Happy Numbers in JavaScript 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 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 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 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 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 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 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 76th dokutan 646 79 12ms 24 Dec 2024 76th XenThe 🇬🇧 646 79 16ms 7 Jun 2025 83rd voytxt 🇨🇿 638 80 10ms 2 Mar 2022 83rd AlephSquirrel 638 80 10ms 8 Aug 2022 83rd Heathcorp 🇦🇺 638 80 16ms 25 Nov 2022 83rd m42km 638 80 9ms 7 Oct 2023 83rd FortuiteMan 🇫🇷 638 80 13ms 10 Oct 2024 88th tangweikun 630 81 14ms 24 Oct 2018 88th randolchance 630 81 12ms 5 Jan 2023 88th Program-Pi 630 81 10ms 11 days ago 91st GarboMuffin 622 82 10ms 23 Jul 2018 91st raphaelimahorn 622 82 11ms 17 Aug 2021 91st biocommando 🇫🇮 622 82 10ms 22 Aug 2023 91st acollett89 622 82 14ms 4 Aug 2025 95th Garklein 🇨🇦 614 83 12ms 20 Feb 2022 95th trinityy-7 614 83 11ms 6 Dec 2023 97th Mazn3k 607 84 16ms 15 Mar 2023 97th HumanoidCPU 607 84 10ms 11 Nov 2025 99th piano-miles 600 85 12ms 12 Mar 2023 99th coreynash 600 85 10ms 17 Oct 2023 99th CaedenHarper 🇨🇦 600 85 12ms 31 Aug 2025 102nd alexkunin 593 86 12ms 3 Jul 2019 102nd uttumuttu 🇫🇮 593 86 11ms 4 Jan 2022 102nd lordsnek 593 86 11ms 19 Jan 2023 102nd junkondo-jp 593 86 10ms 13 May 2024 106th Chegleyev 586 87 11ms 2 Feb 2020 107th jackkav 573 89 10ms 13 Apr 2018 107th moikaturns 🇬🇧 573 89 10ms 20 Oct 2022 107th CatsAreFluffy 573 89 10ms 12 Dec 2022 107th codewrite 🇬🇧 573 89 13ms 30 Jun 2025 107th Andrey-Plotnikov 573 89 12ms 27 Sep 2025 112th obarakon 567 90 363ms 20 Dec 2018 112th amiralitaheri 567 90 16ms 23 Feb 2023 112th Salutations45 567 90 9ms 2 Jan 2025 115th mrxz 🇳🇱 560 91 15ms 23 Jun 2019 115th nguyenl2 560 91 12ms 24 May 2022 115th BambooleanLogic 🇸🇪 560 91 10ms 13 Nov 2022 115th daniel-cardone 560 91 10ms 23 Aug 2023 119th cmorten 554 92 11ms 2 Nov 2017 119th NatNgs 554 92 11ms 21 Jan 2020 119th BBoehm 🇩🇪 554 92 10ms 19 Dec 2020 119th omurakazuaki 🇯🇵 554 92 10ms 19 Feb 2021 119th Davr1 🇨🇿 554 92 14ms 14 Oct 2023 119th alexsave 554 92 10ms 7 Nov 2024 125th user189032 548 93 12ms 29 May 2019 125th LukeBridges 🇬🇧 548 93 14ms 8 Oct 2024 127th Kesefon 543 94 10ms 24 Nov 2022 128th mintypython 537 95 10ms 21 Oct 2018 128th tomh1012 537 95 10ms 16 Sep 2020 128th KingSkyrock 🇺🇸 537 95 11ms 11 Mar 2022 128th a6166231 🇨🇳 537 95 10ms 20 May 2025 132nd Giga-Bowser 531 96 14ms 3 Jan 2022 132nd zakariamouhid 531 96 12ms 1 May 2023 134th caasinehc 526 97 11ms 16 Oct 2018 134th squadb3 526 97 14ms 31 Aug 2019 134th mobibluman 526 97 12ms 17 Oct 2022 137th paavohuhtala 520 98 11ms 4 Jan 2020 138th jake-freeman 515 99 10ms 12 May 2020 138th Natanaelel 🇸🇪 515 99 9ms 20 Mar 2022 138th raszpi 🇭🇺 515 99 12ms 3 Sep 2023 141st ShiraJoseph 🇺🇸 510 100 11ms 28 Apr 2022 141st smclaughlin-cf 510 100 11ms 26 Nov 2025 143rd Caylyn 505 101 11ms 22 Dec 2018 143rd skps2010 505 101 15ms 4 Jan 2019 145th oitio 500 102 10ms 31 May 2019 145th lukasmoellerch 500 102 9ms 14 Jul 2019 147th steffan-polygolf 495 103 14ms 19 Feb 2024 147th r-schmidtke 495 103 9ms 26 Jun 2024 149th Palladium02 490 104 15ms 5 May 2025 150th paudr 486 105 11ms 5 May 2019 150th modellking 486 105 10ms 3 Jun 2020 150th hyvyys 486 105 11ms 18 Sep 2020 150th GusGold 486 105 10ms 17 Nov 2020 150th typeswitch-dev 🇵🇹 486 105 12ms 1 Aug 2023 155th Jooraz 481 106 17ms 13 May 2019 155th rodigu 481 106 13ms 14 Jun 2021 157th xyangst 477 107 9ms 7 Oct 2024 158th RonnyPumaricra 472 108 12ms 25 Nov 2020 158th tscherter 472 108 12ms 4 Dec 2020 160th sethimcclaine 468 109 12ms 5 Apr 2019 First Prev 81–160 of 235 Next Last