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 Hilbert Curve 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 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 Groovy 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 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 Groovy 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 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 Hilbert Curve 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 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 750th ovs-code 🇩🇪 854 82 7 Feb 2023 750th Lydxn 🇨🇦 854 82 28 Feb 2023 753rd ScottHamper 854 86 21 Nov 2021 754th MeWhenI 🇻🇦 854 101 8 May 2022 754th janbehrens 🇩🇪 854 101 26 Nov 2023 756th MeWhenI 🇻🇦 853 71 24 Oct 2024 756th sean-niemann 🇺🇸 853 71 30 Oct 2024 758th MeWhenI 🇻🇦 853 75 20 Jun 2022 758th sean-niemann 🇺🇸 853 75 19 Nov 2024 760th DialFrost 🇸🇬 851 79 26 Dec 2024 761st ovs-code 🇩🇪 850 62 2 Mar 2024 761st CaedenHarper 🇨🇦 850 62 1 Feb 2025 763rd RussellEmerine 850 80 30 Nov 2019 764th btnlq 849 68 16 Jul 2023 764th ovs-code 🇩🇪 849 68 3 Aug 2024 766th DialFrost 🇸🇬 849 78 26 Dec 2024 767th NewDefectus 🇮🇱 849 84 16 Dec 2021 768th dokutan 846 102 14 Apr 2024 769th lynn 845 59 25 May 2022 769th DialFrost 🇸🇬 845 59 26 Dec 2024 769th janlelis 845 59 14 Aug 2025 772nd jared-hughes 845 71 29 Oct 2021 772nd stefangimmillaro 845 71 27 Aug 2022 772nd Maznek 845 71 19 Jun 2023 775th prplz 🇦🇺 845 96 30 Apr 2022 775th elgan65536 845 96 11 Nov 2023 777th Frowny 844 72 3 Jul 2020 777th lifthrasiir 🇰🇷 844 72 13 Nov 2024 777th qpwoeirut 844 72 10 Aug 2025 780th primo-ppcg 🇹🇭 843 67 27 Mar 2021 780th Steffan153 🇫🇮 843 67 28 Jan 2023 780th edsrzf 🇳🇿 843 67 23 Jun 2025 783rd Lydxn 🇨🇦 843 83 10 Oct 2023 783rd ovs-code 🇩🇪 843 83 10 Oct 2023 785th villfa 842 75 30 Nov 2018 785th LostSyntax21 🇬🇧 842 75 8 Jan 2025 787th jslip 841 35 5 Sep 2018 787th rak1507 🇬🇧 841 35 20 Sep 2021 789th Steffan153 🇫🇮 840 99 28 Jan 2023 789th pardouin 🇫🇷 840 99 21 Sep 2024 789th sean-niemann 🇺🇸 840 99 9 May 2025 792nd HumanEquivalentUnit 839 59 10 Oct 2020 793rd Laar 839 81 1 Apr 2019 793rd alomiF 839 81 5 Oct 2023 793rd brimstonetrader 839 81 26 Jan 2024 796th annaproxy 839 85 18 May 2023 797th MeWhenI 🇻🇦 839 92 10 Oct 2022 798th Yewzir 🇧🇪 838 79 22 Dec 2023 798th albanian-laundromat 838 79 24 Jun 2025 800th AdrienHache 🇫🇷 838 103 7 Jan 2024 801st edsrzf 🇳🇿 837 97 4 Mar 2025 802nd SirFireball3521 836 45 22 Mar 2023 803rd GrayJoKing 🇦🇺 835 80 15 Jul 2023 804th Shanethegamer 🇺🇸 833 30 13 Jan 2022 805th PatrickStephansen 🇿🇦 833 72 3 Nov 2020 805th KatieLG 🇬🇧 833 72 16 Apr 2021 805th neihousaigaai 833 72 18 Apr 2021 805th two-bad 🇬🇧 833 72 25 Feb 2024 809th mogron 832 73 13 Dec 2019 809th FlorianCassayre 🇫🇷 832 73 30 Oct 2022 809th StefanHabel 🇨🇦 832 73 11 Dec 2022 812th duckyluuk 🇳🇱 831 73 16 Dec 2024 813th acacopardo 831 76 14 Nov 2017 813th MeWhenI 🇻🇦 831 76 15 Sep 2021 813th DaCuteRaccoon 831 76 30 Nov 2022 816th marshallward 🇺🇸 831 81 2 Sep 2022 817th fuzzylojik-golf 🇺🇸 830 93 18 days ago 818th GrayJoKing 🇦🇺 829 53 10 Apr 2021 818th scpchicken 🇵🇼 829 53 23 May 2021 818th kurkale6ka 829 53 16 Jun 2021 818th sean-niemann 🇺🇸 829 53 7 Sep 2021 818th MeWhenI 🇻🇦 829 53 15 Sep 2021 818th DaCuteRaccoon 829 53 30 Nov 2022 818th Steffan153 🇫🇮 829 53 28 Jan 2023 818th DialFrost 🇸🇬 829 53 28 Jan 2023 Prev 751–825 of 3,037 Next