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 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 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 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 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 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 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 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 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 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 821st snoozingnewt 🇺🇸 821 73 1 Sep 2024 827th KatieLG 🇬🇧 820 74 5 Nov 2020 827th trist224 🇫🇷 820 74 15 Nov 2022 827th QuincyNash 🇺🇸 820 74 29 Nov 2022 830th targrik 820 77 15 Jan 2025 831st AaronGarbut 820 87 30 Jul 2019 832nd DialFrost 🇸🇬 820 103 16 Feb 2025 833rd phdphil 818 46 9 Apr 2018 834th orthoplex 🇨🇽 817 36 20 Jul 2024 835th Frank-Buss 817 93 29 Aug 2020 836th NewDefectus 🇮🇱 813 54 15 Dec 2021 837th Waffle3z 813 58 20 Jan 2021 837th jbbarth 🇫🇷 813 58 8 Oct 2021 837th AlephSquirrel 813 58 14 Apr 2023 837th SirBogman 🇺🇸 813 58 10 Jan 2024 841st GrayJoKing 🇦🇺 813 71 3 Aug 2024 842nd MeWhenI 🇻🇦 811 71 25 Jul 2023 843rd MeWhenI 🇻🇦 810 65 17 Jan 2024 844th tomtheisen 🇺🇸 810 74 9 Oct 2020 844th weliveinhell 🇭🇹 810 74 3 Sep 2023 844th thisishowmymindworks 🇳🇴 810 74 10 Jun 2024 844th Lv0Sys 🇵🇱 810 74 31 May 2025 848th mortimervonchappuis 810 75 17 Mar 2020 848th SirFireball3521 810 75 28 Jan 2023 848th AlexanderFair 810 75 2 Jul 2023 848th msbranicky 810 75 25 Jul 2023 852nd ListeriaM 810 88 25 Aug 2023 852nd Jonatan6 🇩🇰 810 88 27 Apr 2024 854th Natanaelel 🇸🇪 809 32 22 Jul 2022 854th SirBogman 🇺🇸 809 32 10 Sep 2022 856th primo-ppcg 🇹🇭 807 61 9 Feb 2022 857th KenanSi 806 31 24 Feb 2022 857th ashtraypettingzoo 🇺🇸 806 31 5 Apr 2023 859th DialFrost 🇸🇬 805 62 21 Jan 2025 860th janbehrens 🇩🇪 805 82 26 Nov 2023 861st Yewzir 🇧🇪 804 87 21 Jan 2024 861st rucin93 🇵🇱 804 87 22 Apr 2025 863rd MeWhenI 🇻🇦 802 72 3 Aug 2024 864th primo-ppcg 🇹🇭 801 102 25 Jun 2022 865th AlexDaniel 🇪🇪 800 47 5 Apr 2020 865th SirBogman 🇺🇸 800 47 4 Nov 2021 867th Unremarkable 800 75 28 Sep 2018 867th ToriTheChicken 800 75 24 Jul 2020 867th ehouais 800 75 24 Aug 2020 867th cywong-amino 🇭🇰 800 75 30 Sep 2020 867th ScottHamper 800 75 23 May 2021 867th nathanadams 🇳🇿 800 75 13 Oct 2021 867th shawphy 800 75 14 Oct 2021 867th tayloia 🇬🇧 800 75 11 May 2023 867th Yewzir 🇧🇪 800 75 6 Dec 2023 876th somebody1234 800 95 20 Nov 2018 876th dokutan 800 95 15 Jan 2024 876th Yewzir 🇧🇪 800 95 6 Feb 2024 879th adoxography 799 59 22 Jul 2018 879th flavono123 799 59 19 Dec 2019 879th rbviz 799 59 29 Mar 2021 879th Shanethegamer 🇺🇸 799 59 13 Sep 2021 879th OhmNomNom 799 59 13 Oct 2022 879th tatzyr 🇯🇵 799 59 5 Apr 2025 885th cbondurant 799 76 10 May 2021 885th bob-th 799 76 24 Jan 2023 887th lynn 798 66 17 Feb 2024 888th inventshah 798 146 17 Jun 2022 888th dokutan 798 146 22 Jan 2024 890th dokutan 796 83 27 Mar 2024 891st GrayJoKing 🇦🇺 795 88 9 Oct 2023 892nd Irratix 🇳🇱 793 147 11 Dec 2021 893rd marcin7Cd 792 90 17 May 2020 893rd dokutan 792 90 1 May 2024 895th cure-honey 🇯🇵 791 85 15 Jul 2021 895th primo-ppcg 🇹🇭 791 85 14 Jan 2025 897th kevlened 789 76 22 Oct 2018 897th emgordon154 789 76 22 Dec 2021 897th inventshah 789 76 6 May 2022 897th KrausRaus 🇺🇸 789 76 26 May 2022 Prev 826–900 of 2,896 Next