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 NFA Simulator 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 NFA Simulator 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 600th primo-ppcg 🇹🇭 892 80 2ms 21 Oct 2020 600th emgordon154 892 80 2ms 22 Dec 2021 600th GrayJoKing 🇦🇺 892 80 2ms 13 Mar 2022 600th jared-hughes 892 80 2ms 30 Mar 2022 600th janbehrens 🇩🇪 892 80 2ms 26 Nov 2023 600th Herbert00709 🇵🇱 892 80 2ms 8 Jun 2024 600th roupiq 🇵🇱 892 80 2ms 9 Jun 2024 608th MeWhenI 🇻🇦 892 92 30ms 13 Jul 2021 609th pardouin 🇫🇷 892 114 260ms 24 Aug 2024 609th DialFrost 🇸🇬 892 114 263ms 26 Dec 2024 609th snoozingnewt 🇨🇦 892 114 268ms 5 days ago 612th kg583 🇺🇸 891 95 43ms 26 Jul 2025 613th MeWhenI 🇻🇦 890 56 877ms 13 Nov 2022 614th stefangimmillaro 890 71 4ms 9 Jan 2022 614th emplv 🇱🇻 890 71 4ms 21 Jul 2022 616th GrayJoKing 🇦🇺 890 72 45ms 14 Jun 2022 616th primo-ppcg 🇹🇭 890 72 39ms 21 Jun 2022 616th 386asm 🇺🇸 890 72 38ms 4 May 2023 619th GrayJoKing 🇦🇺 889 65 3ms 26 Jul 2023 620th Shanethegamer 🇺🇸 888 147 10ms 1 Aug 2023 620th MeWhenI 🇻🇦 888 147 10ms 1 Aug 2023 620th Lydxn 🇨🇦 888 147 10ms 1 Aug 2023 620th JayXon 🇺🇸 888 147 10ms 2 Aug 2023 620th Steffan153 🇫🇮 888 147 10ms 2 Aug 2023 620th janbehrens 🇩🇪 888 147 10ms 2 Aug 2023 620th GrayJoKing 🇦🇺 888 147 10ms 11 Aug 2023 620th BREMAUCY 🇫🇷 888 147 10ms 7 Sep 2023 620th dokutan 888 147 10ms 26 Oct 2023 620th Yewzir 🇧🇪 888 147 10ms 12 Mar 2024 620th HumanoidCPU 888 147 10ms 13 May 2024 620th pardouin 🇫🇷 888 147 10ms 20 Aug 2024 620th KatieLG 🇬🇧 888 147 10ms 26 Sep 2024 620th emgordon154 888 147 10ms 4 Dec 2024 620th CaedenHarper 🇨🇦 888 147 10ms 24 Jan 2025 620th rucin93 🇵🇱 888 147 10ms 23 Apr 2025 620th albanian-laundromat 888 147 10ms 20 Jul 2025 620th Babafaba 888 147 10ms 24 Oct 2025 620th GolfingSuccess 🇬🇷 888 147 10ms 26 days ago 639th ovs-code 🇩🇪 887 87 495ms 29 Jul 2024 640th MeWhenI 🇻🇦 886 76 45ms 16 May 2023 641st MeWhenI 🇻🇦 885 52 69ms 2 Nov 2023 641st Yewzir 🇧🇪 885 52 81ms 7 Mar 2024 641st edsrzf 🇳🇿 885 52 74ms 17 Jan 2025 641st fuzzylojik-golf 🇺🇸 885 52 74ms 17 Sep 2025 645th Shanethegamer 🇺🇸 885 83 309ms 12 May 2023 645th janbehrens 🇩🇪 885 83 314ms 26 Nov 2023 645th Yewzir 🇧🇪 885 83 334ms 11 Feb 2024 645th snoozingnewt 🇨🇦 885 83 333ms 5 days ago 649th lynn 885 93 29ms 12 Jul 2023 650th KasperKivimaeki 🇫🇮 885 115 250ms 2 Oct 2025 651st jared-hughes 884 76 1ms 6 Mar 2022 651st Steffan153 🇫🇮 884 76 1ms 25 Feb 2023 653rd Steffan153 🇫🇮 884 78 1ms 29 Oct 2023 654th MeWhenI 🇻🇦 883 75 2ms 12 Sep 2022 654th sean-niemann 🇺🇸 883 75 3ms 8 Oct 2024 656th marcin7Cd 883 77 172ms 11 Mar 2020 656th fuzzylojik-golf 🇺🇸 883 77 153ms 15 Sep 2025 658th pardouin 🇫🇷 882 63 653ms 29 Aug 2025 659th prplz 🇦🇺 882 68 9ms 12 Oct 2021 659th NewDefectus 🇮🇱 882 68 9ms 16 Dec 2021 661st emplv 🇱🇻 882 93 26ms 29 Jun 2022 662nd marcin7Cd 882 148 10ms 12 Oct 2020 662nd Attero 🇸🇪 882 148 10ms 12 Oct 2020 662nd sisyphus-ppcg 🇦🇺 882 148 10ms 30 May 2021 662nd lynn 882 148 10ms 1 Jun 2021 662nd SirBogman 🇺🇸 882 148 10ms 28 Nov 2021 662nd ovs-code 🇩🇪 882 148 9ms 22 Apr 2022 662nd scpchicken 🇵🇼 882 148 10ms 4 Feb 2023 669th Attero 🇸🇪 881 81 2ms 4 May 2020 669th c0d3-4-F00d 🇩🇪 881 81 2ms 5 Jan 2022 669th snoozingnewt 🇨🇦 881 81 2ms 13 Sep 2025 669th AZTECCO 881 81 2ms 16 Sep 2025 669th Yax42 🇫🇷 881 81 2ms 14 Oct 2025 674th edsrzf 🇳🇿 881 96 40ms 30 Dec 2024 675th m-tkach 🇺🇦 881 98 58ms 9 Mar 2023 First Prev 601–675 of 3,132 Next Last