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 Submitted 901st Unremarkable 800 75 10ms 28 Sep 2018 901st ToriTheChicken 800 75 9ms 24 Jul 2020 901st ehouais 800 75 15ms 24 Aug 2020 901st cywong-amino 🇭🇰 800 75 10ms 30 Sep 2020 901st ScottHamper 800 75 9ms 23 May 2021 901st nathanadams 🇳🇿 800 75 11ms 13 Oct 2021 901st shawphy 800 75 9ms 14 Oct 2021 901st tayloia 🇬🇧 800 75 15ms 11 May 2023 901st Yewzir 🇧🇪 800 75 12ms 6 Dec 2023 910th somebody1234 800 95 6ms 20 Nov 2018 910th dokutan 800 95 6ms 15 Jan 2024 910th Yewzir 🇧🇪 800 95 6ms 6 Feb 2024 913th jared-hughes 800 104 462ms 24 Sep 2025 914th lynn 799 66 380ms 17 Feb 2024 915th cbondurant 799 76 10ms 10 May 2021 915th bob-th 799 76 45ms 24 Jan 2023 917th dokutan 798 83 2ms 27 Mar 2024 918th GrayJoKing 🇦🇺 795 88 1ms 9 Oct 2023 919th marcin7Cd 793 90 2ms 17 May 2020 919th dokutan 793 90 2ms 1 May 2024 921st cure-honey 🇯🇵 792 85 44ms 15 Jul 2021 921st primo-ppcg 🇹🇭 792 85 57ms 14 Jan 2025 923rd roavin 790 93 357ms 16 May 2022 924th kevlened 789 76 9ms 22 Oct 2018 924th emgordon154 789 76 10ms 22 Dec 2021 924th inventshah 789 76 15ms 6 May 2022 924th helbling 🇨🇭 789 76 10ms 4 Jul 2024 928th ahmetdemirag 🇨🇾 789 77 53ms 11 Feb 2025 929th GrayJoKing 🇦🇺 789 85 18ms 1 Mar 2021 930th albanian-laundromat 787 67 366ms 10 Aug 2025 931st Andriamanitra 🇫🇮 786 60 58ms 20 Jul 2022 931st Babafaba 786 60 34ms 10 days ago 933rd Shanethegamer 🇺🇸 786 89 2ms 9 Oct 2023 933rd MeWhenI 🇻🇦 786 89 2ms 10 Oct 2023 935th Irratix 🇳🇱 784 91 2ms 19 Dec 2021 936th MeWhenI 🇻🇦 783 63 15ms 11 Nov 2021 937th SirBogman 🇺🇸 783 86 43ms 2 Nov 2022 938th CaedenHarper 🇨🇦 782 71 950ms 11 Sep 2025 938th albanian-laundromat 782 71 793ms 12 hours ago 940th gnuvince 781 32 10ms 2 Aug 2024 940th codereport 🇨🇦 781 32 3ms 21 Apr 2025 942nd FlyingPenguin223 781 86 2ms 27 Oct 2024 943rd guliyevemil1 🇦🇿 781 87 149ms 20 Apr 2020 943rd strout 781 87 176ms 15 Dec 2023 945th Shanethegamer 🇺🇸 780 74 141ms 19 Aug 2024 946th aposteriorist 🇨🇦 780 99 405ms 27 Feb 2022 946th stackofbears 780 99 446ms 5 Mar 2022 948th Natanaelel 🇸🇪 779 64 977ms 19 Sep 2021 949th jakobwitte 779 77 10ms 21 Mar 2018 949th j55d 779 77 11ms 29 Sep 2018 949th Mikaeel66 779 77 12ms 11 Nov 2019 949th ArmaanAS 779 77 10ms 8 Mar 2021 949th Re-Adventures 🇮🇳 779 77 10ms 18 May 2021 954th Waffle3z 779 78 10ms 9 Jul 2021 954th snydej 779 78 31ms 22 Nov 2024 954th InigoK 🇺🇸 779 78 34ms 5 Sep 2025 957th KatieLG 🇬🇧 778 51 2ms 9 Dec 2020 957th msbranicky 778 51 2ms 27 Jul 2023 957th dokutan 778 51 3ms 11 Nov 2023 957th AlephSquirrel 778 51 2ms 27 Jan 2025 961st galloj 🇨🇿 778 107 1ms 28 Aug 2022 962nd Irratix 🇳🇱 778 111 70ms 3 Jan 2022 963rd msbranicky 777 90 2ms 11 Oct 2023 964th bastatom 776 131 291ms 25 Feb 2024 965th yzhs 🇩🇪 774 38 35ms 21 Jun 2022 966th robymus 773 61 47ms 17 Sep 2018 967th Shanethegamer 🇺🇸 772 60 402ms 9 Mar 2023 968th dpatterbee 770 132 292ms 24 Aug 2020 969th shuding 769 78 9ms 4 May 2020 969th igmcdowell 769 78 11ms 20 Dec 2021 969th dylanarmstrong 769 78 10ms 24 Jan 2024 972nd Eilonlif 🇮🇱 769 79 74ms 20 Feb 2023 972nd fkantelberg 769 79 14ms 22 Jul 2023 972nd fgrosshans 🇫🇷 769 79 65ms 23 Jul 2024 972nd EnTerr 769 79 55ms 1 Sep 2024 First Prev 901–975 of 3,074 Next Last