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 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 Bytes Time Submitted 63rd Indivicivet 912 68 9ms 26 Mar 2021 63rd emplv 🇱🇻 912 68 9ms 31 Aug 2021 63rd MichaelMBradley 🇨🇦 912 68 10ms 11 Jun 2022 63rd janbehrens 🇩🇪 912 68 10ms 4 Jul 2022 63rd betaveros 912 68 10ms 9 Aug 2022 63rd 5quiwyrm 912 68 10ms 20 Aug 2022 63rd PowerR0 912 68 10ms 25 Aug 2022 63rd ItsMeNoobieboy 912 68 9ms 21 Dec 2022 63rd scpchicken 🇵🇼 912 68 9ms 28 Jan 2023 63rd CheeseCake628 🇳🇴 912 68 16ms 16 Feb 2023 63rd Just4FunCoder 912 68 10ms 22 Mar 2023 63rd fourth-bit 912 68 9ms 11 Jul 2023 63rd RYNO8 912 68 9ms 22 Aug 2023 63rd Yewzir 🇧🇪 912 68 10ms 6 Oct 2023 63rd keelimeguy 🇺🇸 912 68 17ms 19 Oct 2023 63rd 1231234md5 🇨🇳 912 68 10ms 13 Dec 2023 63rd stackofbears 912 68 9ms 27 Dec 2023 63rd CutSandstone 912 68 10ms 5 Jul 2024 63rd Bulmenisaurus 912 68 9ms 17 Jul 2024 63rd codingisgreatbutiamnot 912 68 18ms 12 Aug 2024 63rd Troon 912 68 10ms 11 Feb 2025 63rd plcc0 912 68 11ms 20 Feb 2025 63rd albanian-laundromat 912 68 10ms 30 Jun 2025 63rd SanderRuud 912 68 10ms 13 Jul 2025 63rd qpwoeirut 912 68 11ms 1 Oct 2025 63rd countlpaul-dotcom 912 68 9ms 19 Oct 2025 63rd SectorCorruptor 912 68 10ms 26 hours ago 108th benwilliamgraham 899 69 10ms 26 Jan 2019 108th OllieBoyne 🇬🇧 899 69 10ms 16 Jan 2021 108th eiburns 899 69 10ms 20 Jan 2022 108th vishwathg 899 69 9ms 16 Aug 2022 108th emirps 899 69 9ms 22 Feb 2023 108th Vaekor 899 69 9ms 9 Jul 2023 108th AVDestroyer 899 69 10ms 4 Sep 2023 108th m42km 899 69 9ms 7 Oct 2023 108th elgan65536 🇺🇸 899 69 9ms 4 Apr 2024 117th ArmaanAS 886 70 10ms 8 Mar 2021 117th Hebelub 886 70 9ms 5 Jan 2024 117th Dataen 886 70 10ms 5 Jan 2024 117th dokutan 886 70 10ms 23 Jan 2024 121st Frowny 861 72 9ms 3 Jul 2020 121st lifthrasiir 🇰🇷 861 72 10ms 13 Nov 2024 123rd mogron 849 73 11ms 13 Dec 2019 123rd FlorianCassayre 🇫🇷 849 73 9ms 30 Oct 2022 123rd StefanHabel 🇨🇦 849 73 9ms 11 Dec 2022 123rd DrakeSeteraO 849 73 10ms 25 Oct 2025 127th KatieLG 🇬🇧 838 74 16ms 5 Nov 2020 127th trist224 🇫🇷 838 74 9ms 15 Nov 2022 127th QuincyNash 🇺🇸 838 74 10ms 29 Nov 2022 130th mortimervonchappuis 827 75 11ms 17 Mar 2020 130th SirFireball3521 827 75 10ms 28 Jan 2023 130th AlexanderFair 827 75 10ms 2 Jul 2023 130th msbranicky 827 75 10ms 25 Jul 2023 134th cbondurant 816 76 9ms 10 May 2021 134th bob-th 816 76 49ms 24 Jan 2023 136th ahmetdemirag 🇨🇾 805 77 70ms 11 Feb 2025 137th Waffle3z 795 78 9ms 9 Jul 2021 137th snydej 795 78 33ms 22 Nov 2024 137th InigoK 🇺🇸 795 78 36ms 5 Sep 2025 137th CommandLeo 🇮🇹 795 78 47ms 23 Dec 2025 141st Eilonlif 🇮🇱 785 79 75ms 20 Feb 2023 141st fkantelberg 785 79 11ms 22 Jul 2023 141st fgrosshans 🇫🇷 785 79 68ms 23 Jul 2024 141st EnTerr 785 79 52ms 1 Sep 2024 141st jipsong 🇩🇪 785 79 56ms 20 Jun 2025 141st 77Tigers 785 79 44ms 27 days ago 147th ageneric 775 80 41ms 7 Feb 2021 147th jacklynnepenick 775 80 38ms 19 Aug 2021 147th ehulinsky 🇺🇸 775 80 47ms 10 Nov 2021 147th NewDefectus 🇮🇱 775 80 18ms 15 Dec 2021 147th ZakkkkAttackkkk 🇵🇭 775 80 32ms 21 Dec 2021 147th guilhem-roy 🇫🇷 775 80 50ms 26 Feb 2022 147th suwat513 775 80 74ms 15 Sep 2022 147th btjones0 775 80 49ms 18 Nov 2022 147th nstearns96 🇬🇧 775 80 16ms 15 Dec 2022 147th kellantech 775 80 10ms 3 Jun 2023 147th jhu04 775 80 622ms 18 Jan 2024 147th Bmrl7 775 80 10ms 29 Feb 2024 147th jtaxen 775 80 52ms 4 Apr 2024 160th leon-w 765 81 10ms 5 Jan 2019 First 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