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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 76th jusaka 775 80 12ms 3 days ago 82nd tangweikun 765 81 12ms 24 Oct 2018 82nd randolchance 765 81 10ms 5 Jan 2023 82nd SirFireball3521 765 81 10ms 28 Jan 2023 82nd Program-Pi 765 81 10ms 26 Feb 2026 86th GarboMuffin 756 82 10ms 23 Jul 2018 86th raphaelimahorn 756 82 9ms 17 Aug 2021 86th biocommando 🇫🇮 756 82 9ms 22 Aug 2023 86th acollett89 756 82 10ms 4 Aug 2025 86th Protothor 756 82 10ms 26 Feb 2026 91st dee-gomma 747 83 9ms 27 Mar 2019 91st Garklein 🇨🇦 747 83 9ms 20 Feb 2022 91st trinityy-7 747 83 9ms 6 Dec 2023 94th Mazn3k 738 84 12ms 15 Mar 2023 95th piano-miles 729 85 10ms 12 Mar 2023 95th coreynash 729 85 11ms 17 Oct 2023 95th CaedenHarper 🇨🇦 729 85 10ms 31 Aug 2025 98th alexkunin 721 86 11ms 3 Jul 2019 98th uttumuttu 🇫🇮 721 86 10ms 4 Jan 2022 98th lordsnek 721 86 11ms 19 Jan 2023 98th junkondo-jp 721 86 10ms 13 May 2024 102nd Chegleyev 713 87 9ms 2 Feb 2020 103rd elisherer 🇮🇱 705 88 9ms 23 Dec 2019 104th jackkav 697 89 10ms 13 Apr 2018 104th moikaturns 🇬🇧 697 89 10ms 20 Oct 2022 104th codewrite 🇬🇧 697 89 11ms 30 Jun 2025 104th Andrey-Plotnikov 697 89 12ms 27 Sep 2025 108th obarakon 689 90 418ms 20 Dec 2018 108th amiralitaheri 689 90 10ms 23 Feb 2023 108th m42km 689 90 10ms 7 Oct 2023 111th mrxz 🇳🇱 681 91 12ms 23 Jun 2019 111th nguyenl2 681 91 9ms 24 May 2022 111th BambooleanLogic 🇸🇪 681 91 9ms 13 Nov 2022 111th daniel-cardone 681 91 9ms 23 Aug 2023 115th cmorten 674 92 9ms 2 Nov 2017 115th NatNgs 674 92 9ms 21 Jan 2020 115th BBoehm 🇩🇪 674 92 10ms 19 Dec 2020 115th omurakazuaki 🇯🇵 674 92 10ms 19 Feb 2021 115th CatsAreFluffy 674 92 9ms 12 Dec 2022 115th Davr1 🇨🇿 674 92 11ms 14 Oct 2023 115th alexsave 674 92 10ms 7 Nov 2024 122nd user189032 667 93 9ms 29 May 2019 122nd LukeBridges 🇬🇧 667 93 14ms 8 Oct 2024 124th Kesefon 660 94 10ms 24 Nov 2022 125th mintypython 653 95 10ms 21 Oct 2018 125th tomh1012 653 95 11ms 16 Sep 2020 125th KingSkyrock 🇺🇸 653 95 12ms 11 Mar 2022 125th a6166231 🇨🇳 653 95 9ms 20 May 2025 129th Giga-Bowser 646 96 9ms 3 Jan 2022 129th zakariamouhid 646 96 11ms 1 May 2023 131st caasinehc 639 97 11ms 16 Oct 2018 131st squadb3 639 97 12ms 31 Aug 2019 131st mobibluman 639 97 10ms 17 Oct 2022 134th rambox11 633 98 9ms 2 Apr 2018 134th frobinsonj 633 98 9ms 28 Jun 2018 134th paavohuhtala 633 98 10ms 4 Jan 2020 137th jake-freeman 626 99 9ms 12 May 2020 137th Natanaelel 🇸🇪 626 99 10ms 20 Mar 2022 137th raszpi 🇭🇺 626 99 11ms 3 Sep 2023 140th ShiraJoseph 🇺🇸 620 100 10ms 28 Apr 2022 140th Salutations45 620 100 9ms 2 Jan 2025 140th smclaughlin-cf 620 100 9ms 26 Nov 2025 143rd Caylyn 614 101 9ms 22 Dec 2018 143rd skps2010 614 101 10ms 4 Jan 2019 145th oitio 608 102 9ms 31 May 2019 145th lukasmoellerch 608 102 10ms 14 Jul 2019 147th steffan-polygolf 602 103 10ms 19 Feb 2024 147th r-schmidtke 602 103 8ms 26 Jun 2024 149th Palladium02 596 104 9ms 5 May 2025 150th Zolmeister 590 105 10ms 31 Jan 2019 150th paudr 590 105 10ms 5 May 2019 150th modellking 590 105 10ms 3 Jun 2020 150th hyvyys 590 105 11ms 18 Sep 2020 150th GusGold 590 105 10ms 17 Nov 2020 150th typeswitch-dev 🇵🇹 590 105 10ms 1 Aug 2023 156th Jooraz 585 106 10ms 13 May 2019 156th rodigu 585 106 10ms 14 Jun 2021 158th xyangst 579 107 10ms 7 Oct 2024 159th RonnyPumaricra 574 108 10ms 25 Nov 2020 159th tscherter 574 108 10ms 4 Dec 2020 First Prev 81–160 of 237 Next Last