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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 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 Bytes Time Submitted 159th olleicua 🇺🇸 569 109 10ms 13 Feb 2024 162nd berdzi 564 110 12ms 8 Mar 2022 162nd adamnielson42 🇺🇸 564 110 9ms 30 May 2023 164th ian-odonnell 559 111 9ms 14 Mar 2018 164th dsntzn 🇸🇰 559 111 10ms 21 Aug 2020 164th wansacis 🇩🇪 559 111 10ms 26 Jul 2021 164th SpareManiKatti 559 111 9ms 9 Sep 2021 168th Ashikpaul 🇮🇳 554 112 13ms 9 May 2021 169th JRaspass 🇬🇧 549 113 9ms 7 Jul 2020 169th Kibble 549 113 10ms 12 Jul 2020 169th gnlow 🇰🇷 549 113 9ms 6 Mar 2021 169th kozgera 549 113 10ms 19 May 2021 169th theunofficialcoder 549 113 9ms 18 Aug 2021 169th AnnoyedArt1256 549 113 10ms 8 Jan 2022 169th GeorgeStechman 🇬🇧 549 113 9ms 7 Jun 2022 169th TechNolaByte 549 113 10ms 26 Dec 2022 169th ZoeMcG 549 113 9ms 8 Jan 2023 169th hacker19374 549 113 12ms 10 Mar 2023 169th HumanoidCPU 549 113 9ms 3 May 2024 169th gigaprofisi 🇺🇸 549 113 9ms 20 Jun 2025 181st jiaminglimjm 🇲🇾 544 114 12ms 4 Jul 2020 182nd KatieLG-Transpiler 🇬🇧 539 115 9ms 23 Jun 2022 182nd apokryfos 539 115 8ms 21 Aug 2023 182nd hacker112 🇸🇪 539 115 10ms 20 Jun 2024 185th dijs 534 116 9ms 5 Dec 2019 186th Cr3aHal0 530 117 10ms 27 Jun 2019 187th wrauner 525 118 10ms 15 Aug 2019 188th lowlighter 521 119 14ms 30 Oct 2020 188th TheRealOhead 🇺🇸 521 119 10ms 25 Jan 2023 190th Nefsen402 517 120 14ms 23 Jan 2019 190th MrMullac 517 120 11ms 2 May 2025 192nd pbarath 504 123 11ms 19 May 2021 193rd emilianoyaryura 500 124 8ms 30 Jan 2021 194th lewdev 🇺🇸 496 125 10ms 26 Jul 2021 194th bac0id 496 125 9ms 30 Jun 2024 196th efgen 492 126 9ms 14 Jun 2020 197th vititu 481 129 14ms 29 Apr 2020 197th maxpelic 🇺🇸 481 129 10ms 10 Jul 2022 199th davidbutt 477 130 10ms 26 Jul 2018 199th TheLazySquid 477 130 14ms 21 Dec 2022 201st DmyBor 473 131 10ms 4 May 2018 201st aaronze 🇦🇺 473 131 10ms 25 Apr 2021 201st Florian-Mt 473 131 9ms 23 Oct 2023 204th varbrad 466 133 10ms 5 Dec 2017 204th McErer 466 133 10ms 12 Jan 2019 204th vroup 🇩🇰 466 133 10ms 2 Oct 2022 207th OmegaB0t 463 134 9ms 5 Dec 2019 207th lunananananananana 🇨🇭 463 134 10ms 27 Jun 2021 209th marekMin 456 136 208ms 11 Jun 2019 210th roguh 🇬🇹 453 137 9ms 13 Oct 2024 211th ioioii 443 140 14ms 13 Dec 2019 212th msbranicky 440 141 10ms 8 Sep 2023 213th apatozi 428 145 9ms 10 May 2021 214th retrohun 425 146 9ms 21 Dec 2018 214th mikerees 425 146 8ms 5 Aug 2019 214th pandapawskat 425 146 9ms 2 Dec 2020 214th mokymok 🇺🇸 425 146 8ms 8 Nov 2021 214th zt14427 425 146 9ms 4 Mar 2023 214th itserasmus 425 146 9ms 17 Jan 2024 214th Mabeloid 🇳🇴 425 146 9ms 20 Sep 2024 221st Johannesd3 411 151 14ms 5 Apr 2020 222nd Ranner198 397 156 11ms 13 Jun 2024 223rd stadamdoki 395 157 10ms 17 May 2021 224th MyXoToD 🇩🇪 390 159 10ms 8 May 2025 225th jacobshu 380 163 9ms 15 Oct 2020 226th tfk333 310 200 10ms 23 Feb 2018 227th YoungjuneKwon 302 205 9ms 6 Dec 2018 228th WilleyOhana 276 225 9ms 13 Jan 2022 229th nati047 243 255 9ms 7 Apr 2023 230th nico-bachner 190 327 10ms 5 Dec 2020 231st jayanwar 176 353 11ms 5 Nov 2019 232nd seanleken 167 371 11ms 6 Nov 2019 233rd stifflerus 125 496 14ms 12 Sep 2018 234th deryilz 122 510 9ms 4 Jan 2023 235th metakuna 109 570 13ms 16 Apr 2019 First Prev 161–235 of 235
