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 751st ScottHamper 854 86 21 Nov 2021 752nd MeWhenI 🇻🇦 853 71 24 Oct 2024 752nd sean-niemann 🇺🇸 853 71 30 Oct 2024 754th MeWhenI 🇻🇦 853 75 20 Jun 2022 754th sean-niemann 🇺🇸 853 75 19 Nov 2024 756th DialFrost 🇸🇬 851 79 26 Dec 2024 757th ovs-code 🇩🇪 850 62 2 Mar 2024 757th CaedenHarper 🇨🇦 850 62 1 Feb 2025 759th RussellEmerine 850 80 30 Nov 2019 760th btnlq 849 68 16 Jul 2023 760th ovs-code 🇩🇪 849 68 3 Aug 2024 762nd DialFrost 🇸🇬 849 78 26 Dec 2024 763rd NewDefectus 🇮🇱 849 84 16 Dec 2021 764th DialFrost 🇸🇬 849 98 12 days ago 764th Yewzir 🇧🇪 849 98 4 days ago 766th prplz 🇦🇺 846 96 30 Apr 2022 766th elgan65536 846 96 11 Nov 2023 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 Frowny 844 72 3 Jul 2020 775th lifthrasiir 🇰🇷 844 72 13 Nov 2024 777th primo-ppcg 🇹🇭 843 67 27 Mar 2021 777th Steffan153 🇫🇮 843 67 28 Jan 2023 777th edsrzf 🇳🇿 843 67 23 Jun 2025 780th Lydxn 🇨🇦 843 83 10 Oct 2023 780th ovs-code 🇩🇪 843 83 10 Oct 2023 782nd jslip 842 35 5 Sep 2018 782nd rak1507 🇬🇧 842 35 20 Sep 2021 784th villfa 842 75 30 Nov 2018 784th LostSyntax21 🇬🇧 842 75 8 Jan 2025 786th Steffan153 🇫🇮 840 99 28 Jan 2023 786th pardouin 🇫🇷 840 99 21 Sep 2024 786th sean-niemann 🇺🇸 840 99 9 May 2025 789th HumanEquivalentUnit 839 59 10 Oct 2020 790th Laar 839 81 1 Apr 2019 790th alomiF 839 81 5 Oct 2023 790th brimstonetrader 839 81 26 Jan 2024 793rd annaproxy 839 85 18 May 2023 794th MeWhenI 🇻🇦 839 92 10 Oct 2022 795th Yewzir 🇧🇪 838 79 22 Dec 2023 795th albanian-laundromat 838 79 24 Jun 2025 797th AdrienHache 🇫🇷 838 103 7 Jan 2024 798th edsrzf 🇳🇿 837 97 4 Mar 2025 799th SirFireball3521 836 45 22 Mar 2023 800th GrayJoKing 🇦🇺 835 80 15 Jul 2023 801st Shanethegamer 🇺🇸 833 30 13 Jan 2022 802nd PatrickStephansen 🇿🇦 833 72 3 Nov 2020 802nd KatieLG 🇬🇧 833 72 16 Apr 2021 802nd neihousaigaai 833 72 18 Apr 2021 802nd two-bad 🇬🇧 833 72 25 Feb 2024 806th mogron 832 73 13 Dec 2019 806th FlorianCassayre 🇫🇷 832 73 30 Oct 2022 806th StefanHabel 🇨🇦 832 73 11 Dec 2022 809th duckyluuk 🇳🇱 831 73 16 Dec 2024 810th acacopardo 831 76 14 Nov 2017 810th MeWhenI 🇻🇦 831 76 15 Sep 2021 810th DaCuteRaccoon 831 76 30 Nov 2022 813th marshallward 🇺🇸 831 81 2 Sep 2022 814th fuzzylojik-golf 🇺🇸 830 93 30 Aug 2025 815th GrayJoKing 🇦🇺 829 53 10 Apr 2021 815th scpchicken 🇵🇼 829 53 23 May 2021 815th kurkale6ka 829 53 16 Jun 2021 815th sean-niemann 🇺🇸 829 53 7 Sep 2021 815th MeWhenI 🇻🇦 829 53 15 Sep 2021 815th DaCuteRaccoon 829 53 30 Nov 2022 815th Steffan153 🇫🇮 829 53 28 Jan 2023 815th DialFrost 🇸🇬 829 53 28 Jan 2023 815th snoozingnewt 🇺🇸 829 53 1 Sep 2024 815th LostSyntax21 🇬🇧 829 53 8 Jan 2025 815th fuzzylojik-golf 🇺🇸 829 53 21 days ago First Prev 751–825 of 3,061 Next Last