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 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 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 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 Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 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 Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 149th hyvyys 486 105 10ms 18 Sep 2020 149th GusGold 486 105 14ms 17 Nov 2020 149th typeswitch-dev 🇵🇹 486 105 9ms 1 Aug 2023 154th Jooraz 481 106 12ms 13 May 2019 154th rodigu 481 106 9ms 14 Jun 2021 156th xyangst 477 107 9ms 7 Oct 2024 157th RonnyPumaricra 472 108 9ms 25 Nov 2020 157th tscherter 472 108 9ms 4 Dec 2020 159th sethimcclaine 468 109 10ms 5 Apr 2019 159th ereztaiar 🇮🇱 468 109 12ms 7 Sep 2021 159th olleicua 🇺🇸 468 109 13ms 13 Feb 2024 162nd berdzi 464 110 9ms 8 Mar 2022 162nd adamnielson42 🇺🇸 464 110 11ms 30 May 2023 164th ian-odonnell 459 111 9ms 14 Mar 2018 164th dsntzn 🇸🇰 459 111 12ms 21 Aug 2020 164th wansacis 🇩🇪 459 111 10ms 26 Jul 2021 164th SpareManiKatti 459 111 9ms 9 Sep 2021 168th Ashikpaul 🇮🇳 455 112 13ms 9 May 2021 169th JRaspass 🇬🇧 451 113 9ms 7 Jul 2020 169th Kibble 451 113 10ms 12 Jul 2020 169th gnlow 🇰🇷 451 113 10ms 6 Mar 2021 169th kozgera 451 113 9ms 19 May 2021 169th theunofficialcoder 451 113 9ms 18 Aug 2021 169th AnnoyedArt1256 451 113 13ms 8 Jan 2022 169th GeorgeStechman 🇬🇧 451 113 8ms 7 Jun 2022 169th TechNolaByte 451 113 13ms 26 Dec 2022 169th ZoeMcG 451 113 14ms 8 Jan 2023 169th hacker19374 451 113 9ms 10 Mar 2023 169th gigaprofisi 🇺🇸 451 113 8ms 20 Jun 2025 180th jiaminglimjm 🇲🇾 447 114 9ms 4 Jul 2020 181st KatieLG-Transpiler 🇬🇧 443 115 9ms 23 Jun 2022 181st apokryfos 443 115 9ms 21 Aug 2023 181st hacker112 🇸🇪 443 115 9ms 20 Jun 2024 184th dijs 440 116 12ms 5 Dec 2019 185th Cr3aHal0 436 117 9ms 27 Jun 2019 186th wrauner 432 118 10ms 15 Aug 2019 187th lowlighter 429 119 11ms 30 Oct 2020 187th TheRealOhead 🇺🇸 429 119 9ms 25 Jan 2023 189th Nefsen402 425 120 14ms 23 Jan 2019 189th MrMullac 425 120 9ms 2 May 2025 191st pbarath 415 123 9ms 19 May 2021 192nd emilianoyaryura 411 124 10ms 30 Jan 2021 193rd lewdev 🇺🇸 408 125 9ms 26 Jul 2021 193rd bac0id 408 125 9ms 30 Jun 2024 195th efgen 405 126 11ms 14 Jun 2020 196th vititu 395 129 11ms 29 Apr 2020 196th maxpelic 🇺🇸 395 129 13ms 10 Jul 2022 198th davidbutt 392 130 10ms 26 Jul 2018 198th TheLazySquid 392 130 10ms 21 Dec 2022 200th DmyBor 389 131 11ms 4 May 2018 200th aaronze 🇦🇺 389 131 10ms 25 Apr 2021 200th Florian-Mt 389 131 10ms 23 Oct 2023 203rd varbrad 383 133 10ms 5 Dec 2017 203rd McErer 383 133 10ms 12 Jan 2019 203rd vroup 🇩🇰 383 133 12ms 2 Oct 2022 206th OmegaB0t 381 134 13ms 5 Dec 2019 206th lunananananananana 🇨🇭 381 134 9ms 27 Jun 2021 208th marekMin 375 136 311ms 11 Jun 2019 209th roguh 🇬🇹 372 137 8ms 13 Oct 2024 210th ioioii 364 140 14ms 13 Dec 2019 211th msbranicky 362 141 9ms 8 Sep 2023 212th apatozi 352 145 10ms 10 May 2021 213th retrohun 349 146 9ms 21 Dec 2018 213th mikerees 349 146 9ms 5 Aug 2019 213th pandapawskat 349 146 9ms 2 Dec 2020 213th mokymok 🇺🇸 349 146 8ms 8 Nov 2021 213th zt14427 349 146 9ms 4 Mar 2023 213th itserasmus 349 146 12ms 17 Jan 2024 213th Mabeloid 🇳🇴 349 146 9ms 20 Sep 2024 220th Johannesd3 338 151 14ms 5 Apr 2020 221st Ranner198 327 156 9ms 13 Jun 2024 222nd stadamdoki 325 157 10ms 17 May 2021 223rd MyXoToD 🇩🇪 321 159 11ms 8 May 2025 224th jacobshu 313 163 9ms 15 Oct 2020 225th tfk333 255 200 10ms 23 Feb 2018 First Prev 151–225 of 234 Next Last
