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 Trinomial Triangle 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 Smooth Numbers Snake Sphenic Numbers 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 Luau 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 Luau 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 Trinomial Triangle 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 Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time 750th sean-niemann 🇺🇸 853 71 30 Oct 2024 752nd MeWhenI 🇻🇦 853 75 20 Jun 2022 752nd sean-niemann 🇺🇸 853 75 19 Nov 2024 754th ovs-code 🇩🇪 851 62 2 Mar 2024 754th CaedenHarper 🇨🇦 851 62 1 Feb 2025 756th DialFrost 🇸🇬 851 79 26 Dec 2024 757th RussellEmerine 850 80 30 Nov 2019 758th btnlq 849 68 16 Jul 2023 758th ovs-code 🇩🇪 849 68 3 Aug 2024 760th DialFrost 🇸🇬 849 78 26 Dec 2024 761st NewDefectus 🇮🇱 849 84 16 Dec 2021 762nd DialFrost 🇸🇬 849 98 25 days ago 762nd Yewzir 🇧🇪 849 98 17 days ago 764th prplz 🇦🇺 846 96 30 Apr 2022 764th elgan65536 846 96 11 Nov 2023 766th dokutan 846 102 14 Apr 2024 767th lynn 845 59 25 May 2022 767th DialFrost 🇸🇬 845 59 26 Dec 2024 767th janlelis 845 59 14 Aug 2025 770th jared-hughes 845 71 29 Oct 2021 770th stefangimmillaro 845 71 27 Aug 2022 770th Maznek 845 71 19 Jun 2023 770th KrausRaus 🇺🇸 845 71 5 days ago 774th Frowny 844 72 3 Jul 2020 774th lifthrasiir 🇰🇷 844 72 13 Nov 2024 776th primo-ppcg 🇹🇭 843 67 27 Mar 2021 776th Steffan153 🇫🇮 843 67 28 Jan 2023 776th edsrzf 🇳🇿 843 67 23 Jun 2025 779th Lydxn 🇨🇦 843 83 10 Oct 2023 779th ovs-code 🇩🇪 843 83 10 Oct 2023 781st villfa 842 75 30 Nov 2018 781st LostSyntax21 🇬🇧 842 75 8 Jan 2025 783rd jslip 841 35 5 Sep 2018 783rd rak1507 🇬🇧 841 35 20 Sep 2021 785th Steffan153 🇫🇮 841 99 28 Jan 2023 785th pardouin 🇫🇷 841 99 21 Sep 2024 785th sean-niemann 🇺🇸 841 99 9 May 2025 788th HumanEquivalentUnit 839 59 10 Oct 2020 789th Laar 839 81 1 Apr 2019 789th alomiF 839 81 5 Oct 2023 789th brimstonetrader 839 81 26 Jan 2024 792nd annaproxy 839 85 18 May 2023 793rd MeWhenI 🇻🇦 839 92 10 Oct 2022 794th Yewzir 🇧🇪 838 79 22 Dec 2023 794th albanian-laundromat 838 79 24 Jun 2025 796th AdrienHache 🇫🇷 838 103 7 Jan 2024 797th edsrzf 🇳🇿 837 97 4 Mar 2025 798th SirFireball3521 836 45 22 Mar 2023 799th GrayJoKing 🇦🇺 836 80 15 Jul 2023 800th Shanethegamer 🇺🇸 833 30 13 Jan 2022 801st PatrickStephansen 🇿🇦 833 72 3 Nov 2020 801st KatieLG 🇬🇧 833 72 16 Apr 2021 801st neihousaigaai 833 72 18 Apr 2021 801st two-bad 🇬🇧 833 72 25 Feb 2024 805th mogron 832 73 13 Dec 2019 805th FlorianCassayre 🇫🇷 832 73 30 Oct 2022 805th StefanHabel 🇨🇦 832 73 11 Dec 2022 808th duckyluuk 🇳🇱 831 73 16 Dec 2024 809th acacopardo 831 76 14 Nov 2017 809th MeWhenI 🇻🇦 831 76 15 Sep 2021 809th DaCuteRaccoon 831 76 30 Nov 2022 812th marshallward 🇺🇸 831 81 2 Sep 2022 813th djeedjay 🇳🇱 830 86 26 Oct 2020 813th Yewzir 🇧🇪 830 86 22 Dec 2023 815th fuzzylojik-golf 🇺🇸 830 93 30 Aug 2025 816th GrayJoKing 🇦🇺 829 53 10 Apr 2021 816th scpchicken 🇵🇼 829 53 23 May 2021 816th kurkale6ka 829 53 16 Jun 2021 816th sean-niemann 🇺🇸 829 53 7 Sep 2021 816th MeWhenI 🇻🇦 829 53 15 Sep 2021 816th DaCuteRaccoon 829 53 30 Nov 2022 816th Steffan153 🇫🇮 829 53 28 Jan 2023 816th DialFrost 🇸🇬 829 53 28 Jan 2023 816th snoozingnewt 🇺🇸 829 53 1 Sep 2024 816th LostSyntax21 🇬🇧 829 53 8 Jan 2025 First Prev 751–825 of 3,066 Next Last