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 Topological Sort 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 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 Knight 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 Knight 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 Topological Sort 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 Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 375th annaproxy 918 74 12 Jan 2022 375th rak1507 🇬🇧 918 74 23 Feb 2022 375th snoozingnewt 🇺🇸 918 74 1 Sep 2024 375th Natanaelel 🇸🇪 918 74 31 May 2025 380th Steffan153 🇫🇮 917 63 22 Aug 2024 380th sean-niemann 🇺🇸 917 63 22 Aug 2024 380th JayXon 🇺🇸 917 63 23 Aug 2024 380th lukegustafson 🇺🇸 917 63 12 Sep 2024 380th emplv 🇱🇻 917 63 17 Jul 2025 385th Steffan153 🇫🇮 917 64 11 Dec 2023 385th Yewzir 🇧🇪 917 64 14 Dec 2023 385th Lydxn 🇨🇦 917 64 20 Dec 2023 385th dokutan 917 64 19 May 2024 385th emgordon154 917 64 5 Dec 2024 385th edsrzf 🇳🇿 917 64 21 Jan 2025 385th sean-niemann 🇺🇸 917 64 19 Apr 2025 385th kg583 🇺🇸 917 64 18 days ago 393rd inventshah 917 66 24 Oct 2024 393rd btnlq 917 66 26 Oct 2024 393rd stefangimmillaro 917 66 29 Oct 2024 393rd pardouin 🇫🇷 917 66 31 Oct 2024 393rd JayXon 🇺🇸 917 66 7 Nov 2024 393rd emgordon154 917 66 20 Nov 2024 399th primo-ppcg 🇹🇭 917 80 21 Nov 2021 399th prplz 🇦🇺 917 80 21 Nov 2021 399th annaproxy 917 80 5 May 2022 399th tomtheisen 🇺🇸 917 80 17 Jan 2023 399th Steffan153 🇫🇮 917 80 28 Jan 2023 399th AdrienHache 🇫🇷 917 80 30 May 2023 399th MeWhenI 🇻🇦 917 80 26 Jul 2023 399th DialFrost 🇸🇬 917 80 26 Dec 2024 399th sean-niemann 🇺🇸 917 80 9 Jan 2025 399th Yax42 🇫🇷 917 80 2 days ago 409th lynn 916 54 25 May 2022 410th lifthrasiir 🇰🇷 916 77 11 Dec 2024 410th jared-hughes 916 77 15 Dec 2024 412th AlephSquirrel 916 83 21 Jan 2023 412th edsrzf 🇳🇿 916 83 11 Apr 2025 412th kg583 🇺🇸 916 83 3 May 2025 415th Lydxn 🇨🇦 915 63 16 Jul 2023 416th GrayJoKing 🇦🇺 915 69 29 Apr 2021 416th xsot 🇸🇬 915 69 16 Jun 2024 418th bendiscz 915 111 20 Apr 2020 418th emplv 🇱🇻 915 111 31 Aug 2021 418th jared-hughes 915 111 27 Feb 2024 418th edsrzf 🇳🇿 915 111 26 Oct 2024 418th keelimeguy 🇺🇸 915 111 28 Apr 2025 423rd btnlq 914 61 5 Nov 2022 424th Lydxn 🇨🇦 914 70 21 Jun 2022 425th Lydxn 🇨🇦 914 76 14 Oct 2022 425th sean-niemann 🇺🇸 914 76 14 Oct 2022 425th JayXon 🇺🇸 914 76 14 Oct 2022 425th MeWhenI 🇻🇦 914 76 14 Oct 2022 425th Steffan153 🇫🇮 914 76 14 Oct 2022 425th stefangimmillaro 914 76 14 Oct 2022 425th Shanethegamer 🇺🇸 914 76 13 Mar 2023 425th DialFrost 🇸🇬 914 76 26 Dec 2024 433rd nwellnhof 🇩🇪 914 78 7 Jan 2021 433rd Alex-x90 🇺🇸 914 78 27 Jan 2023 433rd inventshah 914 78 27 Jan 2023 433rd Steffan153 🇫🇮 914 78 28 Jan 2023 433rd sean-niemann 🇺🇸 914 78 7 Mar 2025 438th sisyphus-ppcg 🇦🇺 913 91 18 May 2022 438th ovs-code 🇩🇪 913 91 20 May 2022 438th inventshah 913 91 4 Jun 2022 438th nwellnhof 🇩🇪 913 91 8 Jul 2022 438th saito-ta 🇯🇵 913 91 3 Oct 2022 438th retrohun 913 91 30 Apr 2023 438th btnlq 913 91 17 May 2023 438th kritixilithos 913 91 22 May 2024 446th xkacer 🇨🇿 911 128 20 Nov 2020 447th MeWhenI 🇻🇦 910 62 11 Nov 2021 448th Lydxn 🇨🇦 910 74 14 Jul 2021 448th JayXon 🇺🇸 910 74 20 Aug 2021 448th stefangimmillaro 910 74 22 Apr 2023 Prev 376–450 of 2,960 Next