Happy Numbers (Long) 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL 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 ><> ALGOL 68 ArkScript 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 APL 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 321st error256 895 132 25ms 13 Mar 2026 322nd sean-niemann 🇺🇸 894 68 1,135ms 15 Sep 2025 322nd DialFrost 🇸🇬 894 68 1,583ms 12 Nov 2025 324th GrayJoKing 🇦🇺 894 84 28ms 31 Jan 2025 325th JayXon 🇺🇸 894 89 2,823ms 19 Jul 2025 326th DialFrost 🇸🇬 894 94 40ms 5 Jan 2026 326th error256 894 94 29ms 13 Mar 2026 328th AlephSquirrel 893 28 3ms 3 Nov 2025 329th m-tkach 🇺🇦 893 75 558ms 20 Jan 2024 329th emgordon154 893 75 608ms 16 Apr 2025 331st primo-ppcg 🇹🇭 893 110 499ms 22 Sep 2021 331st GrayJoKing 🇦🇺 893 110 29ms 13 Jan 2023 333rd SirBogman 🇺🇸 892 86 39ms 2 Nov 2022 334th Lydxn 🇨🇦 891 69 93ms 13 Dec 2022 334th sisyphus-ppcg 🇦🇺 891 69 96ms 16 Dec 2022 336th kg583 🇺🇸 890 96 42ms 26 Jul 2025 336th edsrzf 🇳🇿 890 96 39ms 23 Dec 2025 338th nwellnhof 🇩🇪 889 56 1,058ms 2 Mar 2023 339th GolfingSuccess 🇬🇷 889 83 8ms 24 Feb 2026 339th edsrzf 🇳🇿 889 83 8ms 7 Mar 2026 341st JayXon 🇺🇸 889 90 137ms 5 Sep 2023 342nd hrubymar10 888 134 335ms 27 Feb 2024 342nd DialFrost 🇸🇬 888 134 309ms 18 Jan 2026 344th Steffan153 🇫🇮 887 43 217ms 17 Dec 2022 344th ovs-code 🇩🇪 887 43 255ms 31 Dec 2023 346th MeWhenI 🇻🇦 887 56 1,383ms 13 Nov 2022 347th Shanethegamer 🇺🇸 887 65 70ms 1 Dec 2024 348th Steffan153 🇫🇮 887 74 56ms 10 Nov 2023 348th sean-niemann 🇺🇸 887 74 62ms 9 Apr 2025 348th edsrzf 🇳🇿 887 74 58ms 5 Jul 2025 348th targrik 887 74 59ms 16 Dec 2025 352nd GrayJoKing 🇦🇺 887 82 4ms 19 Nov 2025 352nd ovs-code 🇩🇪 887 82 2ms 19 Nov 2025 352nd edsrzf 🇳🇿 887 82 2ms 24 Dec 2025 355th Steffan153 🇫🇮 887 98 1,545ms 9 days ago 356th inventshah 886 67 13ms 26 Sep 2023 356th ovs-code 🇩🇪 886 67 14ms 29 Jul 2024 358th canissimia 🇦🇶 886 218 30ms 25 Oct 2021 359th xsot 🇸🇬 885 54 41ms 25 Jul 2023 360th hallvabo 🇳🇴 885 79 26ms 21 Sep 2021 360th annaproxy 885 79 192ms 23 Nov 2021 360th anter69 🇭🇺 885 79 315ms 3 Apr 2022 360th Irratix 🇳🇱 885 79 298ms 28 Apr 2022 360th OllieBoyne 🇬🇧 885 79 177ms 25 May 2022 360th MeWhenI 🇻🇦 885 79 172ms 17 Aug 2023 360th ndren 885 79 201ms 11 Feb 2024 360th 5cw 🇺🇸 885 79 309ms 8 May 2024 360th bzijlema 🇳🇱 885 79 311ms 11 Oct 2024 360th jipsong 🇩🇪 885 79 215ms 20 Jun 2025 360th InigoK 🇺🇸 885 79 173ms 5 Sep 2025 360th fuzzylojik-golf 🇺🇸 885 79 191ms 15 Sep 2025 360th CornerMercury 🇬🇧 885 79 210ms 29 Dec 2025 360th plcc0 885 79 211ms 12 Jan 2026 360th jusaka 885 79 175ms 13 days ago 360th vang1ong7ang 885 79 174ms 5 hours ago 376th primo-ppcg 🇹🇭 885 99 41ms 19 Jul 2022 377th AlephSquirrel 885 111 512ms 17 Feb 2024 378th m-tkach 🇺🇦 885 127 25ms 15 Jan 2025 379th MeWhenI 🇻🇦 884 79 2ms 21 Jun 2022 380th GrayJoKing 🇦🇺 884 90 3,408ms 16 Jun 2022 381st Shanethegamer 🇺🇸 883 97 96ms 17 Dec 2021 381st MeWhenI 🇻🇦 883 97 158ms 21 Jun 2022 381st stefangimmillaro 883 97 96ms 18 Oct 2022 381st sean-niemann 🇺🇸 883 97 98ms 7 Feb 2023 381st Steffan153 🇫🇮 883 97 96ms 9 Apr 2023 381st Yewzir 🇧🇪 883 97 98ms 14 Jan 2024 387th MeWhenI 🇻🇦 883 102 59ms 7 Dec 2022 388th GolfingSuccess 🇬🇷 882 76 544ms 15 Jan 2024 388th GrayJoKing 🇦🇺 882 76 762ms 15 Jan 2024 388th AlephSquirrel 882 76 636ms 16 Jan 2024 391st GolfingSuccess 🇬🇷 882 112 105ms 28 Nov 2025 391st edsrzf 🇳🇿 882 112 103ms 24 Dec 2025 393rd Bubbler-4 880 96 4ms 14 Jul 2023 393rd Lydxn 🇨🇦 880 96 4ms 15 Jul 2023 393rd GrayJoKing 🇦🇺 880 96 4ms 15 Jul 2023 393rd btnlq 880 96 3ms 15 Jul 2023 393rd ovs-code 🇩🇪 880 96 5ms 15 Jul 2023 393rd MeWhenI 🇻🇦 880 96 4ms 25 Jul 2023 399th canissimia 🇦🇶 880 144 3,336ms 24 Feb 2023 400th MeWhenI 🇻🇦 879 91 158ms 5 Sep 2023 First Prev 321–400 of 2,203 Next Last