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 601st MeWhenI 🇻🇦 885 52 2 Nov 2023 601st Yewzir 🇧🇪 885 52 7 Mar 2024 601st edsrzf 🇳🇿 885 52 17 Jan 2025 604th ovs-code 🇩🇪 885 87 29 Jul 2024 605th jared-hughes 884 76 6 Mar 2022 605th Steffan153 🇫🇮 884 76 25 Feb 2023 607th Shanethegamer 🇺🇸 884 83 12 May 2023 607th janbehrens 🇩🇪 884 83 26 Nov 2023 607th Yewzir 🇧🇪 884 83 11 Feb 2024 610th kg583 🇺🇸 883 95 22 days ago 611th jared-hughes 883 132 15 Feb 2022 612th prplz 🇦🇺 882 68 12 Oct 2021 612th NewDefectus 🇮🇱 882 68 16 Dec 2021 614th MeWhenI 🇻🇦 882 75 12 Sep 2022 614th sean-niemann 🇺🇸 882 75 8 Oct 2024 616th marcin7Cd 882 77 11 Mar 2020 617th lynn 882 93 12 Jul 2023 618th emplv 🇱🇻 881 93 29 Jun 2022 619th marcin7Cd 881 148 12 Oct 2020 619th Attero 🇸🇪 881 148 12 Oct 2020 619th GolfingSuccess 🇬🇷 881 148 1 May 2021 619th sisyphus-ppcg 🇦🇺 881 148 30 May 2021 619th lynn 881 148 1 Jun 2021 619th SirBogman 🇺🇸 881 148 28 Nov 2021 619th ovs-code 🇩🇪 881 148 22 Apr 2022 619th scpchicken 🇵🇼 881 148 4 Feb 2023 627th benwilliamgraham 880 69 26 Jan 2019 627th OllieBoyne 🇬🇧 880 69 16 Jan 2021 627th eiburns 880 69 20 Jan 2022 627th vishwathg 880 69 16 Aug 2022 627th emirps 880 69 22 Feb 2023 627th Vaekor 880 69 9 Jul 2023 627th AVDestroyer 880 69 4 Sep 2023 627th m42km 880 69 7 Oct 2023 627th elgan65536 880 69 4 Apr 2024 636th Attero 🇸🇪 880 81 4 May 2020 636th c0d3-4-F00d 🇩🇪 880 81 5 Jan 2022 638th m-tkach 🇺🇦 880 98 9 Mar 2023 638th annaproxy 880 98 22 Oct 2023 638th Yewzir 🇧🇪 880 98 30 Dec 2023 641st edsrzf 🇳🇿 879 60 11 Apr 2025 642nd Yewzir 🇧🇪 879 79 6 Dec 2023 643rd primo-ppcg 🇹🇭 878 50 11 Oct 2020 643rd o0lit3 🇺🇸 878 50 19 Apr 2021 643rd armin-k1 878 50 8 Sep 2021 643rd nwellnhof 🇩🇪 878 50 26 Dec 2021 643rd Lydxn 🇨🇦 878 50 25 May 2022 643rd saito-ta 🇯🇵 878 50 27 May 2022 649th primo-ppcg 🇹🇭 876 116 21 Apr 2020 649th kkoenig 876 116 5 Jan 2024 651st sean-niemann 🇺🇸 875 88 6 Aug 2024 652nd KatieLG-Transpiler 🇬🇧 875 149 24 Jun 2022 653rd primo-ppcg 🇹🇭 874 53 19 Oct 2020 653rd MeWhenI 🇻🇦 874 53 15 Feb 2023 655th edsrzf 🇳🇿 874 96 30 Dec 2024 656th alo-gin 873 54 19 Oct 2018 656th hrrs01 873 54 14 Apr 2020 656th jared-hughes 873 54 9 Sep 2022 656th ovs-code 🇩🇪 873 54 9 May 2023 660th hemphen 873 84 28 Aug 2022 661st primo-ppcg 🇹🇭 872 77 13 Jul 2021 662nd edsrzf 🇳🇿 871 95 5 Mar 2025 663rd nwellnhof 🇩🇪 871 99 3 Jan 2022 663rd Alex-x90 🇺🇸 871 99 20 Sep 2022 663rd Steffan153 🇫🇮 871 99 28 Jan 2023 663rd ovs-code 🇩🇪 871 99 3 Jun 2024 663rd roupiq 🇵🇱 871 99 8 Jun 2024 663rd Herbert00709 🇵🇱 871 99 8 Jun 2024 663rd sean-niemann 🇺🇸 871 99 6 Aug 2024 670th DialFrost 🇸🇬 871 148 12 Jan 2025 670th emgordon154 871 148 12 Jan 2025 670th Shanethegamer 🇺🇸 871 148 13 Jan 2025 670th KatieLG 🇬🇧 871 148 13 Jan 2025 670th HumanoidCPU 871 148 13 Jan 2025 670th dokutan 871 148 13 Jan 2025 Prev 601–675 of 2,959 Next