Happy Numbers in Python in bytes. 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 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 Multitap Input 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 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 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 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 Multitap Input 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 Bytes Time Submitted 159th dlenski 765 81 17ms 13 Mar 2020 159th Attero 🇸🇪 765 81 49ms 4 Oct 2020 159th hiddicop 🇸🇪 765 81 74ms 26 Jan 2021 159th tnecio 765 81 9ms 29 Apr 2021 159th CedricGebistorf 765 81 56ms 25 Feb 2022 159th commandblockguy 🇺🇸 765 81 9ms 30 Sep 2022 159th LogicalJoe 765 81 48ms 7 Oct 2022 159th aksyristos 765 81 63ms 12 Feb 2023 159th quimey 765 81 54ms 22 Mar 2023 159th adamnielson42 🇺🇸 765 81 29ms 10 Apr 2023 159th Re-Adventures 🇮🇳 765 81 55ms 20 Jul 2023 159th Shanethegamer 🇺🇸 765 81 72ms 9 Oct 2023 159th Natanaelel 🇸🇪 765 81 55ms 29 Oct 2023 159th rollershutter 765 81 70ms 27 Jun 2024 159th klixel 🇨🇦 765 81 76ms 31 Dec 2024 159th luuumine 🇫🇷 765 81 73ms 4 Dec 2025 159th FortuiteMan 🇫🇷 765 81 72ms 5 Dec 2025 178th Dazza314 🇬🇧 756 82 57ms 3 Nov 2020 178th gilufin 756 82 71ms 24 May 2021 178th itsjustfreekie 756 82 71ms 18 Sep 2021 178th Fishron 756 82 71ms 13 Jun 2022 178th zacjl 756 82 50ms 20 Apr 2023 178th yzhs 🇩🇪 756 82 57ms 23 Jun 2023 178th OwPowell 756 82 71ms 19 Dec 2023 185th RDShah 747 83 81ms 3 Aug 2020 185th schachmattmatt 747 83 9ms 11 Aug 2021 185th Bonjour27891 🇻🇳 747 83 25ms 9 Feb 2022 185th tkr-sh 🇰🇵 747 83 72ms 24 Apr 2022 185th fredrik-bakke 🇳🇴 747 83 73ms 2 Oct 2022 185th jakobkordez 🇸🇮 747 83 17ms 30 Oct 2022 185th thehylian 747 83 16ms 2 Jan 2023 185th b10011 🇫🇮 747 83 9ms 7 Jan 2023 185th badboj40 747 83 72ms 12 Feb 2023 185th randolchance 747 83 16ms 16 Feb 2023 185th jmerle 🇳🇱 747 83 71ms 4 Jul 2023 185th ceeb9 747 83 63ms 13 Aug 2023 185th firegene 🇮🇪 747 83 16ms 22 Dec 2023 185th wh3n3v3r 🇨🇿 747 83 9ms 16 Nov 2024 185th moustave 747 83 43ms 26 Nov 2024 185th tjwrenn 747 83 47ms 10 Dec 2024 201st kevinmchung 738 84 9ms 24 Feb 2018 201st imrich-nagy 738 84 9ms 7 Sep 2020 201st Ailko 🇧🇪 738 84 25ms 5 May 2022 201st 051 🇸🇬 738 84 16ms 19 Aug 2022 201st Ripick 738 84 16ms 1 Feb 2023 201st KenanHanke 738 84 57ms 22 Feb 2023 201st celiendonze 🇨🇭 738 84 33ms 20 Jun 2023 201st minhtrancccp 738 84 25ms 1 Nov 2023 201st wen1now 738 84 16ms 6 Nov 2023 201st logvp 738 84 74ms 12 Jan 2024 201st stertooy 🇧🇪 738 84 15ms 14 Jun 2024 201st FranklinJiaChen 738 84 45ms 5 Aug 2024 201st Lv0Sys 🇵🇱 738 84 21ms 29 Nov 2025 214th Starwort 🇬🇧 729 85 9ms 29 May 2019 214th hoodadam 729 85 71ms 1 Jul 2019 214th joll05 🇸🇪 729 85 9ms 19 Aug 2020 214th neihousaigaai 729 85 17ms 8 May 2021 214th andre-lameirinhas 🇵🇹 729 85 51ms 4 Nov 2021 214th aposteriorist 🇨🇦 729 85 9ms 6 Feb 2022 214th LeeCamp 729 85 59ms 15 Jan 2023 214th nayakrujul 729 85 21ms 17 Feb 2023 214th cros107 🇦🇺 729 85 46ms 11 Oct 2023 214th Grrisly 729 85 40ms 29 Mar 2024 214th SB-945 729 85 17ms 31 Mar 2024 214th resoNathan 729 85 10ms 18 Jul 2024 214th Andrey2001 729 85 10ms 4 Dec 2025 227th ProtD 721 86 73ms 1 Mar 2018 227th Sakaala 721 86 16ms 23 Apr 2019 227th zbreit 🇺🇸 721 86 16ms 23 Jul 2019 227th sk- 721 86 26ms 17 Sep 2019 227th Haksell 🇦🇶 721 86 73ms 1 Dec 2019 227th LlamaLad7 🇬🇧 721 86 16ms 15 Mar 2020 227th dim-an 721 86 9ms 7 Dec 2020 227th tpaxman 🇨🇦 721 86 16ms 18 Dec 2020 227th argusdusty 🇺🇸 721 86 26ms 26 Dec 2020 227th badouralix 721 86 16ms 20 Feb 2021 227th asheeri 721 86 16ms 13 Aug 2021 227th hiichbindermax 721 86 15ms 1 Mar 2022 227th JuliaSzulc 721 86 16ms 16 Mar 2022 227th BerkeAltiparmak 721 86 16ms 23 May 2022 First Prev 161–240 of 703 Next 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