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 Minesweeper 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi 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 Minesweeper 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 749th jkelly467 854 71 1,958ms 28 hours ago 752nd clockworknazo 854 82 5ms 13 Oct 2022 752nd ovs-code 🇩🇪 854 82 6ms 7 Feb 2023 752nd Lydxn 🇨🇦 854 82 6ms 28 Feb 2023 755th ScottHamper 854 86 349ms 21 Nov 2021 756th MeWhenI 🇻🇦 853 75 40ms 20 Jun 2022 756th sean-niemann 🇺🇸 853 75 42ms 19 Nov 2024 758th ovs-code 🇩🇪 851 62 412ms 2 Mar 2024 758th CaedenHarper 🇨🇦 851 62 408ms 1 Feb 2025 760th DialFrost 🇸🇬 851 79 2ms 26 Dec 2024 761st RussellEmerine 850 80 155ms 30 Nov 2019 761st iczelia 🇩🇪 850 80 173ms 14 days ago 763rd btnlq 849 68 3ms 16 Jul 2023 763rd ovs-code 🇩🇪 849 68 139ms 3 Aug 2024 765th DialFrost 🇸🇬 849 78 2ms 26 Dec 2024 766th NewDefectus 🇮🇱 849 84 2ms 16 Dec 2021 767th DialFrost 🇸🇬 849 98 364ms 24 Sep 2025 767th Yewzir 🇧🇪 849 98 420ms 2 Oct 2025 769th prplz 🇦🇺 847 96 121ms 30 Apr 2022 769th elgan65536 847 96 125ms 11 Nov 2023 771st dokutan 846 102 67ms 14 Apr 2024 772nd lynn 845 59 888ms 25 May 2022 772nd DialFrost 🇸🇬 845 59 907ms 26 Dec 2024 772nd janlelis 845 59 884ms 14 Aug 2025 775th jared-hughes 845 71 10ms 29 Oct 2021 775th stefangimmillaro 845 71 9ms 27 Aug 2022 775th Maznek 845 71 12ms 19 Jun 2023 775th KrausRaus 🇺🇸 845 71 10ms 21 days ago 779th Frowny 844 72 13ms 3 Jul 2020 779th lifthrasiir 🇰🇷 844 72 10ms 13 Nov 2024 781st primo-ppcg 🇹🇭 843 67 116ms 27 Mar 2021 781st Steffan153 🇫🇮 843 67 115ms 28 Jan 2023 781st edsrzf 🇳🇿 843 67 113ms 23 Jun 2025 784th Lydxn 🇨🇦 843 83 2ms 10 Oct 2023 784th ovs-code 🇩🇪 843 83 5ms 10 Oct 2023 786th villfa 842 75 13ms 30 Nov 2018 786th LostSyntax21 🇬🇧 842 75 13ms 8 Jan 2025 788th jslip 841 35 36ms 5 Sep 2018 788th rak1507 🇬🇧 841 35 37ms 20 Sep 2021 790th Steffan153 🇫🇮 841 99 2ms 28 Jan 2023 790th pardouin 🇫🇷 841 99 1ms 21 Sep 2024 790th sean-niemann 🇺🇸 841 99 1ms 9 May 2025 790th Jacob385 841 99 458ms 7 days ago 794th HumanEquivalentUnit 839 59 288ms 10 Oct 2020 795th Laar 839 81 177ms 1 Apr 2019 795th alomiF 839 81 171ms 5 Oct 2023 795th brimstonetrader 839 81 134ms 26 Jan 2024 798th annaproxy 839 85 2ms 18 May 2023 799th MeWhenI 🇻🇦 839 92 450ms 10 Oct 2022 800th Yewzir 🇧🇪 838 79 3ms 22 Dec 2023 800th albanian-laundromat 838 79 2ms 24 Jun 2025 802nd edsrzf 🇳🇿 838 97 120ms 4 Mar 2025 803rd AdrienHache 🇫🇷 838 103 55ms 7 Jan 2024 804th SirFireball3521 836 45 147ms 22 Mar 2023 805th GrayJoKing 🇦🇺 836 80 124ms 15 Jul 2023 806th Shanethegamer 🇺🇸 833 30 3ms 13 Jan 2022 807th PatrickStephansen 🇿🇦 833 72 13ms 3 Nov 2020 807th KatieLG 🇬🇧 833 72 9ms 16 Apr 2021 807th neihousaigaai 833 72 10ms 18 Apr 2021 807th two-bad 🇬🇧 833 72 11ms 25 Feb 2024 811th mogron 832 73 12ms 13 Dec 2019 811th FlorianCassayre 🇫🇷 832 73 12ms 30 Oct 2022 811th StefanHabel 🇨🇦 832 73 10ms 11 Dec 2022 811th DrakeSeteraO 832 73 9ms 10 days ago 815th duckyluuk 🇳🇱 831 73 5ms 16 Dec 2024 816th acacopardo 831 76 13ms 14 Nov 2017 816th MeWhenI 🇻🇦 831 76 13ms 15 Sep 2021 816th DaCuteRaccoon 831 76 13ms 30 Nov 2022 819th marshallward 🇺🇸 831 81 41ms 2 Sep 2022 820th djeedjay 🇳🇱 830 86 2ms 26 Oct 2020 820th Yewzir 🇧🇪 830 86 2ms 22 Dec 2023 822nd fuzzylojik-golf 🇺🇸 830 93 433ms 30 Aug 2025 823rd kgodara 830 98 125ms 11 Mar 2023 824th GrayJoKing 🇦🇺 829 53 18ms 10 Apr 2021 824th scpchicken 🇵🇼 829 53 32ms 23 May 2021 First Prev 751–825 of 3,080 Next Last