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 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 559th duckyluuk 🇳🇱 848 79 606ms 20 Jun 2024 559th namelessiw 848 79 575ms 14 Jul 2024 559th lifthrasiir 🇰🇷 848 79 453ms 2 Dec 2024 564th Steffan153 🇫🇮 846 99 12ms 12 Dec 2023 565th stefangimmillaro 846 111 507ms 6 Oct 2025 565th kmathis22 846 111 379ms 20 Nov 2025 565th ethanlally 846 111 387ms 23 Nov 2025 565th dokutan 846 111 373ms 23 Nov 2025 565th snoozingnewt 🇨🇦 846 111 449ms 5 Dec 2025 570th Irratix 🇳🇱 846 112 59ms 3 Jan 2022 571st ovs-code 🇩🇪 846 190 18ms 9 Jul 2024 572nd rucin93 🇵🇱 845 86 2ms 19 Nov 2025 573rd MeWhenI 🇻🇦 845 96 126ms 15 Nov 2022 574th MeWhenI 🇻🇦 845 163 1,411ms 28 Mar 2025 575th Steffan153 🇫🇮 844 89 18ms 3 Feb 2023 575th sisyphus-ppcg 🇦🇺 844 89 17ms 4 Feb 2023 575th edsrzf 🇳🇿 844 89 14ms 14 Nov 2025 578th Yewzir 🇧🇪 844 118 130ms 5 Feb 2024 579th albanian-laundromat 842 73 1,053ms 23 Sep 2025 580th itsjustfreekie 842 83 300ms 20 Sep 2021 580th neihousaigaai 842 83 21ms 3 Jan 2022 580th cesarm4 842 83 198ms 16 Apr 2022 580th nstearns96 🇬🇧 842 83 245ms 27 Jan 2023 580th randolchance 842 83 20ms 16 Feb 2023 580th galloj 🇨🇿 842 83 3,506ms 5 Mar 2023 580th yzhs 🇩🇪 842 83 238ms 23 Jun 2023 580th Yewzir 🇧🇪 842 83 231ms 8 Oct 2023 580th m42km 842 83 312ms 12 Oct 2023 589th DialFrost 🇸🇬 842 98 496ms 16 Nov 2025 590th rak1507 🇬🇧 841 36 36ms 20 Sep 2021 591st Steffan153 🇫🇮 841 73 229ms 15 Aug 2024 592nd emplv 🇱🇻 841 78 41ms 19 Apr 2024 593rd pardouin 🇫🇷 841 83 3ms 8 Oct 2024 593rd LostSyntax21 🇬🇧 841 83 3ms 8 Jan 2025 595th Shanethegamer 🇺🇸 839 95 114ms 14 Oct 2022 595th emplv 🇱🇻 839 95 108ms 28 Oct 2022 595th Yewzir 🇧🇪 839 95 116ms 28 Mar 2024 598th anter69 🇭🇺 838 57 39ms 30 Sep 2021 599th primo-ppcg 🇹🇭 838 91 2ms 23 Sep 2021 599th JayXon 🇺🇸 838 91 2ms 3 Oct 2021 599th Lydxn 🇨🇦 838 91 2ms 9 Apr 2022 599th btnlq 838 91 2ms 27 Dec 2022 599th FlyingPenguin223 838 91 2ms 8 days ago 604th edsrzf 🇳🇿 838 100 21ms 5 Jan 2025 605th MeWhenI 🇻🇦 838 113 59ms 29 Nov 2022 606th ovs-code 🇩🇪 837 69 141ms 3 Aug 2024 607th SirBogman 🇺🇸 837 80 585ms 15 Jan 2024 607th Shanethegamer 🇺🇸 837 80 504ms 16 Jan 2024 607th snoozingnewt 🇨🇦 837 80 643ms 28 Sep 2025 610th lynn 837 119 151ms 10 Mar 2022 610th ovs-code 🇩🇪 837 119 139ms 23 Jun 2023 610th mousetail 🇳🇱 837 119 136ms 15 Jan 2024 613th Shanethegamer 🇺🇸 836 95 137ms 16 Dec 2022 614th Shanethegamer 🇺🇸 836 102 1,450ms 20 Mar 2023 615th Yewzir 🇧🇪 835 87 2ms 20 Nov 2025 616th stackofbears 834 99 443ms 21 Mar 2022 617th CornerMercury 🇬🇧 833 30 5ms 23 days ago 618th albanian-laundromat 833 105 40ms 7 Sep 2025 619th Bonjour27891 🇻🇳 832 84 69ms 9 Feb 2022 619th RDShah 832 84 333ms 11 May 2022 619th fredrik-bakke 🇳🇴 832 84 304ms 2 Oct 2022 619th jakobkordez 🇸🇮 832 84 21ms 30 Oct 2022 619th thehylian 832 84 20ms 2 Jan 2023 619th badboj40 832 84 306ms 12 Feb 2023 619th firegene 🇮🇪 832 84 21ms 22 Dec 2023 619th moustave 832 84 179ms 26 Nov 2024 619th dokutan 832 84 248ms 24 Dec 2024 628th h3ra993huskp 🇯🇵 831 113 503ms 30 Nov 2025 629th Shanethegamer 🇺🇸 831 114 55ms 18 Dec 2022 629th Yewzir 🇧🇪 831 114 56ms 14 Jan 2024 631st edsrzf 🇳🇿 831 118 27ms 5 days ago 632nd prplz 🇦🇺 830 103 122ms 18 Dec 2021 632nd dokutan 830 103 84ms 6 Nov 2025 634th Shanethegamer 🇺🇸 830 120 126ms 13 Jan 2022 634th MeWhenI 🇻🇦 830 120 130ms 9 May 2023 634th emgordon154 830 120 124ms 14 Mar 2025 637th ovs-code 🇩🇪 830 166 1,404ms 29 Mar 2025 637th emgordon154 830 166 1,398ms 21 May 2025 639th inventshah 827 60 1,340ms 29 Sep 2023 639th emgordon154 827 60 1,286ms 18 Nov 2024 First Prev 561–640 of 2,074 Next Last