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 ><> 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 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 399th za3k 471 102 10ms 9 Oct 2022 399th CatsAreFluffy 471 102 10ms 12 Dec 2022 403rd jhunterkohler 466 103 17ms 20 May 2021 403rd rollsroyce0 466 103 16ms 8 Jul 2025 405th PFischbeck 462 104 17ms 2 Jan 2018 405th fynnkroeger 462 104 17ms 8 Feb 2021 405th feherd 462 104 15ms 30 Aug 2021 405th amollberg 🇸🇪 462 104 18ms 29 Jan 2022 405th MarioPlq 462 104 12ms 24 Jun 2022 405th no53488 462 104 10ms 5 Dec 2022 405th Wildst 462 104 10ms 7 Jul 2023 412th lrustand 457 105 11ms 15 Jan 2018 412th djtuBIG-MaliceX 457 105 17ms 30 Jan 2018 412th Faweks1 457 105 16ms 1 Aug 2018 412th SupImDos 457 105 9ms 10 Nov 2020 412th dillon-duncando 457 105 18ms 1 Dec 2021 412th Ch3ngL0rd 457 105 12ms 16 Jan 2024 412th jamesthekee 457 105 11ms 25 Jan 2025 412th kistlerf 🇨🇭 457 105 16ms 16 May 2025 420th dave-ck 453 106 10ms 3 Mar 2018 420th RyanCarrusca 453 106 10ms 21 Feb 2019 420th oriphi 453 106 56ms 17 Jun 2019 420th evanrittner 453 106 16ms 12 Jan 2020 420th oAsAo 453 106 30ms 21 Jan 2020 420th hymanimy 453 106 17ms 11 Aug 2021 420th eshilo-draper 453 106 16ms 18 Nov 2022 420th ZoeMcG 453 106 10ms 8 Jan 2023 420th mathisfun271 453 106 92ms 13 Feb 2024 420th Ythaenagor 453 106 17ms 5 Aug 2024 430th stordev 449 107 16ms 26 Feb 2021 430th KrausRaus 🇺🇸 449 107 10ms 15 Apr 2021 430th petroselo 449 107 17ms 29 Dec 2021 430th jumelet 🇳🇱 449 107 17ms 13 Dec 2022 430th jameswmccarty 449 107 17ms 11 Jul 2024 430th PyryL 🇫🇮 449 107 19ms 15 Mar 2025 430th kbeat 🇰🇿 449 107 17ms 21 May 2025 437th 05st 444 108 16ms 14 Feb 2022 437th CameronGBell 444 108 10ms 7 Mar 2022 437th SniperSmiley 🇺🇸 444 108 16ms 29 Jun 2022 437th dtaylor0 444 108 17ms 25 Dec 2022 437th ridingqwerty 🇺🇸 444 108 18ms 30 Nov 2023 437th sultan 444 108 10ms 2 Apr 2024 437th jfallon1997 444 108 18ms 16 May 2024 437th 40fied4t 444 108 9ms 21 May 2025 445th tkwa 440 109 17ms 5 Dec 2018 445th Bodo171 440 109 15ms 24 Nov 2022 445th DaCuteRaccoon 440 109 10ms 30 Nov 2022 445th jagannathhari 440 109 17ms 21 Oct 2023 445th ian-h-chamberlain 🇺🇸 440 109 17ms 16 Oct 2025 450th ValNyz 436 110 22ms 20 Apr 2018 450th hyvyys 436 110 10ms 16 Sep 2020 450th vodker1 436 110 17ms 8 Mar 2022 450th berdzi 436 110 11ms 15 Mar 2022 450th VictorFordham 436 110 16ms 12 Oct 2023 450th NanduBC 436 110 18ms 7 Sep 2024 456th ArturLange 432 111 11ms 5 Sep 2018 456th adesanjo 432 111 17ms 8 Jun 2019 456th vonKrafft 432 111 10ms 26 Mar 2020 456th TinyTheBrontosaurus 432 111 10ms 4 Dec 2023 456th 123mjb 432 111 11ms 26 Jun 2025 456th tomh1012 432 111 11ms 19 days ago 462nd boxjelly 429 112 11ms 10 Jan 2021 462nd Pena86 429 112 11ms 18 Feb 2021 462nd Kasci 429 112 80ms 28 Dec 2021 462nd Omega65536 🇩🇪 429 112 10ms 29 Nov 2022 462nd epic-programmer-guy 429 112 15ms 26 Dec 2023 467th nkansal96 425 113 17ms 21 May 2019 467th TobyBoyne 🇬🇧 425 113 16ms 1 Jun 2019 467th dymowski 425 113 18ms 24 Jul 2019 467th weberax 425 113 9ms 30 Nov 2019 467th AIn0n 425 113 18ms 15 Jul 2021 467th super-tux 425 113 66ms 9 Aug 2021 467th olavaga 425 113 11ms 13 Aug 2021 467th nkoppel 425 113 11ms 20 Oct 2022 467th Skwerl23 425 113 18ms 3 Feb 2023 467th bropal404 🇮🇳 425 113 600ms 6 Mar 2025 477th kenny14231 421 114 10ms 6 Aug 2022 477th aalec 421 114 111ms 24 Apr 2024 477th ApoChagi 421 114 18ms 25 Oct 2025 480th michelebastione 🇮🇹 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