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 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 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 DialFrost 🇸🇬 805 62 57ms 21 Jan 2025 902nd primo-ppcg 🇹🇭 804 102 27ms 25 Jun 2022 903rd MeWhenI 🇻🇦 802 72 126ms 3 Aug 2024 904th AlexDaniel 🇪🇪 801 47 187ms 5 Apr 2020 904th SirBogman 🇺🇸 801 47 134ms 4 Nov 2021 906th Yewzir 🇧🇪 801 87 2ms 21 Jan 2024 906th rucin93 🇵🇱 801 87 2ms 22 Apr 2025 908th jared-hughes 801 104 337ms 24 Sep 2025 909th adoxography 800 59 38ms 22 Jul 2018 909th flavono123 800 59 56ms 19 Dec 2019 909th rbviz 800 59 46ms 29 Mar 2021 909th Shanethegamer 🇺🇸 800 59 51ms 13 Sep 2021 909th OhmNomNom 800 59 36ms 13 Oct 2022 909th tatzyr 🇯🇵 800 59 54ms 5 Apr 2025 915th Unremarkable 800 75 9ms 28 Sep 2018 915th ToriTheChicken 800 75 8ms 24 Jul 2020 915th ehouais 800 75 9ms 24 Aug 2020 915th cywong-amino 🇭🇰 800 75 9ms 30 Sep 2020 915th ScottHamper 800 75 9ms 23 May 2021 915th nathanadams 🇳🇿 800 75 12ms 13 Oct 2021 915th shawphy 800 75 9ms 14 Oct 2021 915th tayloia 🇬🇧 800 75 9ms 11 May 2023 915th Yewzir 🇧🇪 800 75 9ms 6 Dec 2023 924th somebody1234 800 95 6ms 20 Nov 2018 924th dokutan 800 95 6ms 15 Jan 2024 924th Yewzir 🇧🇪 800 95 6ms 6 Feb 2024 927th lynn 799 66 380ms 17 Feb 2024 928th cbondurant 799 76 10ms 10 May 2021 928th bob-th 799 76 45ms 24 Jan 2023 930th dokutan 798 83 2ms 27 Mar 2024 931st marcin7Cd 793 90 2ms 17 May 2020 931st dokutan 793 90 2ms 1 May 2024 933rd cure-honey 🇯🇵 792 85 44ms 15 Jul 2021 933rd primo-ppcg 🇹🇭 792 85 57ms 14 Jan 2025 935th GrayJoKing 🇦🇺 792 88 1ms 9 Oct 2023 936th roavin 790 93 357ms 16 May 2022 937th kevlened 789 76 9ms 22 Oct 2018 937th emgordon154 789 76 9ms 22 Dec 2021 937th inventshah 789 76 8ms 6 May 2022 937th helbling 🇨🇭 789 76 9ms 4 Jul 2024 941st ahmetdemirag 🇨🇾 789 77 53ms 11 Feb 2025 942nd GrayJoKing 🇦🇺 789 85 11ms 1 Mar 2021 943rd albanian-laundromat 787 67 366ms 10 Aug 2025 944th Andriamanitra 🇫🇮 786 60 58ms 20 Jul 2022 944th Babafaba 786 60 34ms 15 Oct 2025 946th Irratix 🇳🇱 784 91 2ms 19 Dec 2021 947th MeWhenI 🇻🇦 783 63 15ms 11 Nov 2021 948th SirBogman 🇺🇸 783 86 43ms 2 Nov 2022 949th Shanethegamer 🇺🇸 783 89 2ms 9 Oct 2023 949th MeWhenI 🇻🇦 783 89 2ms 10 Oct 2023 951st CaedenHarper 🇨🇦 782 71 723ms 11 Sep 2025 951st albanian-laundromat 782 71 607ms 18 days ago 953rd CaedenHarper 🇨🇦 782 130 263ms 7 days ago 954th gnuvince 781 32 11ms 2 Aug 2024 954th codereport 🇨🇦 781 32 3ms 21 Apr 2025 956th FlyingPenguin223 781 86 2ms 27 Oct 2024 957th guliyevemil1 🇦🇿 781 87 149ms 20 Apr 2020 957th strout 781 87 176ms 15 Dec 2023 959th Shanethegamer 🇺🇸 780 74 134ms 19 Aug 2024 960th aposteriorist 🇨🇦 780 99 405ms 27 Feb 2022 960th stackofbears 780 99 446ms 5 Mar 2022 962nd Natanaelel 🇸🇪 779 64 977ms 19 Sep 2021 963rd jakobwitte 779 77 9ms 21 Mar 2018 963rd j55d 779 77 8ms 29 Sep 2018 963rd Mikaeel66 779 77 12ms 11 Nov 2019 963rd ArmaanAS 779 77 9ms 8 Mar 2021 963rd Re-Adventures 🇮🇳 779 77 9ms 18 May 2021 968th Waffle3z 779 78 10ms 9 Jul 2021 968th snydej 779 78 31ms 22 Nov 2024 968th InigoK 🇺🇸 779 78 34ms 5 Sep 2025 971st KatieLG 🇬🇧 778 51 2ms 9 Dec 2020 971st msbranicky 778 51 2ms 27 Jul 2023 971st dokutan 778 51 3ms 11 Nov 2023 971st AlephSquirrel 778 51 2ms 27 Jan 2025 975th galloj 🇨🇿 778 107 1ms 28 Aug 2022 First Prev 901–975 of 3,094 Next Last