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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 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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 101st Chegleyev 713 87 11ms 2 Feb 2020 102nd elisherer 🇮🇱 705 88 10ms 23 Dec 2019 103rd jackkav 697 89 11ms 13 Apr 2018 103rd moikaturns 🇬🇧 697 89 10ms 20 Oct 2022 103rd codewrite 🇬🇧 697 89 12ms 30 Jun 2025 103rd Andrey-Plotnikov 697 89 11ms 27 Sep 2025 107th obarakon 689 90 368ms 20 Dec 2018 107th amiralitaheri 689 90 13ms 23 Feb 2023 107th m42km 689 90 11ms 7 Oct 2023 110th mrxz 🇳🇱 681 91 12ms 23 Jun 2019 110th nguyenl2 681 91 11ms 24 May 2022 110th BambooleanLogic 🇸🇪 681 91 15ms 13 Nov 2022 110th daniel-cardone 681 91 10ms 23 Aug 2023 114th cmorten 674 92 11ms 2 Nov 2017 114th NatNgs 674 92 10ms 21 Jan 2020 114th BBoehm 🇩🇪 674 92 11ms 19 Dec 2020 114th omurakazuaki 🇯🇵 674 92 10ms 19 Feb 2021 114th CatsAreFluffy 674 92 14ms 12 Dec 2022 114th Davr1 🇨🇿 674 92 12ms 14 Oct 2023 114th alexsave 674 92 11ms 7 Nov 2024 121st user189032 667 93 10ms 29 May 2019 121st LukeBridges 🇬🇧 667 93 18ms 8 Oct 2024 123rd Kesefon 660 94 12ms 24 Nov 2022 124th mintypython 653 95 9ms 21 Oct 2018 124th tomh1012 653 95 11ms 16 Sep 2020 124th KingSkyrock 🇺🇸 653 95 11ms 11 Mar 2022 124th a6166231 🇨🇳 653 95 10ms 20 May 2025 128th Giga-Bowser 646 96 10ms 3 Jan 2022 128th zakariamouhid 646 96 10ms 1 May 2023 130th caasinehc 639 97 11ms 16 Oct 2018 130th squadb3 639 97 13ms 31 Aug 2019 130th mobibluman 639 97 12ms 17 Oct 2022 133rd rambox11 633 98 10ms 2 Apr 2018 133rd frobinsonj 633 98 10ms 28 Jun 2018 133rd paavohuhtala 633 98 11ms 4 Jan 2020 136th jake-freeman 626 99 10ms 12 May 2020 136th Natanaelel 🇸🇪 626 99 10ms 20 Mar 2022 136th raszpi 🇭🇺 626 99 10ms 3 Sep 2023 139th ShiraJoseph 🇺🇸 620 100 11ms 28 Apr 2022 139th Salutations45 620 100 14ms 2 Jan 2025 139th smclaughlin-cf 620 100 11ms 26 Nov 2025 142nd Caylyn 614 101 11ms 22 Dec 2018 142nd skps2010 614 101 10ms 4 Jan 2019 144th oitio 608 102 10ms 31 May 2019 144th lukasmoellerch 608 102 12ms 14 Jul 2019 146th steffan-polygolf 602 103 10ms 19 Feb 2024 146th r-schmidtke 602 103 12ms 26 Jun 2024 148th Palladium02 596 104 11ms 5 May 2025 149th Zolmeister 590 105 10ms 31 Jan 2019 149th paudr 590 105 10ms 5 May 2019 149th modellking 590 105 11ms 3 Jun 2020 149th hyvyys 590 105 14ms 18 Sep 2020 149th GusGold 590 105 11ms 17 Nov 2020 149th typeswitch-dev 🇵🇹 590 105 11ms 1 Aug 2023 155th Jooraz 585 106 14ms 13 May 2019 155th rodigu 585 106 10ms 14 Jun 2021 157th xyangst 579 107 12ms 7 Oct 2024 158th RonnyPumaricra 574 108 10ms 25 Nov 2020 158th tscherter 574 108 11ms 4 Dec 2020 160th sethimcclaine 569 109 10ms 5 Apr 2019 160th ereztaiar 🇮🇱 569 109 15ms 7 Sep 2021 160th olleicua 🇺🇸 569 109 11ms 13 Feb 2024 163rd berdzi 564 110 12ms 8 Mar 2022 163rd adamnielson42 🇺🇸 564 110 11ms 30 May 2023 165th ian-odonnell 559 111 11ms 14 Mar 2018 165th dsntzn 🇸🇰 559 111 12ms 21 Aug 2020 165th wansacis 🇩🇪 559 111 11ms 26 Jul 2021 165th SpareManiKatti 559 111 10ms 9 Sep 2021 169th Ashikpaul 🇮🇳 554 112 17ms 9 May 2021 170th JRaspass 🇬🇧 549 113 11ms 7 Jul 2020 170th Kibble 549 113 13ms 12 Jul 2020 170th gnlow 🇰🇷 549 113 9ms 6 Mar 2021 170th kozgera 549 113 11ms 19 May 2021 170th theunofficialcoder 549 113 9ms 18 Aug 2021 170th AnnoyedArt1256 549 113 14ms 8 Jan 2022 170th GeorgeStechman 🇬🇧 549 113 9ms 7 Jun 2022 170th TechNolaByte 549 113 10ms 26 Dec 2022 170th ZoeMcG 549 113 10ms 8 Jan 2023 170th hacker19374 549 113 9ms 10 Mar 2023 170th HumanoidCPU 549 113 10ms 3 May 2024 170th gigaprofisi 🇺🇸 549 113 9ms 20 Jun 2025 182nd jiaminglimjm 🇲🇾 544 114 10ms 4 Jul 2020 183rd KatieLG-Transpiler 🇬🇧 539 115 9ms 23 Jun 2022 183rd apokryfos 539 115 9ms 21 Aug 2023 183rd hacker112 🇸🇪 539 115 12ms 20 Jun 2024 186th dijs 534 116 10ms 5 Dec 2019 187th Cr3aHal0 530 117 10ms 27 Jun 2019 188th wrauner 525 118 10ms 15 Aug 2019 189th lowlighter 521 119 12ms 30 Oct 2020 189th owen-c-parker 🇺🇸 521 119 10ms 25 Jan 2023 191st Nefsen402 517 120 15ms 23 Jan 2019 191st MrMullac 517 120 10ms 2 May 2025 193rd pbarath 504 123 10ms 19 May 2021 194th emilianoyaryura 500 124 10ms 30 Jan 2021 195th lewdev 🇺🇸 496 125 13ms 26 Jul 2021 195th bac0id 496 125 11ms 30 Jun 2024 197th efgen 492 126 11ms 14 Jun 2020 198th vititu 481 129 10ms 29 Apr 2020 198th maxpelic 🇺🇸 481 129 11ms 10 Jul 2022 200th davidbutt 477 130 10ms 26 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