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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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 600th emplv 🇱🇻 890 71 4ms 21 Jul 2022 602nd GrayJoKing 🇦🇺 890 72 45ms 14 Jun 2022 602nd primo-ppcg 🇹🇭 890 72 39ms 21 Jun 2022 602nd 386asm 🇺🇸 890 72 38ms 4 May 2023 605th GrayJoKing 🇦🇺 889 65 3ms 26 Jul 2023 606th Shanethegamer 🇺🇸 888 147 10ms 1 Aug 2023 606th MeWhenI 🇻🇦 888 147 10ms 1 Aug 2023 606th Lydxn 🇨🇦 888 147 10ms 1 Aug 2023 606th JayXon 🇺🇸 888 147 10ms 2 Aug 2023 606th Steffan153 🇫🇮 888 147 10ms 2 Aug 2023 606th janbehrens 🇩🇪 888 147 10ms 2 Aug 2023 606th GrayJoKing 🇦🇺 888 147 10ms 11 Aug 2023 606th BREMAUCY 🇫🇷 888 147 10ms 7 Sep 2023 606th dokutan 888 147 10ms 26 Oct 2023 606th Yewzir 🇧🇪 888 147 10ms 12 Mar 2024 606th HumanoidCPU 888 147 10ms 13 May 2024 606th pardouin 🇫🇷 888 147 10ms 20 Aug 2024 606th KatieLG 🇬🇧 888 147 10ms 26 Sep 2024 606th emgordon154 888 147 10ms 4 Dec 2024 606th CaedenHarper 🇨🇦 888 147 10ms 24 Jan 2025 606th rucin93 🇵🇱 888 147 10ms 23 Apr 2025 606th albanian-laundromat 888 147 10ms 20 Jul 2025 606th Babafaba 888 147 10ms 24 Oct 2025 606th GolfingSuccess 🇬🇷 888 147 10ms 20 days ago 625th Shanethegamer 🇺🇸 887 78 95ms 21 days ago 625th emgordon154 887 78 98ms 41 hours ago 625th GolfingSuccess 🇬🇷 887 78 88ms 23 hours ago 625th edsrzf 🇳🇿 887 78 89ms 23 hours ago 625th DialFrost 🇸🇬 887 78 90ms 8 hours ago 630th ovs-code 🇩🇪 887 87 495ms 29 Jul 2024 631st MeWhenI 🇻🇦 886 76 45ms 16 May 2023 632nd MeWhenI 🇻🇦 885 52 69ms 2 Nov 2023 632nd Yewzir 🇧🇪 885 52 81ms 7 Mar 2024 632nd edsrzf 🇳🇿 885 52 74ms 17 Jan 2025 632nd fuzzylojik-golf 🇺🇸 885 52 74ms 17 Sep 2025 636th Shanethegamer 🇺🇸 885 83 309ms 12 May 2023 636th janbehrens 🇩🇪 885 83 314ms 26 Nov 2023 636th Yewzir 🇧🇪 885 83 334ms 11 Feb 2024 636th snoozingnewt 🇺🇸 885 83 333ms 6 hours ago 640th lynn 885 93 29ms 12 Jul 2023 641st KasperKivimaeki 🇫🇮 885 115 261ms 2 Oct 2025 642nd jared-hughes 884 76 1ms 6 Mar 2022 642nd Steffan153 🇫🇮 884 76 3ms 25 Feb 2023 644th Steffan153 🇫🇮 884 78 1ms 29 Oct 2023 645th MeWhenI 🇻🇦 883 75 2ms 12 Sep 2022 645th sean-niemann 🇺🇸 883 75 3ms 8 Oct 2024 647th marcin7Cd 883 77 172ms 11 Mar 2020 647th fuzzylojik-golf 🇺🇸 883 77 153ms 15 Sep 2025 649th pardouin 🇫🇷 882 63 659ms 29 Aug 2025 650th prplz 🇦🇺 882 68 10ms 12 Oct 2021 650th NewDefectus 🇮🇱 882 68 9ms 16 Dec 2021 652nd emplv 🇱🇻 882 93 26ms 29 Jun 2022 653rd marcin7Cd 882 148 10ms 12 Oct 2020 653rd Attero 🇸🇪 882 148 10ms 12 Oct 2020 653rd sisyphus-ppcg 🇦🇺 882 148 10ms 30 May 2021 653rd lynn 882 148 10ms 1 Jun 2021 653rd SirBogman 🇺🇸 882 148 10ms 28 Nov 2021 653rd ovs-code 🇩🇪 882 148 9ms 22 Apr 2022 653rd scpchicken 🇵🇼 882 148 10ms 4 Feb 2023 660th Attero 🇸🇪 881 81 2ms 4 May 2020 660th c0d3-4-F00d 🇩🇪 881 81 2ms 5 Jan 2022 660th snoozingnewt 🇺🇸 881 81 2ms 13 Sep 2025 660th AZTECCO 881 81 2ms 16 Sep 2025 660th Yax42 🇫🇷 881 81 2ms 14 Oct 2025 665th edsrzf 🇳🇿 881 96 40ms 30 Dec 2024 666th m-tkach 🇺🇦 881 98 54ms 9 Mar 2023 666th annaproxy 881 98 52ms 22 Oct 2023 666th Yewzir 🇧🇪 881 98 49ms 30 Dec 2023 669th benwilliamgraham 880 69 9ms 26 Jan 2019 669th OllieBoyne 🇬🇧 880 69 10ms 16 Jan 2021 669th eiburns 880 69 10ms 20 Jan 2022 669th vishwathg 880 69 10ms 16 Aug 2022 669th emirps 880 69 10ms 22 Feb 2023 669th Vaekor 880 69 12ms 9 Jul 2023 669th AVDestroyer 880 69 10ms 4 Sep 2023 First Prev 601–675 of 3,123 Next Last
