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 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 825th Babafaba 764 123 341ms 14 Oct 2025 827th UnderKoen 🇳🇱 764 147 24ms 20 Apr 2023 828th prplz 🇦🇺 763 49 193ms 27 Sep 2021 829th DialFrost 🇸🇬 763 112 43ms 13 Feb 2025 830th shawphy 761 78 11ms 12 Oct 2021 831st Yewzir 🇧🇪 761 166 27ms 14 Jan 2024 832nd Indivicivet 760 92 300ms 26 Oct 2021 832nd nullie 760 92 19ms 8 Jun 2022 832nd FortuiteMan 🇫🇷 760 92 20ms 10 Sep 2023 832nd jbjd 760 92 20ms 23 Nov 2024 832nd 5quiwyrm 760 92 234ms 25 Nov 2024 832nd qpwoeirut 760 92 19ms 4 days ago 838th Shanethegamer 🇺🇸 760 93 3,044ms 27 Oct 2024 839th Andriamanitra 🇫🇮 759 63 63ms 20 Jul 2022 840th Irratix 🇳🇱 759 92 2ms 19 Dec 2021 841st Yewzir 🇧🇪 758 99 40ms 18 Dec 2024 842nd Irratix 🇳🇱 757 90 146ms 24 Sep 2021 843rd jared-hughes 757 101 3ms 17 Mar 2022 844th MeWhenI 🇻🇦 756 95 14ms 23 May 2023 845th prplz 🇦🇺 755 66 1,268ms 27 Sep 2021 845th DialFrost 🇸🇬 755 66 678ms 10 Oct 2024 847th Yewzir 🇧🇪 755 102 345ms 13 Jan 2024 848th yzhs 🇩🇪 754 66 989ms 5 Nov 2021 849th msbranicky 753 89 648ms 17 Jan 2024 849th Stockoh 🇫🇷 753 89 585ms 24 Jun 2024 849th Mabeloid 🇳🇴 753 89 469ms 18 Sep 2024 852nd emgordon154 752 77 130ms 7 Nov 2024 853rd alasdair-greenland 752 79 25ms 10 Nov 2021 853rd igmcdowell 752 79 11ms 11 Dec 2021 853rd dylanarmstrong 752 79 11ms 24 Jan 2024 856th stewSquared 🇺🇸 752 93 19ms 27 Sep 2022 856th FlorianCassayre 🇫🇷 752 93 207ms 18 Oct 2022 856th ssbhatt4321 752 93 20ms 11 Jun 2023 856th Glinte 752 93 371ms 11 Dec 2023 856th Hebelub 752 93 14ms 5 Jan 2024 856th tobeannouncd 752 93 19ms 25 Apr 2025 856th YAJUE114514 752 93 378ms 28 Jul 2025 863rd snoozingnewt 🇺🇸 752 125 334ms 3 Oct 2025 864th Shanethegamer 🇺🇸 752 168 28ms 20 Sep 2021 865th janbehrens 🇩🇪 750 64 456ms 9 Nov 2021 866th Shanethegamer 🇺🇸 750 102 4ms 12 Dec 2022 866th dokutan 750 102 2ms 21 days ago 868th 386asm 🇺🇸 749 117 44ms 10 Apr 2023 869th KrausRaus 🇺🇸 748 97 2ms 24 Oct 2023 870th dokutan 748 103 337ms 3 days ago 871st Shanethegamer 🇺🇸 748 131 27ms 20 Mar 2023 872nd Irratix 🇳🇱 747 64 49ms 4 Mar 2022 872nd annaproxy 747 64 65ms 27 Aug 2022 874th CatsAreFluffy 745 66 2,670ms 31 Jan 2023 875th trist224 🇫🇷 745 126 370ms 15 Nov 2022 876th drochom 744 94 320ms 22 Jun 2024 876th martion2007 744 94 71ms 14 Aug 2024 878th Yewzir 🇧🇪 744 111 500ms 13 Jan 2024 879th akamayu-ouo 🇹🇼 743 35 5ms 30 Jul 2024 880th snoozingnewt 🇺🇸 743 84 81ms 22 Oct 2025 881st jared-hughes 743 94 2ms 14 Mar 2022 881st Shanethegamer 🇺🇸 743 94 2ms 18 Dec 2022 881st KenanHanke 743 94 2ms 22 Feb 2023 881st Yewzir 🇧🇪 743 94 2ms 10 Jan 2024 885th KatieLG 🇬🇧 742 67 971ms 21 Sep 2021 886th itsh01 742 80 41ms 4 Oct 2021 886th voytxt 🇨🇿 742 80 11ms 2 Mar 2022 886th dokutan 742 80 22ms 24 Dec 2024 889th j-Ewan 741 41 34ms 22 Feb 2022 890th primo-ppcg 🇹🇭 741 104 338ms 21 Nov 2021 890th Irratix 🇳🇱 741 104 346ms 13 Dec 2021 890th ericlangedijk 🇸🇮 741 104 379ms 17 Mar 2022 890th Matgc04 741 104 345ms 22 Aug 2023 890th CaedenHarper 🇨🇦 741 104 337ms 22 days ago 895th boxjelly 740 92 182ms 14 Mar 2022 896th Shanethegamer 🇺🇸 738 89 38ms 16 Apr 2024 897th AkashTandon167 736 95 72ms 2 Nov 2021 897th mhenion8293 🇺🇸 736 95 11ms 23 Jan 2022 897th 4ndyJ 🇬🇧 736 95 21ms 12 Feb 2023 897th Alex-x90 🇺🇸 736 95 21ms 13 Feb 2023 First Prev 826–900 of 2,011 Next Last