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 900th SirBogman 🇺🇸 801 47 134ms 4 Nov 2021 902nd adoxography 800 59 38ms 22 Jul 2018 902nd flavono123 800 59 56ms 19 Dec 2019 902nd rbviz 800 59 46ms 29 Mar 2021 902nd Shanethegamer 🇺🇸 800 59 51ms 13 Sep 2021 902nd OhmNomNom 800 59 36ms 13 Oct 2022 902nd tatzyr 🇯🇵 800 59 54ms 5 Apr 2025 908th Unremarkable 800 75 10ms 28 Sep 2018 908th ToriTheChicken 800 75 9ms 24 Jul 2020 908th ehouais 800 75 15ms 24 Aug 2020 908th cywong-amino 🇭🇰 800 75 10ms 30 Sep 2020 908th ScottHamper 800 75 9ms 23 May 2021 908th nathanadams 🇳🇿 800 75 11ms 13 Oct 2021 908th shawphy 800 75 9ms 14 Oct 2021 908th tayloia 🇬🇧 800 75 15ms 11 May 2023 908th Yewzir 🇧🇪 800 75 12ms 6 Dec 2023 917th somebody1234 800 95 6ms 20 Nov 2018 917th dokutan 800 95 6ms 15 Jan 2024 917th Yewzir 🇧🇪 800 95 6ms 6 Feb 2024 920th jared-hughes 800 104 359ms 24 Sep 2025 921st lynn 799 66 380ms 17 Feb 2024 922nd cbondurant 799 76 10ms 10 May 2021 922nd bob-th 799 76 45ms 24 Jan 2023 924th dokutan 798 83 2ms 27 Mar 2024 925th GrayJoKing 🇦🇺 795 88 1ms 9 Oct 2023 926th marcin7Cd 793 90 2ms 17 May 2020 926th dokutan 793 90 2ms 1 May 2024 928th cure-honey 🇯🇵 792 85 44ms 15 Jul 2021 928th primo-ppcg 🇹🇭 792 85 57ms 14 Jan 2025 930th roavin 790 93 357ms 16 May 2022 931st kevlened 789 76 9ms 22 Oct 2018 931st emgordon154 789 76 10ms 22 Dec 2021 931st inventshah 789 76 15ms 6 May 2022 931st helbling 🇨🇭 789 76 10ms 4 Jul 2024 935th ahmetdemirag 🇨🇾 789 77 53ms 11 Feb 2025 936th GrayJoKing 🇦🇺 789 85 18ms 1 Mar 2021 937th albanian-laundromat 787 67 366ms 10 Aug 2025 938th Andriamanitra 🇫🇮 786 60 58ms 20 Jul 2022 938th Babafaba 786 60 34ms 21 days ago 940th Shanethegamer 🇺🇸 786 89 2ms 9 Oct 2023 940th MeWhenI 🇻🇦 786 89 2ms 10 Oct 2023 942nd Irratix 🇳🇱 784 91 2ms 19 Dec 2021 943rd MeWhenI 🇻🇦 783 63 15ms 11 Nov 2021 944th SirBogman 🇺🇸 783 86 43ms 2 Nov 2022 945th CaedenHarper 🇨🇦 782 71 1,440ms 11 Sep 2025 945th albanian-laundromat 782 71 636ms 11 days ago 947th CaedenHarper 🇨🇦 782 130 246ms 15 hours ago 948th gnuvince 781 32 9ms 2 Aug 2024 948th codereport 🇨🇦 781 32 3ms 21 Apr 2025 950th FlyingPenguin223 781 86 2ms 27 Oct 2024 951st guliyevemil1 🇦🇿 781 87 149ms 20 Apr 2020 951st strout 781 87 176ms 15 Dec 2023 953rd Shanethegamer 🇺🇸 780 74 151ms 19 Aug 2024 954th aposteriorist 🇨🇦 780 99 405ms 27 Feb 2022 954th stackofbears 780 99 446ms 5 Mar 2022 956th Natanaelel 🇸🇪 779 64 977ms 19 Sep 2021 957th jakobwitte 779 77 10ms 21 Mar 2018 957th j55d 779 77 11ms 29 Sep 2018 957th Mikaeel66 779 77 12ms 11 Nov 2019 957th ArmaanAS 779 77 10ms 8 Mar 2021 957th Re-Adventures 🇮🇳 779 77 10ms 18 May 2021 962nd Waffle3z 779 78 10ms 9 Jul 2021 962nd snydej 779 78 31ms 22 Nov 2024 962nd InigoK 🇺🇸 779 78 34ms 5 Sep 2025 965th KatieLG 🇬🇧 778 51 2ms 9 Dec 2020 965th msbranicky 778 51 2ms 27 Jul 2023 965th dokutan 778 51 3ms 11 Nov 2023 965th AlephSquirrel 778 51 2ms 27 Jan 2025 969th galloj 🇨🇿 778 107 1ms 28 Aug 2022 970th Irratix 🇳🇱 778 111 70ms 3 Jan 2022 971st msbranicky 777 90 2ms 11 Oct 2023 972nd bastatom 776 131 291ms 25 Feb 2024 973rd yzhs 🇩🇪 774 38 35ms 21 Jun 2022 974th robymus 773 61 47ms 17 Sep 2018 975th Shanethegamer 🇺🇸 772 60 402ms 9 Mar 2023 First Prev 901–975 of 3,081 Next Last