Happy Numbers (Long) in all languages 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 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 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 Multitap Input NFA Simulator 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 ><> 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 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 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 Multitap Input NFA Simulator 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 820th NerdyMcNerd42 769 91 14ms 22 Mar 2024 827th emgordon154 769 146 19ms 10 Jun 2025 828th NewDefectus 🇮🇱 768 64 51ms 21 Sep 2021 829th prplz 🇦🇺 768 91 2ms 19 Dec 2021 830th snoozingnewt 🇨🇦 768 92 3,159ms 27 Sep 2025 831st DialFrost 🇸🇬 766 127 94ms 6 days ago 832nd MeWhenI 🇻🇦 766 244 16ms 28 Aug 2023 833rd strout 765 89 193ms 15 Aug 2022 834th kTheLemon 765 100 2ms 2 Apr 2025 835th janbehrens 🇩🇪 765 165 30ms 20 Sep 2021 836th jared-hughes 764 123 324ms 24 Sep 2025 836th Babafaba 764 123 341ms 14 Oct 2025 838th UnderKoen 🇳🇱 764 147 34ms 20 Apr 2023 839th prplz 🇦🇺 763 49 193ms 27 Sep 2021 840th DialFrost 🇸🇬 763 112 43ms 13 Feb 2025 841st shawphy 761 78 10ms 12 Oct 2021 842nd Yewzir 🇧🇪 761 166 27ms 14 Jan 2024 843rd Indivicivet 760 92 318ms 26 Oct 2021 843rd Irratix 🇳🇱 760 92 2ms 19 Dec 2021 843rd nullie 760 92 20ms 8 Jun 2022 843rd jbjd 760 92 22ms 23 Nov 2024 843rd 5quiwyrm 760 92 238ms 25 Nov 2024 843rd qpwoeirut 760 92 20ms 12 days ago 849th Shanethegamer 🇺🇸 760 93 3,044ms 27 Oct 2024 850th Andriamanitra 🇫🇮 759 63 63ms 20 Jul 2022 851st Yewzir 🇧🇪 758 99 40ms 18 Dec 2024 852nd Irratix 🇳🇱 757 90 146ms 24 Sep 2021 853rd jared-hughes 757 101 2ms 17 Mar 2022 854th MeWhenI 🇻🇦 756 95 14ms 23 May 2023 855th prplz 🇦🇺 755 66 1,268ms 27 Sep 2021 855th DialFrost 🇸🇬 755 66 678ms 10 Oct 2024 857th Yewzir 🇧🇪 755 102 345ms 13 Jan 2024 858th yzhs 🇩🇪 754 66 989ms 5 Nov 2021 859th msbranicky 753 89 590ms 17 Jan 2024 859th Stockoh 🇫🇷 753 89 489ms 24 Jun 2024 859th Mabeloid 🇳🇴 753 89 520ms 18 Sep 2024 862nd emgordon154 752 77 130ms 7 Nov 2024 863rd alasdair-greenland 752 79 22ms 10 Nov 2021 863rd igmcdowell 752 79 11ms 11 Dec 2021 863rd dylanarmstrong 752 79 12ms 24 Jan 2024 866th stewSquared 🇺🇸 752 93 19ms 27 Sep 2022 866th FlorianCassayre 🇫🇷 752 93 224ms 18 Oct 2022 866th ssbhatt4321 752 93 21ms 11 Jun 2023 866th Glinte 752 93 406ms 11 Dec 2023 866th Hebelub 752 93 14ms 5 Jan 2024 866th tobeannouncd 752 93 20ms 25 Apr 2025 866th YAJUE114514 752 93 420ms 28 Jul 2025 873rd snoozingnewt 🇨🇦 752 125 334ms 3 Oct 2025 874th Shanethegamer 🇺🇸 752 168 28ms 20 Sep 2021 875th janbehrens 🇩🇪 750 64 456ms 9 Nov 2021 876th Shanethegamer 🇺🇸 750 102 2ms 12 Dec 2022 876th dokutan 750 102 2ms 6 Nov 2025 878th 386asm 🇺🇸 749 117 44ms 10 Apr 2023 879th KrausRaus 🇺🇸 748 97 2ms 24 Oct 2023 880th dokutan 748 103 337ms 11 days ago 881st emgordon154 748 130 93ms 35 hours ago 882nd Shanethegamer 🇺🇸 748 131 27ms 20 Mar 2023 883rd Irratix 🇳🇱 747 64 49ms 4 Mar 2022 883rd annaproxy 747 64 65ms 27 Aug 2022 885th CatsAreFluffy 745 66 2,670ms 31 Jan 2023 886th trist224 🇫🇷 745 126 379ms 15 Nov 2022 887th drochom 744 94 326ms 22 Jun 2024 887th martion2007 744 94 70ms 14 Aug 2024 889th Yewzir 🇧🇪 744 111 500ms 13 Jan 2024 890th akamayu-ouo 🇹🇼 743 35 5ms 30 Jul 2024 891st snoozingnewt 🇨🇦 743 84 81ms 22 Oct 2025 892nd jared-hughes 743 94 2ms 14 Mar 2022 892nd Shanethegamer 🇺🇸 743 94 2ms 18 Dec 2022 892nd KenanHanke 743 94 2ms 22 Feb 2023 892nd Yewzir 🇧🇪 743 94 2ms 10 Jan 2024 896th KatieLG 🇬🇧 742 67 971ms 21 Sep 2021 897th itsh01 742 80 40ms 4 Oct 2021 897th voytxt 🇨🇿 742 80 11ms 2 Mar 2022 897th dokutan 742 80 22ms 24 Dec 2024 900th j-Ewan 741 41 34ms 22 Feb 2022 First Prev 826–900 of 2,028 Next Last