Happy Numbers in all languages in chars. 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 Chars Time Submitted 447th edsrzf 🇳🇿 835 85 1ms 5 Mar 2025 452nd edsrzf 🇳🇿 834 71 98ms 55 mins ago 453rd nwellnhof 🇩🇪 832 79 338ms 25 Sep 2025 453rd stefangimmillaro 832 79 337ms 6 Oct 2025 453rd DialFrost 🇸🇬 832 79 334ms 14 days ago 456th msbranicky 832 102 260ms 8 Sep 2023 456th kkoenig 832 102 251ms 5 Jan 2024 458th AdrienHache 🇫🇷 831 83 49ms 7 Jan 2024 458th sean-niemann 🇺🇸 831 83 52ms 21 Mar 2025 460th stackofbears 828 33 35ms 14 Mar 2025 460th 2bular 828 33 30ms 21 days ago 462nd MeWhenI 🇻🇦 827 36 2ms 24 Jul 2021 463rd stefangimmillaro 827 76 119ms 4 Oct 2023 464th AlephSquirrel 827 83 6ms 21 Jan 2023 465th agschwender 824 103 264ms 21 Apr 2020 465th JunkIce 824 103 256ms 23 Feb 2025 467th Shanethegamer 🇺🇸 823 66 105ms 13 Mar 2023 468th AdrienHache 🇫🇷 822 64 2ms 7 Jan 2024 469th Shanethegamer 🇺🇸 817 28 45ms 22 Jul 2022 470th AlephSquirrel 815 27 2ms 24 days ago 471st Constructor7 812 58 11ms 24 Feb 2018 471st GolfingSuccess 🇬🇷 812 58 13ms 26 Mar 2018 471st xnor-gate 812 58 17ms 12 Apr 2018 471st kmaork 🇮🇱 812 58 14ms 18 Apr 2018 471st edre 812 58 9ms 30 Apr 2018 471st j55d 812 58 10ms 19 Sep 2018 471st daedals 812 58 9ms 16 Apr 2019 471st villfa 812 58 10ms 20 May 2019 471st TFeld00 🇩🇰 812 58 9ms 31 May 2019 471st marcin7Cd 812 58 9ms 27 Aug 2019 471st jiaminglimjm 🇲🇾 812 58 10ms 12 Dec 2019 471st SirBogman 🇺🇸 812 58 10ms 4 Jan 2020 471st thisishowmymindworks 🇳🇴 812 58 9ms 22 Jul 2020 471st ToriTheChicken 812 58 10ms 23 Jul 2020 471st anter69 🇭🇺 812 58 9ms 14 Jan 2021 471st lynn 812 58 10ms 2 Mar 2021 471st vezzick 812 58 9ms 7 Mar 2021 471st Indivicivet 812 58 10ms 26 Mar 2021 471st Larspolo 812 58 13ms 20 Jun 2021 471st emplv 🇱🇻 812 58 10ms 31 Aug 2021 471st jared-hughes 812 58 24ms 19 Sep 2021 471st ovs-code 🇩🇪 812 58 10ms 1 Feb 2022 471st MichaelMBradley 🇨🇦 812 58 9ms 11 Jun 2022 471st bricknellj 812 58 9ms 29 Jun 2022 471st janbehrens 🇩🇪 812 58 10ms 4 Jul 2022 471st betaveros 812 58 9ms 9 Aug 2022 471st 5quiwyrm 812 58 10ms 20 Aug 2022 471st ItsMeNoobieboy 812 58 11ms 21 Dec 2022 471st AlephSquirrel 812 58 10ms 28 Jan 2023 471st scpchicken 🇵🇼 812 58 10ms 28 Jan 2023 471st CheeseCake628 🇳🇴 812 58 15ms 16 Feb 2023 471st Just4FunCoder 812 58 13ms 22 Mar 2023 471st fourth-bit 812 58 9ms 11 Jul 2023 471st RYNO8 812 58 41ms 22 Aug 2023 471st Rubiksmath 812 58 9ms 25 Aug 2023 471st Yewzir 🇧🇪 812 58 9ms 6 Oct 2023 471st keelimeguy 🇺🇸 812 58 21ms 19 Oct 2023 471st 1231234md5 🇨🇳 812 58 13ms 13 Dec 2023 471st stackofbears 812 58 9ms 27 Dec 2023 471st CutSandstone 812 58 9ms 5 Jul 2024 471st Bulmenisaurus 812 58 10ms 17 Jul 2024 471st CaedenHarper 🇨🇦 812 58 10ms 6 Aug 2024 471st codingisgreatbutiamnot 812 58 17ms 12 Aug 2024 471st plcc0 812 58 12ms 20 Feb 2025 471st albanian-laundromat 812 58 9ms 30 Jun 2025 471st SanderRuud 812 58 10ms 13 Jul 2025 471st edsrzf 🇳🇿 812 58 9ms 15 Sep 2025 471st qpwoeirut 812 58 9ms 1 Oct 2025 471st blaztoma 🇱🇹 812 58 9ms 11 days ago 471st Emutis 🇱🇹 812 58 9ms 11 days ago 471st sunleonid 812 58 9ms 5 days ago 522nd emplv 🇱🇻 811 67 107ms 14 Mar 2023 523rd somebody1234 807 85 6ms 20 Nov 2018 523rd dokutan 807 85 6ms 15 Jan 2024 523rd Yewzir 🇧🇪 807 85 6ms 6 Feb 2024 First Prev 451–525 of 3,098 Next Last