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 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 Apéry’s Constant Binary Lambda Calculus 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 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 ><> 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 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 ><> 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 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 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 Apéry’s Constant Binary Lambda Calculus 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 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 Chars Time Submitted 401st PFischbeck 462 104 18ms 2 Jan 2018 401st fynnkroeger 462 104 17ms 8 Feb 2021 401st feherd 462 104 15ms 30 Aug 2021 401st amollberg 🇸🇪 462 104 19ms 29 Jan 2022 401st MarioPlq 462 104 13ms 24 Jun 2022 401st no53488 462 104 13ms 5 Dec 2022 401st Wildst 462 104 10ms 7 Jul 2023 408th lrustand 457 105 11ms 15 Jan 2018 408th djtuBIG-MaliceX 457 105 17ms 30 Jan 2018 408th Faweks1 457 105 16ms 1 Aug 2018 408th SupImDos 457 105 9ms 10 Nov 2020 408th dillon-duncando 457 105 18ms 1 Dec 2021 408th Ch3ngL0rd 457 105 12ms 16 Jan 2024 408th jamesthekee 457 105 11ms 25 Jan 2025 408th kistlerf 🇨🇭 457 105 16ms 16 May 2025 416th dave-ck 453 106 11ms 3 Mar 2018 416th RyanCarrusca 453 106 10ms 21 Feb 2019 416th oriphi 453 106 60ms 17 Jun 2019 416th evanrittner 453 106 16ms 12 Jan 2020 416th oAsAo 453 106 30ms 21 Jan 2020 416th hymanimy 453 106 17ms 11 Aug 2021 416th eshilo-draper 453 106 16ms 18 Nov 2022 416th ZoeMcG 453 106 10ms 8 Jan 2023 416th mathisfun271 453 106 92ms 13 Feb 2024 416th Ythaenagor 453 106 17ms 5 Aug 2024 426th stordev 449 107 16ms 26 Feb 2021 426th KrausRaus 🇺🇸 449 107 11ms 15 Apr 2021 426th petroselo 449 107 17ms 29 Dec 2021 426th jumelet 🇳🇱 449 107 17ms 13 Dec 2022 426th jameswmccarty 449 107 17ms 11 Jul 2024 426th PyryL 🇫🇮 449 107 19ms 15 Mar 2025 426th kbeat 🇰🇿 449 107 17ms 21 May 2025 433rd 05st 444 108 17ms 14 Feb 2022 433rd CameronGBell 444 108 10ms 7 Mar 2022 433rd SniperSmiley 🇺🇸 444 108 17ms 29 Jun 2022 433rd dtaylor0 444 108 17ms 25 Dec 2022 433rd ridingqwerty 🇺🇸 444 108 18ms 30 Nov 2023 433rd sultan 444 108 10ms 2 Apr 2024 433rd jfallon1997 444 108 19ms 16 May 2024 433rd 40fied4t 444 108 9ms 21 May 2025 441st tkwa 440 109 17ms 5 Dec 2018 441st Bodo171 440 109 15ms 24 Nov 2022 441st DaCuteRaccoon 440 109 10ms 30 Nov 2022 441st jagannathhari 440 109 17ms 21 Oct 2023 441st ian-h-chamberlain 🇺🇸 440 109 17ms 16 Oct 2025 446th ValNyz 436 110 22ms 20 Apr 2018 446th hyvyys 436 110 10ms 16 Sep 2020 446th vodker1 436 110 17ms 8 Mar 2022 446th berdzi 436 110 11ms 15 Mar 2022 446th VictorFordham 436 110 16ms 12 Oct 2023 446th NanduBC 436 110 18ms 7 Sep 2024 452nd ArturLange 432 111 11ms 5 Sep 2018 452nd adesanjo 432 111 17ms 8 Jun 2019 452nd vonKrafft 432 111 10ms 26 Mar 2020 452nd TinyTheBrontosaurus 432 111 10ms 4 Dec 2023 452nd 123mjb 432 111 11ms 26 Jun 2025 452nd tomh1012 432 111 11ms 5 hours ago 458th boxjelly 429 112 11ms 10 Jan 2021 458th Pena86 429 112 11ms 18 Feb 2021 458th Kasci 429 112 89ms 28 Dec 2021 458th Omega65536 🇩🇪 429 112 10ms 29 Nov 2022 458th epic-programmer-guy 429 112 15ms 26 Dec 2023 463rd nkansal96 425 113 17ms 21 May 2019 463rd TobyBoyne 🇬🇧 425 113 16ms 1 Jun 2019 463rd dymowski 425 113 18ms 24 Jul 2019 463rd weberax 425 113 9ms 30 Nov 2019 463rd AIn0n 425 113 18ms 15 Jul 2021 463rd super-tux 425 113 68ms 9 Aug 2021 463rd olavaga 425 113 11ms 13 Aug 2021 463rd nkoppel 425 113 11ms 20 Oct 2022 463rd Skwerl23 425 113 18ms 3 Feb 2023 463rd Gopalkataria 🇮🇳 425 113 600ms 6 Mar 2025 473rd kenny14231 421 114 10ms 6 Aug 2022 473rd aalec 421 114 111ms 24 Apr 2024 473rd ApoChagi 421 114 18ms 25 Oct 2025 476th michelebastione 🇮🇹 417 115 13ms 19 Nov 2019 476th artieleach 417 115 20ms 12 Dec 2020 476th ktanaka 417 115 10ms 11 Jan 2024 476th clayboll99 417 115 10ms 11 Jul 2025 476th arjunarya1 417 115 11ms 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