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 Topological Sort 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 Knight 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 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 Knight 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 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 Topological Sort 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 751st NewDefectus 🇮🇱 849 84 16 Dec 2021 752nd btnlq 848 68 16 Jul 2023 753rd DialFrost 🇸🇬 848 78 26 Dec 2024 754th dokutan 846 102 14 Apr 2024 755th lynn 845 59 25 May 2022 755th DialFrost 🇸🇬 845 59 26 Dec 2024 755th janlelis 845 59 3 days ago 758th jared-hughes 845 71 29 Oct 2021 758th stefangimmillaro 845 71 27 Aug 2022 758th Maznek 845 71 19 Jun 2023 761st prplz 🇦🇺 845 96 30 Apr 2022 761st elgan65536 845 96 11 Nov 2023 763rd Frowny 843 72 3 Jul 2020 763rd lifthrasiir 🇰🇷 843 72 13 Nov 2024 763rd qpwoeirut 843 72 7 days ago 766th Lydxn 🇨🇦 843 83 10 Oct 2023 766th ovs-code 🇩🇪 843 83 10 Oct 2023 768th primo-ppcg 🇹🇭 842 67 27 Mar 2021 768th Steffan153 🇫🇮 842 67 28 Jan 2023 768th edsrzf 🇳🇿 842 67 23 Jun 2025 771st villfa 842 75 30 Nov 2018 771st LostSyntax21 🇬🇧 842 75 8 Jan 2025 773rd emgordon154 841 143 22 Dec 2021 773rd primo-ppcg 🇹🇭 841 143 5 Mar 2022 773rd Yewzir 🇧🇪 841 143 13 Jul 2023 773rd ovs-code 🇩🇪 841 143 10 Sep 2023 777th jslip 840 35 5 Sep 2018 777th rak1507 🇬🇧 840 35 20 Sep 2021 779th HumanEquivalentUnit 839 59 10 Oct 2020 780th Laar 839 81 1 Apr 2019 780th alomiF 839 81 5 Oct 2023 780th brimstonetrader 839 81 26 Jan 2024 783rd annaproxy 839 85 18 May 2023 784th Steffan153 🇫🇮 839 99 28 Jan 2023 784th pardouin 🇫🇷 839 99 21 Sep 2024 784th sean-niemann 🇺🇸 839 99 9 May 2025 787th Yewzir 🇧🇪 837 79 22 Dec 2023 787th albanian-laundromat 837 79 24 Jun 2025 789th MeWhenI 🇻🇦 837 92 10 Oct 2022 790th AdrienHache 🇫🇷 837 103 7 Jan 2024 791st SirFireball3521 836 45 22 Mar 2023 792nd edsrzf 🇳🇿 836 97 4 Mar 2025 793rd emgordon154 835 31 11 Sep 2024 794th GrayJoKing 🇦🇺 835 80 15 Jul 2023 795th jared-hughes 835 144 25 Oct 2022 796th Shanethegamer 🇺🇸 833 30 13 Jan 2022 797th PatrickStephansen 🇿🇦 833 72 3 Nov 2020 797th KatieLG 🇬🇧 833 72 16 Apr 2021 797th neihousaigaai 833 72 18 Apr 2021 797th two-bad 🇬🇧 833 72 25 Feb 2024 801st mogron 832 73 13 Dec 2019 801st FlorianCassayre 🇫🇷 832 73 30 Oct 2022 801st StefanHabel 🇨🇦 832 73 11 Dec 2022 804th acacopardo 831 76 14 Nov 2017 804th MeWhenI 🇻🇦 831 76 15 Sep 2021 804th DaCuteRaccoon 831 76 30 Nov 2022 807th marshallward 🇺🇸 831 81 2 Sep 2022 808th primo-ppcg 🇹🇭 829 67 25 Dec 2020 808th lynn 829 67 18 May 2021 808th Yewzir 🇧🇪 829 67 17 Sep 2023 808th sean-niemann 🇺🇸 829 67 8 Oct 2024 812th duckyluuk 🇳🇱 829 73 16 Dec 2024 813th djeedjay 🇳🇱 829 86 26 Oct 2020 813th Yewzir 🇧🇪 829 86 22 Dec 2023 815th GrayJoKing 🇦🇺 828 53 10 Apr 2021 815th scpchicken 🇵🇼 828 53 23 May 2021 815th kurkale6ka 828 53 16 Jun 2021 815th sean-niemann 🇺🇸 828 53 7 Sep 2021 815th MeWhenI 🇻🇦 828 53 15 Sep 2021 815th DaCuteRaccoon 828 53 30 Nov 2022 815th Steffan153 🇫🇮 828 53 28 Jan 2023 815th DialFrost 🇸🇬 828 53 28 Jan 2023 815th snoozingnewt 🇺🇸 828 53 1 Sep 2024 815th LostSyntax21 🇬🇧 828 53 8 Jan 2025 825th jared-hughes 828 82 11 Sep 2023 Prev 751–825 of 2,960 Next