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 Calendar 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 Multitap Input 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 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 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar 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 Multitap Input 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 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 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 635th GrayJoKing 🇦🇺 889 147 10ms 11 Aug 2023 635th BREMAUCY 🇫🇷 889 147 10ms 7 Sep 2023 635th dokutan 889 147 9ms 26 Oct 2023 635th Yewzir 🇧🇪 889 147 10ms 12 Mar 2024 635th HumanoidCPU 889 147 10ms 13 May 2024 635th pardouin 🇫🇷 889 147 9ms 20 Aug 2024 635th KatieLG 🇬🇧 889 147 10ms 26 Sep 2024 635th emgordon154 889 147 9ms 4 Dec 2024 635th CaedenHarper 🇨🇦 889 147 9ms 24 Jan 2025 635th rucin93 🇵🇱 889 147 10ms 23 Apr 2025 635th albanian-laundromat 889 147 10ms 20 Jul 2025 635th Babafaba 889 147 10ms 24 Oct 2025 635th GolfingSuccess 🇬🇷 889 147 10ms 8 Nov 2025 635th snoozingnewt 🇨🇦 889 147 10ms 5 Dec 2025 655th ovs-code 🇩🇪 887 87 488ms 29 Jul 2024 656th MeWhenI 🇻🇦 886 76 37ms 16 May 2023 657th lynn 886 93 27ms 12 Jul 2023 658th MeWhenI 🇻🇦 885 52 66ms 2 Nov 2023 658th Yewzir 🇧🇪 885 52 67ms 7 Mar 2024 658th edsrzf 🇳🇿 885 52 63ms 17 Jan 2025 658th fuzzylojik-golf 🇺🇸 885 52 60ms 17 Sep 2025 662nd Shanethegamer 🇺🇸 885 83 404ms 12 May 2023 662nd janbehrens 🇩🇪 885 83 373ms 26 Nov 2023 662nd Yewzir 🇧🇪 885 83 413ms 11 Feb 2024 662nd snoozingnewt 🇨🇦 885 83 376ms 29 Nov 2025 666th KasperKivimaeki 🇫🇮 885 115 287ms 2 Oct 2025 667th Steffan153 🇫🇮 884 78 1ms 29 Oct 2023 668th pardouin 🇫🇷 883 63 795ms 29 Aug 2025 669th MeWhenI 🇻🇦 883 75 2ms 12 Sep 2022 669th sean-niemann 🇺🇸 883 75 2ms 8 Oct 2024 671st jared-hughes 883 76 1ms 6 Mar 2022 671st Steffan153 🇫🇮 883 76 1ms 25 Feb 2023 673rd marcin7Cd 883 77 136ms 11 Mar 2020 673rd fuzzylojik-golf 🇺🇸 883 77 143ms 15 Sep 2025 675th marcin7Cd 883 148 10ms 12 Oct 2020 675th Attero 🇸🇪 883 148 9ms 12 Oct 2020 675th sisyphus-ppcg 🇦🇺 883 148 10ms 30 May 2021 675th lynn 883 148 10ms 1 Jun 2021 675th SirBogman 🇺🇸 883 148 10ms 28 Nov 2021 675th ovs-code 🇩🇪 883 148 10ms 22 Apr 2022 675th scpchicken 🇵🇼 883 148 10ms 4 Feb 2023 682nd prplz 🇦🇺 882 68 10ms 12 Oct 2021 682nd NewDefectus 🇮🇱 882 68 13ms 16 Dec 2021 682nd KrausRaus 🇺🇸 882 68 11ms 6 Jan 2026 685th emplv 🇱🇻 882 93 25ms 29 Jun 2022 686th m-tkach 🇺🇦 882 98 59ms 9 Mar 2023 686th annaproxy 882 98 57ms 22 Oct 2023 686th Yewzir 🇧🇪 882 98 61ms 30 Dec 2023 689th JayXon 🇺🇸 882 143 1,685ms 15 Sep 2025 690th Attero 🇸🇪 881 81 2ms 4 May 2020 690th c0d3-4-F00d 🇩🇪 881 81 2ms 5 Jan 2022 690th snoozingnewt 🇨🇦 881 81 2ms 13 Sep 2025 690th AZTECCO 881 81 2ms 16 Sep 2025 690th Yax42 🇫🇷 881 81 2ms 14 Oct 2025 695th benwilliamgraham 880 69 10ms 26 Jan 2019 695th OllieBoyne 🇬🇧 880 69 10ms 16 Jan 2021 695th eiburns 880 69 10ms 20 Jan 2022 695th vishwathg 880 69 9ms 16 Aug 2022 695th emirps 880 69 9ms 22 Feb 2023 695th Vaekor 880 69 9ms 9 Jul 2023 695th AVDestroyer 880 69 10ms 4 Sep 2023 695th m42km 880 69 9ms 7 Oct 2023 695th elgan65536 🇺🇸 880 69 9ms 4 Apr 2024 704th Yewzir 🇧🇪 880 79 108ms 6 Dec 2023 705th primo-ppcg 🇹🇭 878 50 31ms 11 Oct 2020 705th o0lit3 🇺🇸 878 50 10ms 19 Apr 2021 705th armin-k1 878 50 8ms 8 Sep 2021 705th nwellnhof 🇩🇪 878 50 14ms 26 Dec 2021 705th Lydxn 🇨🇦 878 50 32ms 25 May 2022 705th saito-ta 🇯🇵 878 50 17ms 27 May 2022 711th snoozingnewt 🇨🇦 878 95 431ms 29 Nov 2025 712th primo-ppcg 🇹🇭 878 116 302ms 21 Apr 2020 712th kkoenig 878 116 297ms 5 Jan 2024 714th sean-niemann 🇺🇸 877 88 467ms 6 Aug 2024 715th KatieLG-Transpiler 🇬🇧 877 149 10ms 24 Jun 2022 716th primo-ppcg 🇹🇭 875 53 274ms 19 Oct 2020 716th MeWhenI 🇻🇦 875 53 256ms 15 Feb 2023 718th hemphen 875 84 425ms 28 Aug 2022 719th alo-gin 874 54 33ms 19 Oct 2018 719th hrrs01 874 54 123ms 14 Apr 2020 First Prev 641–720 of 3,178 Next Last