Happy Numbers in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Tower of Hanoi 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 Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 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 Erlang 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 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 Tower of Hanoi 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 Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 823rd snoozingnewt 🇨🇦 843 67 136ms 10 days ago 827th snoozingnewt 🇨🇦 842 66 714ms 10 days ago 828th villfa 842 75 14ms 30 Nov 2018 828th LostSyntax21 🇬🇧 842 75 14ms 8 Jan 2025 830th Jacob385 842 99 431ms 27 Oct 2025 831st jslip 841 35 33ms 5 Sep 2018 831st rak1507 🇬🇧 841 35 34ms 20 Sep 2021 833rd ovs-code 🇩🇪 841 82 5ms 20 days ago 834th Steffan153 🇫🇮 841 99 1ms 28 Jan 2023 834th pardouin 🇫🇷 841 99 1ms 21 Sep 2024 834th sean-niemann 🇺🇸 841 99 1ms 9 May 2025 837th snoozingnewt 🇨🇦 840 80 2ms 10 days ago 838th annaproxy 840 85 2ms 18 May 2023 839th HumanEquivalentUnit 839 59 307ms 10 Oct 2020 840th Laar 839 81 137ms 1 Apr 2019 840th alomiF 839 81 136ms 5 Oct 2023 840th brimstonetrader 839 81 115ms 26 Jan 2024 843rd MeWhenI 🇻🇦 839 92 450ms 10 Oct 2022 844th AdrienHache 🇫🇷 839 103 52ms 7 Jan 2024 845th Yewzir 🇧🇪 838 79 2ms 22 Dec 2023 845th albanian-laundromat 838 79 2ms 24 Jun 2025 847th edsrzf 🇳🇿 838 97 155ms 4 Mar 2025 848th SirFireball3521 836 45 199ms 22 Mar 2023 849th GrayJoKing 🇦🇺 836 80 100ms 15 Jul 2023 850th snoozingnewt 🇨🇦 835 84 3ms 3 hours ago 851st Shanethegamer 🇺🇸 833 30 3ms 13 Jan 2022 852nd PatrickStephansen 🇿🇦 833 72 10ms 3 Nov 2020 852nd KatieLG 🇬🇧 833 72 10ms 16 Apr 2021 852nd neihousaigaai 833 72 10ms 18 Apr 2021 852nd two-bad 🇬🇧 833 72 10ms 25 Feb 2024 856th mogron 832 73 9ms 13 Dec 2019 856th FlorianCassayre 🇫🇷 832 73 9ms 30 Oct 2022 856th StefanHabel 🇨🇦 832 73 9ms 11 Dec 2022 856th DrakeSeteraO 832 73 9ms 25 Oct 2025 860th duckyluuk 🇳🇱 831 73 4ms 16 Dec 2024 861st acacopardo 831 76 13ms 14 Nov 2017 861st MeWhenI 🇻🇦 831 76 14ms 15 Sep 2021 861st DaCuteRaccoon 831 76 15ms 30 Nov 2022 864th marshallward 🇺🇸 831 81 39ms 2 Sep 2022 865th Lydxn 🇨🇦 831 83 1ms 10 Oct 2023 866th djeedjay 🇳🇱 830 86 2ms 26 Oct 2020 866th Yewzir 🇧🇪 830 86 2ms 22 Dec 2023 868th fuzzylojik-golf 🇺🇸 830 93 433ms 30 Aug 2025 869th kgodara 830 98 166ms 11 Mar 2023 870th CLOStrophobic 🇮🇹 830 102 42ms 14 Feb 2025 871st GrayJoKing 🇦🇺 829 53 23ms 10 Apr 2021 871st scpchicken 🇵🇼 829 53 31ms 23 May 2021 871st kurkale6ka 829 53 18ms 16 Jun 2021 871st sean-niemann 🇺🇸 829 53 30ms 7 Sep 2021 871st MeWhenI 🇻🇦 829 53 31ms 15 Sep 2021 871st DaCuteRaccoon 829 53 32ms 30 Nov 2022 871st Steffan153 🇫🇮 829 53 31ms 28 Jan 2023 871st DialFrost 🇸🇬 829 53 32ms 28 Jan 2023 871st snoozingnewt 🇨🇦 829 53 33ms 1 Sep 2024 871st LostSyntax21 🇬🇧 829 53 31ms 8 Jan 2025 871st fuzzylojik-golf 🇺🇸 829 53 18ms 15 Sep 2025 882nd primo-ppcg 🇹🇭 829 67 89ms 25 Dec 2020 882nd lynn 829 67 116ms 18 May 2021 882nd Yewzir 🇧🇪 829 67 98ms 17 Sep 2023 882nd sean-niemann 🇺🇸 829 67 95ms 8 Oct 2024 886th jared-hughes 829 82 116ms 11 Sep 2023 887th anter69 🇭🇺 828 57 33ms 3 Aug 2021 887th annaproxy 828 57 32ms 27 Aug 2022 887th BREMAUCY 🇫🇷 828 57 32ms 26 Mar 2024 890th inventshah 827 80 2ms 9 Sep 2022 891st Shanethegamer 🇺🇸 826 64 3ms 25 Apr 2023 892nd m-tkach 🇺🇦 825 64 323ms 30 Jan 2024 893rd dokutan 825 101 500ms 24 Sep 2025 894th didion0 🇺🇸 822 73 12ms 22 Apr 2021 894th itsh01 822 73 12ms 16 Aug 2021 894th c0d3-4-F00d 🇩🇪 822 73 9ms 5 Jan 2022 894th DaCuteRaccoon 822 73 9ms 30 Nov 2022 894th janbehrens 🇩🇪 822 73 9ms 17 Jun 2023 894th Yax42 🇫🇷 822 73 9ms 27 days ago 900th DialFrost 🇸🇬 822 103 41ms 16 Feb 2025 First Prev 826–900 of 3,138 Next Last