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 750th Steffan153 🇫🇮 842 67 28 Jan 2023 750th edsrzf 🇳🇿 842 67 45 hours ago 753rd villfa 842 75 30 Nov 2018 753rd LostSyntax21 🇬🇧 842 75 8 Jan 2025 755th jslip 840 35 5 Sep 2018 755th SirBogman 🇺🇸 840 35 3 Nov 2019 755th rak1507 🇬🇧 840 35 20 Sep 2021 758th emgordon154 840 143 22 Dec 2021 758th primo-ppcg 🇹🇭 840 143 5 Mar 2022 758th Yewzir 🇧🇪 840 143 13 Jul 2023 758th ovs-code 🇩🇪 840 143 10 Sep 2023 762nd annaproxy 839 85 18 May 2023 763rd HumanEquivalentUnit 838 59 10 Oct 2020 764th Laar 838 81 1 Apr 2019 764th alomiF 838 81 5 Oct 2023 764th brimstonetrader 838 81 26 Jan 2024 767th MeWhenI 🇻🇦 837 92 10 Oct 2022 768th Steffan153 🇫🇮 837 99 28 Jan 2023 768th pardouin 🇫🇷 837 99 21 Sep 2024 768th sean-niemann 🇺🇸 837 99 9 May 2025 771st AdrienHache 🇫🇷 837 103 7 Jan 2024 772nd SirFireball3521 836 45 22 Mar 2023 773rd Yewzir 🇧🇪 836 79 22 Dec 2023 773rd albanian-laundromat 836 79 4 hours ago 775th edsrzf 🇳🇿 836 97 4 Mar 2025 776th emgordon154 835 31 11 Sep 2024 777th jared-hughes 834 144 25 Oct 2022 778th Shanethegamer 🇺🇸 833 30 13 Jan 2022 779th PatrickStephansen 🇿🇦 833 72 3 Nov 2020 779th KatieLG 🇬🇧 833 72 16 Apr 2021 779th neihousaigaai 833 72 18 Apr 2021 779th two-bad 🇬🇧 833 72 25 Feb 2024 783rd GrayJoKing 🇦🇺 833 80 15 Jul 2023 784th mogron 832 73 13 Dec 2019 784th FlorianCassayre 🇫🇷 832 73 30 Oct 2022 784th StefanHabel 🇨🇦 832 73 11 Dec 2022 787th acacopardo 831 76 14 Nov 2017 787th MeWhenI 🇻🇦 831 76 15 Sep 2021 787th DaCuteRaccoon 831 76 30 Nov 2022 790th janlelis 830 60 21 Apr 2021 791st marshallward 🇺🇸 830 81 2 Sep 2022 792nd djeedjay 🇳🇱 829 86 26 Oct 2020 792nd Yewzir 🇧🇪 829 86 22 Dec 2023 794th GrayJoKing 🇦🇺 828 53 10 Apr 2021 794th scpchicken 🇵🇼 828 53 23 May 2021 794th kurkale6ka 828 53 16 Jun 2021 794th sean-niemann 🇺🇸 828 53 7 Sep 2021 794th MeWhenI 🇻🇦 828 53 15 Sep 2021 794th DaCuteRaccoon 828 53 30 Nov 2022 794th Steffan153 🇫🇮 828 53 28 Jan 2023 794th DialFrost 🇸🇬 828 53 28 Jan 2023 794th snoozingnewt 🇺🇸 828 53 1 Sep 2024 794th LostSyntax21 🇬🇧 828 53 8 Jan 2025 804th primo-ppcg 🇹🇭 828 67 25 Dec 2020 804th lynn 828 67 18 May 2021 804th Yewzir 🇧🇪 828 67 17 Sep 2023 804th sean-niemann 🇺🇸 828 67 8 Oct 2024 808th jared-hughes 828 82 11 Sep 2023 809th CLOStrophobic 🇮🇹 828 102 14 Feb 2025 810th anter69 🇭🇺 827 57 3 Aug 2021 810th annaproxy 827 57 27 Aug 2022 810th BREMAUCY 🇫🇷 827 57 26 Mar 2024 813th duckyluuk 🇳🇱 827 73 16 Dec 2024 814th kgodara 827 98 11 Mar 2023 815th inventshah 826 80 9 Sep 2022 816th Shanethegamer 🇺🇸 824 64 25 Apr 2023 817th m-tkach 🇺🇦 823 64 30 Jan 2024 818th didion0 🇺🇸 821 73 22 Apr 2021 818th itsh01 821 73 16 Aug 2021 818th c0d3-4-F00d 🇩🇪 821 73 5 Jan 2022 818th DaCuteRaccoon 821 73 30 Nov 2022 818th janbehrens 🇩🇪 821 73 17 Jun 2023 818th snoozingnewt 🇺🇸 821 73 1 Sep 2024 824th KatieLG 🇬🇧 820 74 5 Nov 2020 824th trist224 🇫🇷 820 74 15 Nov 2022 Prev 751–825 of 2,889 Next