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 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 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 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 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 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 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 481st GrayJoKing 🇦🇺 863 94 157ms 23 Oct 2023 482nd lifthrasiir 🇰🇷 862 29 5ms 29 Nov 2024 483rd m-tkach 🇺🇦 862 81 3ms 6 Oct 2021 483rd Steffan153 🇫🇮 862 81 3ms 12 Jan 2023 483rd inventshah 862 81 3ms 14 Feb 2023 483rd Alex-x90 🇺🇸 862 81 3ms 14 Feb 2023 483rd JohandeRuiter 🇳🇱 862 81 4ms 8 Sep 2024 488th DialFrost 🇸🇬 861 87 35ms 12 Dec 2024 489th NewDefectus 🇮🇱 860 69 11ms 16 Dec 2021 489th Shanethegamer 🇺🇸 860 69 10ms 25 Apr 2023 489th KrausRaus 🇺🇸 860 69 12ms 6 Jan 2026 492nd stefangimmillaro 860 82 2,213ms 6 Nov 2024 492nd emgordon154 860 82 2,310ms 8 Nov 2024 492nd DialFrost 🇸🇬 860 82 2,262ms 19 Nov 2024 495th ovs-code 🇩🇪 860 96 460ms 29 Jul 2024 496th c0d3-4-F00d 🇩🇪 860 115 43ms 5 Jan 2022 496th MeWhenI 🇻🇦 860 115 43ms 21 Jun 2022 496th DialFrost 🇸🇬 860 115 44ms 28 Jan 2023 496th snoozingnewt 🇨🇦 860 115 43ms 16 Oct 2025 496th blaztoma 🇱🇹 860 115 44ms 23 Nov 2025 501st Shanethegamer 🇺🇸 859 93 151ms 20 Sep 2021 501st Yewzir 🇧🇪 859 93 138ms 27 Mar 2024 503rd Shanethegamer 🇺🇸 859 98 4ms 20 Dec 2024 504th emgordon154 858 179 1,700ms 10 Jan 2026 505th DialFrost 🇸🇬 856 58 1,363ms 13 Apr 2025 506th GrayJoKing 🇦🇺 856 86 8ms 17 days ago 507th edsrzf 🇳🇿 856 139 279ms 23 Oct 2024 508th GrayJoKing 🇦🇺 855 105 42ms 12 Mar 2022 509th Shanethegamer 🇺🇸 855 110 440ms 25 Sep 2025 509th Yewzir 🇧🇪 855 110 390ms 2 Oct 2025 509th CaedenHarper 🇨🇦 855 110 489ms 5 Nov 2025 509th MeWhenI 🇻🇦 855 110 461ms 7 Nov 2025 513th ovs-code 🇩🇪 854 89 15ms 30 Jun 2024 514th MeWhenI 🇻🇦 853 51 20ms 15 Feb 2025 515th akshatj27 🇦🇶 853 56 40ms 11 Jan 2022 515th m-tkach 🇺🇦 853 56 39ms 23 Feb 2023 517th SirBogman 🇺🇸 853 82 215ms 21 Sep 2021 517th stefangimmillaro 853 82 312ms 27 Sep 2021 517th NewDefectus 🇮🇱 853 82 20ms 16 Dec 2021 517th CedricGebistorf 853 82 228ms 25 Feb 2022 517th Shanethegamer 🇺🇸 853 82 302ms 16 Dec 2022 517th aksyristos 853 82 198ms 12 Feb 2023 517th quimey 853 82 219ms 22 Mar 2023 517th StefanHabel 🇨🇦 853 82 301ms 26 Mar 2023 517th Fracture17 853 82 268ms 8 Apr 2023 517th Re-Adventures 🇮🇳 853 82 216ms 20 Jul 2023 517th Natanaelel 🇸🇪 853 82 217ms 29 Oct 2023 517th Just4FunCoder 853 82 304ms 17 Feb 2024 517th codingisgreatbutiamnot 853 82 300ms 25 Jul 2024 517th lifthrasiir 🇰🇷 853 82 13ms 13 Nov 2024 517th klixel 🇨🇦 853 82 300ms 17 Jan 2025 517th blaztoma 🇱🇹 853 82 267ms 15 Nov 2025 517th CommandLeo 🇮🇹 853 82 300ms 3 Dec 2025 517th luuumine 🇫🇷 853 82 305ms 4 Dec 2025 517th FortuiteMan 🇫🇷 853 82 296ms 5 Dec 2025 517th FoxInTheClouds 853 82 218ms 13 Feb 2026 537th lynn 853 115 28ms 21 Aug 2023 538th MeWhenI 🇻🇦 852 72 85ms 13 Dec 2022 539th MeWhenI 🇻🇦 852 77 62ms 19 Sep 2021 539th snoozingnewt 🇨🇦 852 77 63ms 16 Oct 2025 541st The3gs 852 117 132ms 29 Nov 2024 542nd marcin7Cd 851 80 146ms 29 Sep 2021 542nd cbrt-x 851 80 154ms 15 Sep 2023 544th primo-ppcg 🇹🇭 851 82 1ms 22 Sep 2021 544th nwellnhof 🇩🇪 851 82 2ms 22 Sep 2021 544th Attero 🇸🇪 851 82 3ms 23 Dec 2021 544th c0d3-4-F00d 🇩🇪 851 82 3ms 5 Jan 2022 544th snoozingnewt 🇨🇦 851 82 3ms 13 Sep 2025 549th duckyluuk 🇳🇱 851 88 29ms 12 Dec 2024 549th GolfingSuccess 🇬🇷 851 88 24ms 11 Sep 2025 551st Lydxn 🇨🇦 851 90 40ms 20 Sep 2021 551st Steffan153 🇫🇮 851 90 40ms 12 Jan 2023 551st stefangimmillaro 851 90 40ms 26 Jan 2023 551st MeWhenI 🇻🇦 851 90 41ms 14 May 2023 551st DialFrost 🇸🇬 851 90 41ms 22 Oct 2024 556th inventshah 850 83 2,389ms 24 Oct 2024 556th aditsu 850 83 2,265ms 10 Aug 2025 558th snoozingnewt 🇨🇦 850 99 4ms 1 Sep 2024 559th janbehrens 🇩🇪 849 140 300ms 20 Sep 2021 560th m-tkach 🇺🇦 849 143 25ms 7 Apr 2022 First Prev 481–560 of 2,093 Next Last