Happy Numbers in JavaScript 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 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 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 Arturo Befunge BQN CJam CoffeeScript Egel 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 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 Arturo Befunge BQN CJam CoffeeScript Egel 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 Bytes Time Submitted 147th GusGold 590 105 10ms 17 Nov 2020 147th typeswitch-dev 🇵🇹 590 105 9ms 1 Aug 2023 153rd Jooraz 585 106 11ms 13 May 2019 153rd rodigu 585 106 9ms 14 Jun 2021 155th xyangst 579 107 9ms 7 Oct 2024 156th RonnyPumaricra 574 108 9ms 25 Nov 2020 156th tscherter 574 108 9ms 4 Dec 2020 158th sethimcclaine 569 109 10ms 5 Apr 2019 158th ereztaiar 🇮🇱 569 109 12ms 7 Sep 2021 158th olleicua 🇺🇸 569 109 12ms 13 Feb 2024 161st berdzi 564 110 9ms 8 Mar 2022 161st adamnielson42 🇺🇸 564 110 10ms 30 May 2023 163rd ian-odonnell 559 111 9ms 14 Mar 2018 163rd dsntzn 🇸🇰 559 111 12ms 21 Aug 2020 163rd wansacis 🇩🇪 559 111 10ms 26 Jul 2021 163rd SpareManiKatti 559 111 9ms 9 Sep 2021 167th Ashikpaul 🇮🇳 554 112 13ms 9 May 2021 168th JRaspass 🇬🇧 549 113 8ms 7 Jul 2020 168th Kibble 549 113 10ms 12 Jul 2020 168th gnlow 🇰🇷 549 113 9ms 6 Mar 2021 168th kozgera 549 113 9ms 19 May 2021 168th theunofficialcoder 549 113 9ms 18 Aug 2021 168th AnnoyedArt1256 549 113 11ms 8 Jan 2022 168th GeorgeStechman 🇬🇧 549 113 8ms 7 Jun 2022 168th TechNolaByte 549 113 9ms 26 Dec 2022 168th ZoeMcG 549 113 13ms 8 Jan 2023 168th hacker19374 549 113 9ms 10 Mar 2023 168th HumanoidCPU 549 113 9ms 3 May 2024 168th gigaprofisi 🇺🇸 549 113 8ms 20 Jun 2025 180th jiaminglimjm 🇲🇾 544 114 9ms 4 Jul 2020 181st KatieLG-Transpiler 🇬🇧 539 115 9ms 23 Jun 2022 181st apokryfos 539 115 9ms 21 Aug 2023 181st hacker112 🇸🇪 539 115 9ms 20 Jun 2024 184th dijs 534 116 9ms 5 Dec 2019 185th Cr3aHal0 530 117 9ms 27 Jun 2019 186th wrauner 525 118 10ms 15 Aug 2019 187th lowlighter 521 119 11ms 30 Oct 2020 187th TheRealOhead 🇺🇸 521 119 9ms 25 Jan 2023 189th Nefsen402 517 120 14ms 23 Jan 2019 189th MrMullac 517 120 9ms 2 May 2025 191st pbarath 504 123 9ms 19 May 2021 192nd emilianoyaryura 500 124 10ms 30 Jan 2021 193rd lewdev 🇺🇸 496 125 9ms 26 Jul 2021 193rd bac0id 496 125 8ms 30 Jun 2024 195th efgen 492 126 11ms 14 Jun 2020 196th vititu 481 129 10ms 29 Apr 2020 196th maxpelic 🇺🇸 481 129 10ms 10 Jul 2022 198th davidbutt 477 130 9ms 26 Jul 2018 198th TheLazySquid 477 130 10ms 21 Dec 2022 200th DmyBor 473 131 11ms 4 May 2018 200th aaronze 🇦🇺 473 131 10ms 25 Apr 2021 200th Florian-Mt 473 131 10ms 23 Oct 2023 203rd varbrad 466 133 9ms 5 Dec 2017 203rd McErer 466 133 10ms 12 Jan 2019 203rd vroup 🇩🇰 466 133 11ms 2 Oct 2022 206th OmegaB0t 463 134 9ms 5 Dec 2019 206th lunananananananana 🇨🇭 463 134 9ms 27 Jun 2021 208th marekMin 456 136 218ms 11 Jun 2019 209th roguh 🇬🇹 453 137 8ms 13 Oct 2024 210th ioioii 443 140 13ms 13 Dec 2019 211th msbranicky 440 141 9ms 8 Sep 2023 212th apatozi 428 145 10ms 10 May 2021 213th retrohun 425 146 9ms 21 Dec 2018 213th mikerees 425 146 9ms 5 Aug 2019 213th pandapawskat 425 146 9ms 2 Dec 2020 213th mokymok 🇺🇸 425 146 8ms 8 Nov 2021 213th zt14427 425 146 8ms 4 Mar 2023 213th itserasmus 425 146 10ms 17 Jan 2024 213th Mabeloid 🇳🇴 425 146 9ms 20 Sep 2024 220th Johannesd3 411 151 14ms 5 Apr 2020 221st Ranner198 397 156 9ms 13 Jun 2024 222nd stadamdoki 395 157 9ms 17 May 2021 223rd MyXoToD 🇩🇪 390 159 10ms 8 May 2025 224th jacobshu 380 163 9ms 15 Oct 2020 225th tfk333 310 200 10ms 23 Feb 2018 First Prev 151–225 of 234 Next Last
