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 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 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 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 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 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 233rd wen1now 571 84 17ms 6 Nov 2023 233rd logvp 571 84 75ms 12 Jan 2024 233rd stertooy 🇧🇪 571 84 17ms 14 Jun 2024 233rd FranklinJiaChen 571 84 48ms 5 Aug 2024 233rd Lv0Sys 🇵🇱 571 84 17ms 29 Nov 2025 246th Starwort 🇬🇧 565 85 9ms 29 May 2019 246th hoodadam 565 85 74ms 1 Jul 2019 246th joll05 🇸🇪 565 85 10ms 19 Aug 2020 246th neihousaigaai 565 85 17ms 8 May 2021 246th andre-lameirinhas 🇵🇹 565 85 51ms 4 Nov 2021 246th LeeCamp 565 85 58ms 15 Jan 2023 246th nayakrujul 565 85 17ms 17 Feb 2023 246th cros107 🇦🇺 565 85 49ms 11 Oct 2023 246th Grrisly 565 85 39ms 29 Mar 2024 246th HumanoidCPU 565 85 9ms 3 May 2024 246th resoNathan 565 85 10ms 18 Jul 2024 246th Andrey2001 565 85 10ms 4 Dec 2025 258th ProtD 558 86 74ms 1 Mar 2018 258th Sakaala 558 86 17ms 23 Apr 2019 258th zbreit 🇺🇸 558 86 15ms 23 Jul 2019 258th sk- 558 86 26ms 17 Sep 2019 258th Haksell 🇦🇶 558 86 74ms 1 Dec 2019 258th LlamaLad7 🇬🇧 558 86 17ms 15 Mar 2020 258th tpaxman 🇨🇦 558 86 17ms 18 Dec 2020 258th argusdusty 🇺🇸 558 86 27ms 26 Dec 2020 258th badouralix 558 86 18ms 20 Feb 2021 258th asheeri 558 86 17ms 13 Aug 2021 258th hiichbindermax 558 86 16ms 1 Mar 2022 258th JuliaSzulc 558 86 17ms 16 Mar 2022 258th BerkeAltiparmak 558 86 17ms 23 May 2022 258th LHuitre 558 86 18ms 5 Jun 2022 258th upavloff 558 86 54ms 16 Jul 2023 258th bac0id 558 86 10ms 27 Sep 2023 258th croc54 558 86 60ms 8 Jan 2025 258th LostSyntax21 🇬🇧 558 86 53ms 8 Mar 2025 258th andrewjc2000 558 86 17ms 5 Aug 2025 277th myfatemi04 552 87 16ms 9 Jan 2018 277th ANDREYDEN 552 87 75ms 8 Jan 2019 277th itiievskyi 🇺🇦 552 87 16ms 7 Aug 2020 277th jameslindesay 552 87 17ms 24 Feb 2021 277th TaserTheFox 🇺🇸 552 87 17ms 28 Feb 2023 277th tobyLovick 552 87 16ms 12 Dec 2023 277th yuchuehw 552 87 17ms 28 Jan 2024 277th Masttest 552 87 18ms 13 Feb 2024 277th Terobero 552 87 724ms 6 Sep 2024 277th Code-Coder-coder 552 87 10ms 24 Nov 2025 277th madex 🇩🇪 552 87 17ms 6 days ago 288th DaleNaci 545 88 10ms 27 Aug 2018 288th kevokevol 545 88 17ms 29 Apr 2019 288th hggcgio 545 88 75ms 11 Apr 2020 288th alexandre-lavoie 545 88 11ms 30 Jul 2020 288th vprab 545 88 9ms 8 Dec 2020 288th Anonymousellama21 545 88 530ms 27 Jun 2022 288th yourlefthandman 545 88 45ms 17 Aug 2023 288th Heathcorp 🇦🇺 545 88 51ms 18 Aug 2023 288th martijnckx 545 88 18ms 17 Nov 2023 288th luyckxrobbe 545 88 17ms 17 Nov 2023 288th RJFuller 545 88 10ms 8 Mar 2024 288th imelxr 🇮🇱 545 88 51ms 17 Aug 2024 288th Mabeloid 🇳🇴 545 88 11ms 3 Sep 2024 301st PossessedLego 539 89 51ms 28 Jun 2019 301st AforAmpere 539 89 17ms 16 Jun 2020 301st inverseLorentz 🇦🇺 539 89 68ms 3 May 2024 301st wuzekai518 539 89 16ms 24 Jun 2024 301st netfri25 🇮🇱 539 89 17ms 26 days ago 306th ssilwa 533 90 61ms 19 Jan 2018 306th AgathokakologicalBit 533 90 18ms 19 Jul 2019 306th Jviscus1 533 90 54ms 24 Apr 2020 306th hjcafaroUC 533 90 16ms 29 Jul 2020 306th redbeancola 533 90 9ms 11 Oct 2021 306th j-Ewan 533 90 17ms 16 Feb 2022 306th pascscha 533 90 46ms 18 Sep 2022 306th MaxElf999 533 90 18ms 29 Sep 2022 306th chartung17 533 90 17ms 14 Jan 2024 306th NerdyMcNerd42 533 90 10ms 22 Mar 2024 306th Europe2048 533 90 16ms 24 Nov 2024 306th phucthaiv02 533 90 10ms 7 Jan 2026 318th ly0va 527 91 17ms 12 Jan 2019 318th adoxography 527 91 17ms 3 Oct 2019 318th amishtal 527 91 55ms 27 Nov 2019 First Prev 241–320 of 711 Next Last