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 751st clockworknazo 854 82 5ms 13 Oct 2022 751st ovs-code 🇩🇪 854 82 6ms 7 Feb 2023 751st Lydxn 🇨🇦 854 82 6ms 28 Feb 2023 754th ScottHamper 854 86 349ms 21 Nov 2021 755th MeWhenI 🇻🇦 853 75 40ms 20 Jun 2022 755th sean-niemann 🇺🇸 853 75 42ms 19 Nov 2024 757th ovs-code 🇩🇪 851 62 412ms 2 Mar 2024 757th CaedenHarper 🇨🇦 851 62 408ms 1 Feb 2025 759th DialFrost 🇸🇬 851 79 2ms 26 Dec 2024 760th RussellEmerine 850 80 155ms 30 Nov 2019 760th iczelia 🇩🇪 850 80 173ms 14 days ago 762nd btnlq 849 68 3ms 16 Jul 2023 762nd ovs-code 🇩🇪 849 68 169ms 3 Aug 2024 764th DialFrost 🇸🇬 849 78 2ms 26 Dec 2024 765th NewDefectus 🇮🇱 849 84 2ms 16 Dec 2021 766th DialFrost 🇸🇬 849 98 364ms 24 Sep 2025 766th Yewzir 🇧🇪 849 98 420ms 2 Oct 2025 768th prplz 🇦🇺 847 96 121ms 30 Apr 2022 768th elgan65536 847 96 134ms 11 Nov 2023 770th dokutan 846 102 67ms 14 Apr 2024 771st lynn 845 59 888ms 25 May 2022 771st DialFrost 🇸🇬 845 59 907ms 26 Dec 2024 771st janlelis 845 59 884ms 14 Aug 2025 774th jared-hughes 845 71 10ms 29 Oct 2021 774th stefangimmillaro 845 71 9ms 27 Aug 2022 774th Maznek 845 71 12ms 19 Jun 2023 774th KrausRaus 🇺🇸 845 71 10ms 20 days ago 778th Frowny 844 72 13ms 3 Jul 2020 778th lifthrasiir 🇰🇷 844 72 10ms 13 Nov 2024 780th primo-ppcg 🇹🇭 843 67 116ms 27 Mar 2021 780th Steffan153 🇫🇮 843 67 115ms 28 Jan 2023 780th edsrzf 🇳🇿 843 67 113ms 23 Jun 2025 783rd Lydxn 🇨🇦 843 83 2ms 10 Oct 2023 783rd ovs-code 🇩🇪 843 83 5ms 10 Oct 2023 785th villfa 842 75 13ms 30 Nov 2018 785th LostSyntax21 🇬🇧 842 75 13ms 8 Jan 2025 787th jslip 841 35 36ms 5 Sep 2018 787th rak1507 🇬🇧 841 35 37ms 20 Sep 2021 789th Steffan153 🇫🇮 841 99 2ms 28 Jan 2023 789th pardouin 🇫🇷 841 99 1ms 21 Sep 2024 789th sean-niemann 🇺🇸 841 99 1ms 9 May 2025 789th Jacob385 841 99 531ms 6 days ago 793rd HumanEquivalentUnit 839 59 288ms 10 Oct 2020 794th Laar 839 81 177ms 1 Apr 2019 794th alomiF 839 81 171ms 5 Oct 2023 794th brimstonetrader 839 81 134ms 26 Jan 2024 797th annaproxy 839 85 2ms 18 May 2023 798th MeWhenI 🇻🇦 839 92 450ms 10 Oct 2022 799th Yewzir 🇧🇪 838 79 3ms 22 Dec 2023 799th albanian-laundromat 838 79 2ms 24 Jun 2025 801st edsrzf 🇳🇿 838 97 120ms 4 Mar 2025 802nd AdrienHache 🇫🇷 838 103 55ms 7 Jan 2024 803rd SirFireball3521 836 45 147ms 22 Mar 2023 804th GrayJoKing 🇦🇺 836 80 124ms 15 Jul 2023 805th Shanethegamer 🇺🇸 833 30 3ms 13 Jan 2022 806th PatrickStephansen 🇿🇦 833 72 13ms 3 Nov 2020 806th KatieLG 🇬🇧 833 72 9ms 16 Apr 2021 806th neihousaigaai 833 72 10ms 18 Apr 2021 806th two-bad 🇬🇧 833 72 11ms 25 Feb 2024 810th mogron 832 73 12ms 13 Dec 2019 810th FlorianCassayre 🇫🇷 832 73 12ms 30 Oct 2022 810th StefanHabel 🇨🇦 832 73 10ms 11 Dec 2022 810th DrakeSeteraO 832 73 9ms 9 days ago 814th duckyluuk 🇳🇱 831 73 5ms 16 Dec 2024 815th acacopardo 831 76 13ms 14 Nov 2017 815th MeWhenI 🇻🇦 831 76 13ms 15 Sep 2021 815th DaCuteRaccoon 831 76 13ms 30 Nov 2022 818th marshallward 🇺🇸 831 81 41ms 2 Sep 2022 819th djeedjay 🇳🇱 830 86 2ms 26 Oct 2020 819th Yewzir 🇧🇪 830 86 2ms 22 Dec 2023 821st fuzzylojik-golf 🇺🇸 830 93 433ms 30 Aug 2025 822nd kgodara 830 98 125ms 11 Mar 2023 823rd GrayJoKing 🇦🇺 829 53 18ms 10 Apr 2021 823rd scpchicken 🇵🇼 829 53 32ms 23 May 2021 823rd kurkale6ka 829 53 19ms 16 Jun 2021 First Prev 751–825 of 3,081 Next Last