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 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 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 Transpose Sentence 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 Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 Transpose Sentence 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 Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 826th DialFrost 🇸🇬 820 103 16 Feb 2025 827th phdphil 818 46 9 Apr 2018 828th orthoplex 🇨🇽 817 36 20 Jul 2024 829th Frank-Buss 817 93 29 Aug 2020 830th NewDefectus 🇮🇱 813 54 15 Dec 2021 831st Waffle3z 813 58 20 Jan 2021 831st jbbarth 🇫🇷 813 58 8 Oct 2021 831st AlephSquirrel 813 58 14 Apr 2023 831st SirBogman 🇺🇸 813 58 10 Jan 2024 835th GrayJoKing 🇦🇺 813 71 3 Aug 2024 836th MeWhenI 🇻🇦 811 71 25 Jul 2023 837th MeWhenI 🇻🇦 810 65 17 Jan 2024 838th tomtheisen 🇺🇸 810 74 9 Oct 2020 838th weliveinhell 🇭🇹 810 74 3 Sep 2023 838th thisishowmymindworks 🇳🇴 810 74 10 Jun 2024 838th Lv0Sys 🇵🇱 810 74 4 days ago 842nd ListeriaM 810 88 25 Aug 2023 842nd Jonatan6 🇩🇰 810 88 27 Apr 2024 844th Natanaelel 🇸🇪 809 32 22 Jul 2022 844th SirBogman 🇺🇸 809 32 10 Sep 2022 846th mortimervonchappuis 809 75 17 Mar 2020 846th SirFireball3521 809 75 28 Jan 2023 846th AlexanderFair 809 75 2 Jul 2023 846th msbranicky 809 75 25 Jul 2023 850th primo-ppcg 🇹🇭 807 61 9 Feb 2022 851st KenanSi 806 31 24 Feb 2022 851st ashtraypettingzoo 🇺🇸 806 31 5 Apr 2023 853rd DialFrost 🇸🇬 805 62 21 Jan 2025 854th janbehrens 🇩🇪 805 82 26 Nov 2023 855th Yewzir 🇧🇪 804 87 21 Jan 2024 855th rucin93 🇵🇱 804 87 22 Apr 2025 857th MeWhenI 🇻🇦 802 72 3 Aug 2024 858th primo-ppcg 🇹🇭 801 102 25 Jun 2022 859th AlexDaniel 🇪🇪 800 47 5 Apr 2020 859th SirBogman 🇺🇸 800 47 4 Nov 2021 861st somebody1234 800 95 20 Nov 2018 861st dokutan 800 95 15 Jan 2024 861st Yewzir 🇧🇪 800 95 6 Feb 2024 864th adoxography 799 59 22 Jul 2018 864th flavono123 799 59 19 Dec 2019 864th rbviz 799 59 29 Mar 2021 864th Shanethegamer 🇺🇸 799 59 13 Sep 2021 864th OhmNomNom 799 59 13 Oct 2022 864th tatzyr 🇯🇵 799 59 5 Apr 2025 870th Unremarkable 799 75 28 Sep 2018 870th ToriTheChicken 799 75 24 Jul 2020 870th ehouais 799 75 24 Aug 2020 870th cywong-amino 🇭🇰 799 75 30 Sep 2020 870th ScottHamper 799 75 23 May 2021 870th nathanadams 🇳🇿 799 75 13 Oct 2021 870th shawphy 799 75 14 Oct 2021 870th tayloia 🇬🇧 799 75 11 May 2023 870th Yewzir 🇧🇪 799 75 6 Dec 2023 879th cbondurant 799 76 10 May 2021 879th bob-th 799 76 24 Jan 2023 881st lynn 798 66 17 Feb 2024 882nd inventshah 798 146 17 Jun 2022 882nd dokutan 798 146 22 Jan 2024 884th dokutan 795 83 27 Mar 2024 885th GrayJoKing 🇦🇺 795 88 9 Oct 2023 886th Irratix 🇳🇱 793 147 11 Dec 2021 887th marcin7Cd 792 90 17 May 2020 887th dokutan 792 90 1 May 2024 889th cure-honey 🇯🇵 791 85 15 Jul 2021 889th primo-ppcg 🇹🇭 791 85 14 Jan 2025 891st kevlened 789 76 22 Oct 2018 891st emgordon154 789 76 22 Dec 2021 891st inventshah 789 76 6 May 2022 891st KrausRaus 🇺🇸 789 76 26 May 2022 891st helbling 🇨🇭 789 76 4 Jul 2024 896th ahmetdemirag 🇨🇾 788 77 11 Feb 2025 897th GrayJoKing 🇦🇺 787 85 1 Mar 2021 898th Andriamanitra 🇫🇮 786 60 20 Jul 2022 899th Shanethegamer 🇺🇸 786 89 9 Oct 2023 899th MeWhenI 🇻🇦 786 89 10 Oct 2023 Prev 826–900 of 2,858 Next