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 Binary Lambda Calculus Calendar Connect Four Crossword 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 Binary Lambda Calculus Calendar Connect Four Crossword 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 901st KenanSi 806 31 3ms 24 Feb 2022 901st ashtraypettingzoo 🇺🇸 806 31 3ms 5 Apr 2023 903rd DialFrost 🇸🇬 805 62 57ms 21 Jan 2025 904th primo-ppcg 🇹🇭 804 102 27ms 25 Jun 2022 905th Yewzir 🇧🇪 803 87 2ms 21 Jan 2024 905th rucin93 🇵🇱 803 87 2ms 22 Apr 2025 907th MeWhenI 🇻🇦 802 72 126ms 3 Aug 2024 908th AlexDaniel 🇪🇪 801 47 187ms 5 Apr 2020 908th SirBogman 🇺🇸 801 47 134ms 4 Nov 2021 910th jared-hughes 801 104 337ms 24 Sep 2025 911th adoxography 800 59 38ms 22 Jul 2018 911th flavono123 800 59 56ms 19 Dec 2019 911th rbviz 800 59 46ms 29 Mar 2021 911th Shanethegamer 🇺🇸 800 59 51ms 13 Sep 2021 911th OhmNomNom 800 59 36ms 13 Oct 2022 911th tatzyr 🇯🇵 800 59 54ms 5 Apr 2025 917th Unremarkable 800 75 9ms 28 Sep 2018 917th ToriTheChicken 800 75 8ms 24 Jul 2020 917th ehouais 800 75 9ms 24 Aug 2020 917th cywong-amino 🇭🇰 800 75 9ms 30 Sep 2020 917th ScottHamper 800 75 9ms 23 May 2021 917th nathanadams 🇳🇿 800 75 12ms 13 Oct 2021 917th shawphy 800 75 9ms 14 Oct 2021 917th tayloia 🇬🇧 800 75 9ms 11 May 2023 917th Yewzir 🇧🇪 800 75 9ms 6 Dec 2023 926th somebody1234 800 95 6ms 20 Nov 2018 926th dokutan 800 95 6ms 15 Jan 2024 926th Yewzir 🇧🇪 800 95 6ms 6 Feb 2024 929th lynn 799 66 380ms 17 Feb 2024 930th cbondurant 799 76 10ms 10 May 2021 930th bob-th 799 76 43ms 24 Jan 2023 932nd dokutan 798 83 2ms 27 Mar 2024 933rd edsrzf 🇳🇿 797 88 5ms 28 hours ago 934th GrayJoKing 🇦🇺 793 88 1ms 9 Oct 2023 935th marcin7Cd 793 90 2ms 17 May 2020 935th dokutan 793 90 2ms 1 May 2024 937th cure-honey 🇯🇵 792 85 44ms 15 Jul 2021 937th primo-ppcg 🇹🇭 792 85 57ms 14 Jan 2025 939th roavin 790 93 357ms 16 May 2022 940th kevlened 789 76 9ms 22 Oct 2018 940th emgordon154 789 76 9ms 22 Dec 2021 940th inventshah 789 76 8ms 6 May 2022 940th helbling 🇨🇭 789 76 9ms 4 Jul 2024 944th ahmetdemirag 🇨🇾 789 77 49ms 11 Feb 2025 945th GrayJoKing 🇦🇺 789 85 11ms 1 Mar 2021 946th albanian-laundromat 787 67 366ms 10 Aug 2025 947th Andriamanitra 🇫🇮 786 60 58ms 20 Jul 2022 947th Babafaba 786 60 34ms 15 Oct 2025 949th Shanethegamer 🇺🇸 784 89 2ms 9 Oct 2023 949th MeWhenI 🇻🇦 784 89 2ms 10 Oct 2023 951st Irratix 🇳🇱 784 91 2ms 19 Dec 2021 952nd MeWhenI 🇻🇦 783 63 15ms 11 Nov 2021 953rd SirBogman 🇺🇸 783 86 43ms 2 Nov 2022 954th CaedenHarper 🇨🇦 782 71 723ms 11 Sep 2025 954th albanian-laundromat 782 71 607ms 21 days ago 956th CaedenHarper 🇨🇦 782 130 263ms 10 days ago 957th gnuvince 781 32 11ms 2 Aug 2024 957th codereport 🇨🇦 781 32 3ms 21 Apr 2025 959th FlyingPenguin223 781 86 2ms 27 Oct 2024 960th guliyevemil1 🇦🇿 781 87 149ms 20 Apr 2020 960th strout 781 87 176ms 15 Dec 2023 962nd Shanethegamer 🇺🇸 780 74 134ms 19 Aug 2024 963rd aposteriorist 🇨🇦 780 99 405ms 27 Feb 2022 963rd stackofbears 780 99 446ms 5 Mar 2022 965th Natanaelel 🇸🇪 779 64 977ms 19 Sep 2021 966th jakobwitte 779 77 9ms 21 Mar 2018 966th j55d 779 77 8ms 29 Sep 2018 966th Mikaeel66 779 77 12ms 11 Nov 2019 966th ArmaanAS 779 77 9ms 8 Mar 2021 966th Re-Adventures 🇮🇳 779 77 9ms 18 May 2021 971st Waffle3z 779 78 9ms 9 Jul 2021 971st snydej 779 78 34ms 22 Nov 2024 971st InigoK 🇺🇸 779 78 33ms 5 Sep 2025 974th KatieLG 🇬🇧 778 51 2ms 9 Dec 2020 974th msbranicky 778 51 2ms 27 Jul 2023 First Prev 901–975 of 3,097 Next Last