th ovs-code 🇩🇪 908 66 29 Jul 2024 443rd JayXon 🇺🇸 908 77 28 Jan 2024 443rd GolfingSuccess 🇬🇷 908 77 19 Mar 2025 445th sisyphus-ppcg 🇦🇺 908 91 20 Jul 2022 445th UnderKoen 🇳🇱 908 91 6 Mar 2023 445th m-tkach 🇺🇦 908 91 9 Mar 2023 445th Lydxn 🇨🇦 908 91 19 Jul 2023 449th Shanethegamer 🇺🇸 907 63 18 May 2022 449th Yewzir 🇧🇪 907 63 9 Nov 2023 Prev 376–450 of 2,857 Next