Happy Numbers in all languages in chars. 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 ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 Chars Time Submitted 715th DialFrost 🇸🇬 752 56 1,246ms 10 Mar 2025 715th sean-niemann 🇺🇸 752 56 1,293ms 18 Apr 2025 715th CaedenHarper 🇨🇦 752 56 1,327ms 15 Jul 2025 715th albanian-laundromat 752 56 1,380ms 10 Nov 2025 715th snoozingnewt 🇨🇦 752 56 1,314ms 30 Nov 2025 726th amazingalek 🇳🇴 750 72 394ms 29 Dec 2025 727th bac0id 750 92 53ms 23 Feb 2024 727th dokutan 750 92 49ms 7 Apr 2024 729th kevlened 749 66 11ms 22 Oct 2018 729th pihart 749 66 15ms 22 Jun 2020 729th Argeento 🇵🇱 749 66 15ms 13 Nov 2020 729th ovs-code 🇩🇪 749 66 13ms 29 Jul 2024 729th Lv0Sys 🇵🇱 749 66 13ms 29 Nov 2025 734th marcin7Cd 749 77 136ms 11 Mar 2020 734th fuzzylojik-golf 🇺🇸 749 77 139ms 15 Sep 2025 736th fuzzylojik-golf 🇺🇸 747 83 458ms 30 Aug 2025 737th Yewzir 🇧🇪 747 88 354ms 2 Oct 2025 738th DialFrost 🇸🇬 745 114 290ms 26 Dec 2024 738th snoozingnewt 🇨🇦 745 114 273ms 29 Nov 2025 740th edsrzf 🇳🇿 743 88 5ms 14 Nov 2025 741st lynn 742 93 27ms 12 Jul 2023 741st xsot 🇸🇬 742 93 55ms 23 May 2024 743rd MeWhenI 🇻🇦 741 71 1ms 22 Aug 2023 744th edsrzf 🇳🇿 741 86 39ms 30 Dec 2024 745th emgordon154 740 58 2,204ms 20 Nov 2024 745th DialFrost 🇸🇬 740 58 2,399ms 25 Dec 2024 747th Shanethegamer 🇺🇸 740 73 378ms 12 May 2023 747th janbehrens 🇩🇪 740 73 367ms 26 Nov 2023 749th elgan65536 🇺🇸 740 85 132ms 22 Sep 2023 750th Steffan153 🇫🇮 740 99 1ms 28 Jan 2023 750th pardouin 🇫🇷 740 99 1ms 21 Sep 2024 750th sean-niemann 🇺🇸 740 99 1ms 9 May 2025 753rd dan-simon 739 42 134ms 28 Dec 2017 753rd yokasuretsu 739 42 118ms 27 Jun 2018 755th Jacob385 739 89 516ms 27 Oct 2025 756th sisyphus-ppcg 🇦🇺 739 95 6ms 14 Mar 2023 756th Lydxn 🇨🇦 739 95 6ms 14 Mar 2023 758th rambox11 738 67 12ms 2 Apr 2018 758th ETHproductions 🇺🇸 738 67 15ms 14 Apr 2018 758th frobinsonj 738 67 11ms 28 Jun 2018 758th dee-gomma 738 67 10ms 27 Mar 2019 758th elisherer 🇮🇱 738 67 11ms 23 Dec 2019 758th ArmaanAS 738 67 14ms 8 Mar 2021 764th MeWhenI 🇻🇦 738 92 24ms 13 Jul 2021 765th Frank-Buss 738 93 5ms 29 Aug 2020 766th KasperKivimaeki 🇫🇮 738 115 287ms 2 Oct 2025 767th trist224 🇫🇷 736 64 9ms 15 Nov 2022 768th Shanethegamer 🇺🇸 733 30 3ms 13 Jan 2022 769th MeWhenI 🇻🇦 733 76 37ms 16 May 2023 770th SirBogman 🇺🇸 731 45 229ms 7 Jan 2024 771st prplz 🇦🇺 731 86 121ms 30 Apr 2022 771st pardouin 🇫🇷 731 86 118ms 24 Aug 2024 773rd treeowl 730 79 135ms 27 Feb 2019 773rd user189032 730 79 136ms 29 May 2019 773rd cbrt-x 730 79 137ms 15 Sep 2023 776th emplv 🇱🇻 730 93 25ms 29 Jun 2022 777th NewDefectus 🇮🇱 727 68 11ms 16 Dec 2021 777th KrausRaus 🇺🇸 727 68 11ms 6 Jan 2026 779th albanian-laundromat 727 84 101ms 22 Dec 2025 780th Irratix 🇳🇱 726 41 2ms 1 Nov 2020 780th primo-ppcg 🇹🇭 726 41 1ms 2 Nov 2020 780th GrayJoKing 🇦🇺 726 41 2ms 27 Nov 2020 780th KatieLG 🇬🇧 726 41 2ms 9 Dec 2020 780th msbranicky 726 41 1ms 27 Jul 2023 780th dokutan 726 41 2ms 11 Nov 2023 780th AlephSquirrel 726 41 2ms 27 Jan 2025 787th ovs-code 🇩🇪 726 95 27ms 10 Jan 2023 787th edsrzf 🇳🇿 726 95 27ms 18 days ago 789th msbranicky 725 60 386ms 17 Jan 2024 789th JunkIce 725 60 435ms 23 Feb 2025 791st ZakkkkAttackkkk 🇵🇭 725 65 34ms 21 Dec 2021 791st bob-th 725 65 47ms 5 Aug 2022 791st btjones0 725 65 51ms 22 Nov 2022 791st falsidge 725 65 8ms 21 Jun 2023 795th dokutan 724 75 114ms 23 Jul 2025 796th edsrzf 🇳🇿 723 54 941ms 8 Sep 2025 797th lynn 723 87 117ms 7 Jul 2024 797th emgordon154 723 87 117ms 18 Feb 2025 797th edsrzf 🇳🇿 723 87 123ms 4 Mar 2025 797th DialFrost 🇸🇬 723 87 126ms 4 Apr 2025 First Prev 721–800 of 3,166 Next Last