Happy Numbers in Python 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 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 Chars Time Submitted 161st xorraxrax 706 68 9ms 19 Oct 2019 161st NewDefectus 🇮🇱 706 68 11ms 1 Nov 2020 161st ydevor 🇮🇱 706 68 10ms 26 Nov 2020 161st jacklynnepenick 706 68 50ms 17 Aug 2021 161st aposteriorist 🇨🇦 706 68 10ms 6 Feb 2022 161st PowerR0 706 68 9ms 25 Aug 2022 161st SB-945 706 68 17ms 31 Mar 2024 161st Troon 706 68 10ms 11 Feb 2025 169th Espiobest 696 69 15ms 26 Feb 2021 169th cbondurant 696 69 9ms 10 May 2021 169th hellwue 696 69 9ms 8 Feb 2023 169th Vaekor 696 69 9ms 9 Jul 2023 169th jatloe 696 69 80ms 27 Sep 2024 174th gilufin 686 70 75ms 23 May 2021 174th kellantech 686 70 10ms 3 Jun 2023 174th 2011-Chan-Ethan 686 70 77ms 12 Jul 2023 174th Dataen 686 70 10ms 5 Jan 2024 174th katss2 686 70 14ms 14 Aug 2025 179th tnecio 676 71 10ms 29 Apr 2021 179th commandz0 🇺🇸 676 71 9ms 30 Sep 2022 181st FlorianCassayre 🇫🇷 658 73 9ms 30 Oct 2022 181st cykim8811 658 73 16ms 11 Jul 2024 183rd Mortis66666 649 74 17ms 10 Jun 2022 183rd robin-scragg 649 74 9ms 12 Jun 2025 183rd csharpython 649 74 18ms 17 Jul 2025 186th FCORMERAIS 623 77 10ms 7 Mar 2024 186th ahmetdemirag 🇨🇾 623 77 61ms 11 Feb 2025 188th Re-Adventures 🇮🇳 615 78 16ms 10 Oct 2020 188th davecame 615 78 9ms 14 Aug 2023 188th snydej 615 78 32ms 22 Nov 2024 188th InigoK 🇺🇸 615 78 36ms 5 Sep 2025 188th CommandLeo 🇮🇹 615 78 46ms 23 Dec 2025 193rd Eilonlif 🇮🇱 608 79 75ms 20 Feb 2023 193rd fgrosshans 🇫🇷 608 79 63ms 23 Jul 2024 193rd EnTerr 608 79 45ms 1 Sep 2024 193rd jipsong 🇩🇪 608 79 56ms 20 Jun 2025 193rd 77Tigers 608 79 41ms 13 Jan 2026 198th dim-an 600 80 9ms 7 Dec 2020 198th ageneric 600 80 41ms 7 Feb 2021 198th ehulinsky 🇺🇸 600 80 46ms 10 Nov 2021 198th guilhem-roy 🇫🇷 600 80 50ms 26 Feb 2022 198th suwat513 600 80 71ms 15 Sep 2022 198th jhu04 600 80 609ms 18 Jan 2024 198th Bmrl7 600 80 9ms 29 Feb 2024 198th jtaxen 600 80 52ms 4 Apr 2024 206th dzhang314 593 81 74ms 14 Aug 2019 206th dlenski 593 81 16ms 13 Mar 2020 206th yzhs 🇩🇪 593 81 17ms 25 Oct 2020 206th hiddicop 🇸🇪 593 81 75ms 26 Jan 2021 206th CedricGebistorf 593 81 55ms 25 Feb 2022 206th LogicalJoe 593 81 49ms 7 Oct 2022 206th adamnielson42 🇺🇸 593 81 31ms 10 Apr 2023 206th Shanethegamer 🇺🇸 593 81 74ms 9 Oct 2023 206th Natanaelel 🇸🇪 593 81 58ms 29 Oct 2023 206th rollershutter 593 81 74ms 27 Jun 2024 206th klixel 🇨🇦 593 81 74ms 31 Dec 2024 206th Artemis21 🇬🇧 593 81 17ms 10 Jan 2025 206th luuumine 🇫🇷 593 81 73ms 4 Dec 2025 206th FortuiteMan 🇫🇷 593 81 75ms 5 Dec 2025 220th Dazza314 🇬🇧 585 82 55ms 3 Nov 2020 220th zacjl 585 82 51ms 20 Apr 2023 220th OwPowell 585 82 74ms 19 Dec 2023 220th denkyuu1 585 82 34ms 10 days ago 224th Bonjour27891 🇻🇳 578 83 26ms 9 Feb 2022 224th tkr-sh 🇰🇵 578 83 73ms 24 Apr 2022 224th thehylian 578 83 16ms 2 Jan 2023 224th b10011 🇫🇮 578 83 10ms 7 Jan 2023 224th badboj40 578 83 71ms 12 Feb 2023 224th randolchance 578 83 17ms 16 Feb 2023 224th ceeb9 578 83 63ms 13 Aug 2023 224th firegene 🇮🇪 578 83 17ms 22 Dec 2023 224th drochom 578 83 9ms 16 Jun 2024 224th moustave 578 83 45ms 26 Nov 2024 224th tjwrenn 578 83 44ms 10 Dec 2024 224th solisolu 578 83 17ms 16 days ago 236th Ailko 🇧🇪 571 84 27ms 5 May 2022 236th Mikey-Beep 🇬🇧 571 84 12ms 15 Jun 2022 236th P-Quentin 🇫🇷 571 84 29ms 10 Aug 2022 236th 051 🇸🇬 571 84 17ms 19 Aug 2022 236th Ripick 571 84 17ms 1 Feb 2023 First Prev 161–240 of 715 Next Last