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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers 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 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 Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT 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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers 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 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 Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 676th MeWhenI 🇻🇦 862 98 28 Aug 2024 677th jared-hughes 862 100 20 Jul 2022 678th duckyluuk 🇳🇱 861 70 26 Oct 2024 679th MeWhenI 🇻🇦 860 78 27 Dec 2022 680th ovs-code 🇩🇪 860 95 10 Jan 2023 681st emgordon154 859 58 22 Dec 2021 681st pardouin 🇫🇷 859 58 22 Aug 2024 683rd treeowl 859 79 27 Feb 2019 683rd user189032 859 79 29 May 2019 683rd cbrt-x 859 79 15 Sep 2023 686th gilufin 857 55 30 May 2021 686th Natanaelel 🇸🇪 857 55 10 May 2023 688th DaCuteRaccoon 857 65 30 Nov 2022 688th snoozingnewt 🇺🇸 857 65 1 Sep 2024 688th LostSyntax21 🇬🇧 857 65 8 Jan 2025 691st m-tkach 🇺🇦 857 77 5 Dec 2023 692nd Jacob385 857 136 21 Feb 2025 693rd GrayJoKing 🇦🇺 856 70 20 Sep 2021 693rd 0x24a537r9 856 70 10 Sep 2022 695th ovs-code 🇩🇪 855 44 31 Dec 2023 696th stefangimmillaro 853 66 15 Jul 2023 697th JDiLenarda 🇫🇷 853 71 9 Oct 2020 698th ScottHamper 853 86 21 Nov 2021 699th MeWhenI 🇻🇦 853 101 8 May 2022 699th janbehrens 🇩🇪 853 101 26 Nov 2023 701st MeWhenI 🇻🇦 852 75 20 Jun 2022 701st sean-niemann 🇺🇸 852 75 19 Nov 2024 703rd clockworknazo 851 82 13 Oct 2022 703rd ovs-code 🇩🇪 851 82 7 Feb 2023 703rd Lydxn 🇨🇦 851 82 28 Feb 2023 706th ovs-code 🇩🇪 849 62 2 Mar 2024 706th CaedenHarper 🇨🇦 849 62 1 Feb 2025 708th ovs-code 🇩🇪 849 68 3 Aug 2024 709th MeWhenI 🇻🇦 849 71 24 Oct 2024 709th sean-niemann 🇺🇸 849 71 30 Oct 2024 711th DialFrost 🇸🇬 849 79 26 Dec 2024 712th RussellEmerine 849 80 30 Nov 2019 712th Natanaelel 🇸🇪 849 80 31 Mar 2022 714th NewDefectus 🇮🇱 849 84 16 Dec 2021 715th btnlq 847 68 16 Jul 2023 716th DialFrost 🇸🇬 846 78 26 Dec 2024 717th dokutan 845 102 14 Apr 2024 718th lynn 844 59 25 May 2022 718th DialFrost 🇸🇬 844 59 26 Dec 2024 720th jared-hughes 844 71 29 Oct 2021 720th stefangimmillaro 844 71 27 Aug 2022 720th Maznek 844 71 19 Jun 2023 723rd Frowny 843 72 3 Jul 2020 723rd lifthrasiir 🇰🇷 843 72 13 Nov 2024 725th prplz 🇦🇺 843 96 30 Apr 2022 725th elgan65536 843 96 11 Nov 2023 727th primo-ppcg 🇹🇭 841 67 27 Mar 2021 727th Steffan153 🇫🇮 841 67 28 Jan 2023 729th villfa 841 75 30 Nov 2018 729th LostSyntax21 🇬🇧 841 75 8 Jan 2025 731st Lydxn 🇨🇦 841 83 10 Oct 2023 731st ovs-code 🇩🇪 841 83 10 Oct 2023 733rd jslip 840 35 5 Sep 2018 733rd SirBogman 🇺🇸 840 35 3 Nov 2019 733rd rak1507 🇬🇧 840 35 20 Sep 2021 736th emgordon154 840 143 22 Dec 2021 736th primo-ppcg 🇹🇭 840 143 5 Mar 2022 736th Yewzir 840 143 13 Jul 2023 736th ovs-code 🇩🇪 840 143 10 Sep 2023 740th annaproxy 839 85 18 May 2023 741st HumanEquivalentUnit 838 59 10 Oct 2020 742nd Laar 838 81 1 Apr 2019 742nd alomiF 838 81 5 Oct 2023 742nd brimstonetrader 838 81 26 Jan 2024 745th Steffan153 🇫🇮 837 99 28 Jan 2023 745th pardouin 🇫🇷 837 99 21 Sep 2024 747th SirFireball3521 836 45 22 Mar 2023 748th AdrienHache 🇫🇷 836 103 7 Jan 2024 749th emgordon154 835 31 11 Sep 2024 750th Yewzir 835 79 22 Dec 2023 Prev 676–750 of 2,741 Next