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 ><> 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 Chars Time Submitted 721st kevlened 749 66 10ms 22 Oct 2018 721st pihart 749 66 10ms 22 Jun 2020 721st Argeento 🇵🇱 749 66 12ms 13 Nov 2020 721st ovs-code 🇩🇪 749 66 12ms 29 Jul 2024 721st Lv0Sys 🇵🇱 749 66 10ms 29 Nov 2025 726th marcin7Cd 749 77 136ms 11 Mar 2020 726th fuzzylojik-golf 🇺🇸 749 77 143ms 15 Sep 2025 728th fuzzylojik-golf 🇺🇸 747 83 433ms 30 Aug 2025 729th Yewzir 🇧🇪 747 88 354ms 2 Oct 2025 730th DialFrost 🇸🇬 745 114 290ms 26 Dec 2024 730th snoozingnewt 🇨🇦 745 114 273ms 29 Nov 2025 732nd edsrzf 🇳🇿 743 88 5ms 14 Nov 2025 733rd lynn 742 93 27ms 12 Jul 2023 733rd xsot 🇸🇬 742 93 57ms 23 May 2024 735th MeWhenI 🇻🇦 741 71 2ms 22 Aug 2023 736th edsrzf 🇳🇿 741 86 39ms 30 Dec 2024 737th Shanethegamer 🇺🇸 740 73 404ms 12 May 2023 737th janbehrens 🇩🇪 740 73 373ms 26 Nov 2023 739th elgan65536 🇺🇸 740 85 125ms 22 Sep 2023 740th Steffan153 🇫🇮 740 99 1ms 28 Jan 2023 740th pardouin 🇫🇷 740 99 1ms 21 Sep 2024 740th sean-niemann 🇺🇸 740 99 1ms 9 May 2025 743rd dan-simon 739 42 134ms 28 Dec 2017 743rd yokasuretsu 739 42 118ms 27 Jun 2018 745th emgordon154 739 58 2,204ms 20 Nov 2024 745th DialFrost 🇸🇬 739 58 2,399ms 25 Dec 2024 747th Jacob385 739 89 516ms 27 Oct 2025 748th sisyphus-ppcg 🇦🇺 739 95 7ms 14 Mar 2023 748th Lydxn 🇨🇦 739 95 7ms 14 Mar 2023 750th dokutan 738 59 495ms 14 Apr 2024 751st rambox11 738 67 11ms 2 Apr 2018 751st ETHproductions 🇺🇸 738 67 14ms 14 Apr 2018 751st frobinsonj 738 67 10ms 28 Jun 2018 751st dee-gomma 738 67 9ms 27 Mar 2019 751st elisherer 🇮🇱 738 67 12ms 23 Dec 2019 751st ArmaanAS 738 67 10ms 8 Mar 2021 757th Frank-Buss 738 93 5ms 29 Aug 2020 758th KasperKivimaeki 🇫🇮 738 115 287ms 2 Oct 2025 759th MeWhenI 🇻🇦 737 92 24ms 13 Jul 2021 760th trist224 🇫🇷 736 64 9ms 15 Nov 2022 761st dokutan 735 89 3ms 26 Dec 2025 762nd Shanethegamer 🇺🇸 733 30 3ms 13 Jan 2022 763rd MeWhenI 🇻🇦 733 76 37ms 16 May 2023 764th SirBogman 🇺🇸 731 45 229ms 7 Jan 2024 765th prplz 🇦🇺 731 86 116ms 30 Apr 2022 765th pardouin 🇫🇷 731 86 116ms 24 Aug 2024 767th treeowl 730 79 135ms 27 Feb 2019 767th user189032 730 79 136ms 29 May 2019 767th cbrt-x 730 79 137ms 15 Sep 2023 770th emplv 🇱🇻 729 93 25ms 29 Jun 2022 771st NewDefectus 🇮🇱 727 68 14ms 16 Dec 2021 771st KrausRaus 🇺🇸 727 68 10ms 6 Jan 2026 773rd albanian-laundromat 727 84 101ms 22 Dec 2025 774th Irratix 🇳🇱 726 41 3ms 1 Nov 2020 774th primo-ppcg 🇹🇭 726 41 1ms 2 Nov 2020 774th GrayJoKing 🇦🇺 726 41 2ms 27 Nov 2020 774th KatieLG 🇬🇧 726 41 2ms 9 Dec 2020 774th msbranicky 726 41 1ms 27 Jul 2023 774th dokutan 726 41 2ms 11 Nov 2023 774th AlephSquirrel 726 41 2ms 27 Jan 2025 781st ovs-code 🇩🇪 726 95 26ms 10 Jan 2023 781st edsrzf 🇳🇿 726 95 28ms 8 days ago 783rd msbranicky 725 60 407ms 17 Jan 2024 783rd JunkIce 725 60 442ms 23 Feb 2025 785th ZakkkkAttackkkk 🇵🇭 725 65 35ms 21 Dec 2021 785th bob-th 725 65 47ms 5 Aug 2022 785th btjones0 725 65 51ms 22 Nov 2022 785th falsidge 725 65 8ms 21 Jun 2023 789th dokutan 724 75 123ms 23 Jul 2025 790th lynn 723 87 125ms 7 Jul 2024 790th emgordon154 723 87 121ms 18 Feb 2025 790th edsrzf 🇳🇿 723 87 126ms 4 Mar 2025 790th DialFrost 🇸🇬 723 87 124ms 4 Apr 2025 790th acotis 723 87 131ms 15 Apr 2025 790th ovs-code 🇩🇪 723 87 117ms 20 Apr 2025 790th sean-niemann 🇺🇸 723 87 116ms 6 Jun 2025 790th kumavale 723 87 112ms 17 Aug 2025 798th dokutan 723 91 381ms 24 Sep 2025 799th phdphil 722 43 140ms 9 Apr 2018 800th edsrzf 🇳🇿 722 54 941ms 8 Sep 2025 First Prev 721–800 of 3,155 Next Last