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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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim 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 393rd AbhilashaTandon 480 100 17ms 22 Sep 2023 393rd JakeDaCake36 480 100 22ms 20 Feb 2024 403rd ianpoe 475 101 18ms 30 Apr 2020 403rd brian6liu 475 101 18ms 9 May 2020 403rd martinnorling 🇸🇪 475 101 25ms 2 Feb 2022 403rd Stockoh 🇫🇷 475 101 21ms 26 Apr 2024 407th michael-celani 471 102 13ms 30 Dec 2017 407th knutae 🇳🇴 471 102 19ms 6 Dec 2021 407th za3k 471 102 10ms 9 Oct 2022 407th CatsAreFluffy 471 102 10ms 12 Dec 2022 411th jhunterkohler 466 103 21ms 20 May 2021 411th rollsroyce0 466 103 19ms 8 Jul 2025 413th PFischbeck 462 104 19ms 2 Jan 2018 413th fynnkroeger 462 104 18ms 8 Feb 2021 413th feherd 462 104 18ms 30 Aug 2021 413th amollberg 🇸🇪 462 104 18ms 29 Jan 2022 413th MarioPlq 462 104 11ms 24 Jun 2022 413th no53488 462 104 12ms 5 Dec 2022 413th Wildst 462 104 11ms 7 Jul 2023 420th lrustand 457 105 13ms 15 Jan 2018 420th djtuBIG-MaliceX 457 105 21ms 30 Jan 2018 420th Faweks1 457 105 17ms 1 Aug 2018 420th SupImDos 457 105 11ms 10 Nov 2020 420th dillon-duncando 457 105 17ms 1 Dec 2021 420th Ch3ngL0rd 457 105 13ms 16 Jan 2024 420th jamesthekee 457 105 12ms 25 Jan 2025 420th kistlerf 🇨🇭 457 105 18ms 16 May 2025 428th dave-ck 453 106 11ms 3 Mar 2018 428th RyanCarrusca 453 106 11ms 21 Feb 2019 428th oriphi 453 106 58ms 17 Jun 2019 428th evanrittner 453 106 18ms 12 Jan 2020 428th oAsAo 453 106 32ms 21 Jan 2020 428th hymanimy 453 106 19ms 11 Aug 2021 428th eshilo-draper 453 106 19ms 18 Nov 2022 428th ZoeMcG 453 106 11ms 8 Jan 2023 428th mathisfun271 453 106 86ms 13 Feb 2024 428th Ythaenagor 453 106 19ms 5 Aug 2024 438th stordev 449 107 18ms 26 Feb 2021 438th KrausRaus 🇺🇸 449 107 10ms 15 Apr 2021 438th petroselo 449 107 18ms 29 Dec 2021 438th jumelet 🇳🇱 449 107 19ms 13 Dec 2022 438th jameswmccarty 449 107 20ms 11 Jul 2024 438th PyryL 🇫🇮 449 107 20ms 15 Mar 2025 438th kbeat 🇰🇿 449 107 18ms 21 May 2025 438th NacMacFigl 449 107 17ms 3 mins ago 446th 05st 444 108 19ms 14 Feb 2022 446th CameronGBell 444 108 10ms 7 Mar 2022 446th SniperSmiley 🇺🇸 444 108 18ms 29 Jun 2022 446th dtaylor0 444 108 18ms 25 Dec 2022 446th ridingqwerty 🇺🇸 444 108 17ms 30 Nov 2023 446th sultan 444 108 11ms 2 Apr 2024 446th jfallon1997 444 108 20ms 16 May 2024 446th 40fied4t 444 108 11ms 21 May 2025 454th tkwa 440 109 21ms 5 Dec 2018 454th Bodo171 440 109 17ms 24 Nov 2022 454th DaCuteRaccoon 440 109 12ms 30 Nov 2022 454th jagannathhari 440 109 18ms 21 Oct 2023 454th ian-h-chamberlain 🇺🇸 440 109 22ms 16 Oct 2025 459th ValNyz 436 110 32ms 20 Apr 2018 459th hyvyys 436 110 15ms 16 Sep 2020 459th vodker1 436 110 19ms 8 Mar 2022 459th berdzi 436 110 12ms 15 Mar 2022 459th VictorFordham 436 110 18ms 12 Oct 2023 459th NanduBC 436 110 18ms 7 Sep 2024 465th ArturLange 432 111 11ms 5 Sep 2018 465th adesanjo 432 111 19ms 8 Jun 2019 465th vonKrafft 432 111 10ms 26 Mar 2020 465th TinyTheBrontosaurus 432 111 11ms 4 Dec 2023 465th 123mjb 432 111 13ms 26 Jun 2025 465th tomh1012 432 111 11ms 5 Feb 2026 465th zgialor-lab 432 111 12ms 10 Mar 2026 472nd boxjelly 429 112 12ms 10 Jan 2021 472nd Pena86 429 112 11ms 18 Feb 2021 472nd Kasci 429 112 75ms 28 Dec 2021 472nd Omega65536 🇩🇪 429 112 12ms 29 Nov 2022 472nd epic-programmer-guy 429 112 19ms 26 Dec 2023 477th nkansal96 425 113 18ms 21 May 2019 477th TobyBoyne 🇬🇧 425 113 17ms 1 Jun 2019 477th dymowski 425 113 18ms 24 Jul 2019 477th weberax 425 113 10ms 30 Nov 2019 477th AIn0n 425 113 18ms 15 Jul 2021 477th super-tux 425 113 69ms 9 Aug 2021 477th olavaga 425 113 11ms 13 Aug 2021 477th nkoppel 425 113 12ms 20 Oct 2022 477th Skwerl23 425 113 19ms 3 Feb 2023 477th bropal404 🇮🇳 425 113 686ms 6 Mar 2025 487th kenny14231 421 114 12ms 6 Aug 2022 487th aalec 421 114 96ms 24 Apr 2024 487th ApoChagi 421 114 19ms 25 Oct 2025 490th michelebastione 🇮🇹 417 115 11ms 19 Nov 2019 490th artieleach 417 115 18ms 12 Dec 2020 490th ktanaka 417 115 10ms 11 Jan 2024 490th clayboll99 417 115 12ms 11 Jul 2025 490th arjunarya1 417 115 11ms 28 Aug 2025 490th madeforlosers 417 115 19ms 21 days ago 496th sambirnbaum1 414 116 12ms 7 Sep 2019 496th markus-rekdal 414 116 18ms 23 May 2022 496th rowboat1 414 116 11ms 21 Jun 2022 496th AGoyet 414 116 45ms 29 Jun 2022 500th caerbannogwhite 407 118 18ms 13 Apr 2018 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