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 Mandelbrot 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort 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 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 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 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Topological Sort Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 374th JayXon 🇺🇸 917 63 23 Aug 2024 374th lukegustafson 🇺🇸 917 63 12 Sep 2024 374th emplv 🇱🇻 917 63 13 days ago 379th Steffan153 🇫🇮 917 64 11 Dec 2023 379th Yewzir 🇧🇪 917 64 14 Dec 2023 379th Lydxn 🇨🇦 917 64 20 Dec 2023 379th dokutan 917 64 19 May 2024 379th emgordon154 917 64 5 Dec 2024 379th edsrzf 🇳🇿 917 64 21 Jan 2025 379th sean-niemann 🇺🇸 917 64 19 Apr 2025 379th kg583 🇺🇸 917 64 15 hours ago 387th Lydxn 🇨🇦 917 72 10 Sep 2022 387th GrayJoKing 🇦🇺 917 72 10 Sep 2022 387th JayXon 🇺🇸 917 72 10 Sep 2022 387th btnlq 917 72 11 Sep 2022 387th Steffan153 🇫🇮 917 72 19 Aug 2024 392nd primo-ppcg 🇹🇭 917 80 21 Nov 2021 392nd prplz 🇦🇺 917 80 21 Nov 2021 392nd annaproxy 917 80 5 May 2022 392nd tomtheisen 🇺🇸 917 80 17 Jan 2023 392nd Steffan153 🇫🇮 917 80 28 Jan 2023 392nd AdrienHache 🇫🇷 917 80 30 May 2023 392nd MeWhenI 🇻🇦 917 80 26 Jul 2023 392nd DialFrost 🇸🇬 917 80 26 Dec 2024 392nd sean-niemann 🇺🇸 917 80 9 Jan 2025 401st lynn 916 54 25 May 2022 402nd inventshah 916 66 24 Oct 2024 402nd btnlq 916 66 26 Oct 2024 402nd stefangimmillaro 916 66 29 Oct 2024 402nd pardouin 🇫🇷 916 66 31 Oct 2024 402nd JayXon 🇺🇸 916 66 7 Nov 2024 402nd emgordon154 916 66 20 Nov 2024 408th AlephSquirrel 916 83 21 Jan 2023 408th edsrzf 🇳🇿 916 83 11 Apr 2025 408th kg583 🇺🇸 916 83 3 May 2025 411th GrayJoKing 🇦🇺 915 69 29 Apr 2021 411th xsot 🇸🇬 915 69 16 Jun 2024 413th lifthrasiir 🇰🇷 915 77 11 Dec 2024 413th jared-hughes 915 77 15 Dec 2024 415th bendiscz 915 111 20 Apr 2020 415th emplv 🇱🇻 915 111 31 Aug 2021 415th jared-hughes 915 111 27 Feb 2024 415th edsrzf 🇳🇿 915 111 26 Oct 2024 415th keelimeguy 🇺🇸 915 111 28 Apr 2025 420th btnlq 914 61 5 Nov 2022 421st Lydxn 🇨🇦 914 63 16 Jul 2023 422nd Lydxn 🇨🇦 914 70 21 Jun 2022 423rd Lydxn 🇨🇦 914 76 14 Oct 2022 423rd sean-niemann 🇺🇸 914 76 14 Oct 2022 423rd JayXon 🇺🇸 914 76 14 Oct 2022 423rd MeWhenI 🇻🇦 914 76 14 Oct 2022 423rd Steffan153 🇫🇮 914 76 14 Oct 2022 423rd stefangimmillaro 914 76 14 Oct 2022 423rd Shanethegamer 🇺🇸 914 76 13 Mar 2023 423rd DialFrost 🇸🇬 914 76 26 Dec 2024 431st nwellnhof 🇩🇪 914 78 7 Jan 2021 431st Alex-x90 🇺🇸 914 78 27 Jan 2023 431st inventshah 914 78 27 Jan 2023 431st Steffan153 🇫🇮 914 78 28 Jan 2023 431st sean-niemann 🇺🇸 914 78 7 Mar 2025 436th sisyphus-ppcg 🇦🇺 912 91 18 May 2022 436th ovs-code 🇩🇪 912 91 20 May 2022 436th inventshah 912 91 4 Jun 2022 436th nwellnhof 🇩🇪 912 91 8 Jul 2022 436th saito-ta 🇯🇵 912 91 3 Oct 2022 436th retrohun 912 91 30 Apr 2023 436th btnlq 912 91 17 May 2023 436th kritixilithos 912 91 22 May 2024 444th xkacer 🇨🇿 911 128 20 Nov 2020 445th MeWhenI 🇻🇦 909 62 11 Nov 2021 446th pihart 909 66 22 Jun 2020 446th Argeento 🇵🇱 909 66 13 Nov 2020 446th ovs-code 🇩🇪 909 66 29 Jul 2024 449th Lydxn 🇨🇦 909 74 14 Jul 2021 449th JayXon 🇺🇸 909 74 20 Aug 2021 Prev 376–450 of 2,923 Next