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 66th anter69 🇭🇺 912 68 10ms 14 Jan 2021 66th HETHAT 🇩🇿 912 68 10ms 31 Jan 2021 66th vezzick 912 68 9ms 7 Mar 2021 66th Indivicivet 912 68 9ms 26 Mar 2021 66th emplv 🇱🇻 912 68 9ms 31 Aug 2021 66th MichaelMBradley 🇨🇦 912 68 10ms 11 Jun 2022 66th janbehrens 🇩🇪 912 68 10ms 4 Jul 2022 66th betaveros 912 68 9ms 9 Aug 2022 66th 5quiwyrm 912 68 10ms 20 Aug 2022 66th PowerR0 912 68 9ms 25 Aug 2022 66th ItsMeNoobieboy 912 68 9ms 21 Dec 2022 66th scpchicken 🇵🇼 912 68 9ms 28 Jan 2023 66th CheeseCake628 🇳🇴 912 68 16ms 16 Feb 2023 66th Just4FunCoder 912 68 10ms 22 Mar 2023 66th fourth-bit 912 68 9ms 11 Jul 2023 66th RYNO8 912 68 9ms 22 Aug 2023 66th Yewzir 🇧🇪 912 68 9ms 6 Oct 2023 66th keelimeguy 🇺🇸 912 68 17ms 19 Oct 2023 66th 1231234md5 🇨🇳 912 68 10ms 13 Dec 2023 66th stackofbears 912 68 9ms 27 Dec 2023 66th CutSandstone 912 68 10ms 5 Jul 2024 66th Bulmenisaurus 912 68 9ms 17 Jul 2024 66th codingisgreatbutiamnot 912 68 16ms 12 Aug 2024 66th Troon 912 68 10ms 11 Feb 2025 66th plcc0 912 68 11ms 20 Feb 2025 66th albanian-laundromat 912 68 9ms 30 Jun 2025 66th SanderRuud 912 68 9ms 13 Jul 2025 66th qpwoeirut 912 68 10ms 1 Oct 2025 66th countlpaul-dotcom 912 68 9ms 19 Oct 2025 66th SectorCorruptor 912 68 10ms 11 days ago 111th benwilliamgraham 899 69 10ms 26 Jan 2019 111th OllieBoyne 🇬🇧 899 69 9ms 16 Jan 2021 111th eiburns 899 69 10ms 20 Jan 2022 111th vishwathg 899 69 9ms 16 Aug 2022 111th emirps 899 69 9ms 22 Feb 2023 111th Vaekor 899 69 9ms 9 Jul 2023 111th AVDestroyer 899 69 10ms 4 Sep 2023 111th m42km 899 69 9ms 7 Oct 2023 111th elgan65536 🇺🇸 899 69 9ms 4 Apr 2024 120th ArmaanAS 886 70 10ms 8 Mar 2021 120th Hebelub 886 70 9ms 5 Jan 2024 120th Dataen 886 70 10ms 5 Jan 2024 123rd Frowny 861 72 9ms 3 Jul 2020 123rd lifthrasiir 🇰🇷 861 72 10ms 13 Nov 2024 125th mogron 849 73 10ms 13 Dec 2019 125th FlorianCassayre 🇫🇷 849 73 9ms 30 Oct 2022 125th StefanHabel 🇨🇦 849 73 9ms 11 Dec 2022 125th DrakeSeteraO 849 73 10ms 25 Oct 2025 129th KatieLG 🇬🇧 838 74 16ms 5 Nov 2020 129th trist224 🇫🇷 838 74 9ms 15 Nov 2022 129th QuincyNash 🇺🇸 838 74 9ms 29 Nov 2022 132nd mortimervonchappuis 827 75 10ms 17 Mar 2020 132nd SirFireball3521 827 75 10ms 28 Jan 2023 132nd AlexanderFair 827 75 10ms 2 Jul 2023 132nd msbranicky 827 75 10ms 25 Jul 2023 136th cbondurant 816 76 9ms 10 May 2021 136th bob-th 816 76 41ms 24 Jan 2023 138th ahmetdemirag 🇨🇾 805 77 64ms 11 Feb 2025 139th Waffle3z 795 78 9ms 9 Jul 2021 139th snydej 795 78 32ms 22 Nov 2024 139th InigoK 🇺🇸 795 78 36ms 5 Sep 2025 139th CommandLeo 🇮🇹 795 78 46ms 23 Dec 2025 143rd Eilonlif 🇮🇱 785 79 75ms 20 Feb 2023 143rd fkantelberg 785 79 11ms 22 Jul 2023 143rd fgrosshans 🇫🇷 785 79 63ms 23 Jul 2024 143rd EnTerr 785 79 47ms 1 Sep 2024 143rd jipsong 🇩🇪 785 79 56ms 20 Jun 2025 143rd 77Tigers 785 79 41ms 13 Jan 2026 149th ageneric 775 80 41ms 7 Feb 2021 149th jacklynnepenick 775 80 38ms 19 Aug 2021 149th ehulinsky 🇺🇸 775 80 46ms 10 Nov 2021 149th NewDefectus 🇮🇱 775 80 17ms 15 Dec 2021 149th ZakkkkAttackkkk 🇵🇭 775 80 32ms 21 Dec 2021 149th guilhem-roy 🇫🇷 775 80 50ms 26 Feb 2022 149th suwat513 775 80 71ms 15 Sep 2022 149th btjones0 775 80 49ms 18 Nov 2022 149th nstearns96 🇬🇧 775 80 16ms 15 Dec 2022 149th kellantech 775 80 10ms 3 Jun 2023 149th jhu04 775 80 609ms 18 Jan 2024 149th Bmrl7 775 80 9ms 29 Feb 2024 First 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