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 400th djtuBIG-MaliceX 590 105 17ms 30 Jan 2018 400th Faweks1 590 105 16ms 1 Aug 2018 400th SupImDos 590 105 9ms 10 Nov 2020 400th dillon-duncando 590 105 18ms 1 Dec 2021 400th Ch3ngL0rd 590 105 12ms 16 Jan 2024 400th jamesthekee 590 105 11ms 25 Jan 2025 400th kistlerf 🇨🇭 590 105 16ms 16 May 2025 408th dave-ck 585 106 11ms 3 Mar 2018 408th RyanCarrusca 585 106 10ms 21 Feb 2019 408th oriphi 585 106 60ms 17 Jun 2019 408th evanrittner 585 106 16ms 12 Jan 2020 408th oAsAo 585 106 30ms 21 Jan 2020 408th hymanimy 585 106 17ms 11 Aug 2021 408th eshilo-draper 585 106 16ms 18 Nov 2022 408th ZoeMcG 585 106 10ms 8 Jan 2023 408th mathisfun271 585 106 92ms 13 Feb 2024 408th Ythaenagor 585 106 17ms 5 Aug 2024 418th stordev 579 107 16ms 26 Feb 2021 418th KrausRaus 🇺🇸 579 107 11ms 15 Apr 2021 418th petroselo 579 107 17ms 29 Dec 2021 418th jumelet 🇳🇱 579 107 17ms 13 Dec 2022 418th jameswmccarty 579 107 17ms 11 Jul 2024 418th PyryL 🇫🇮 579 107 19ms 15 Mar 2025 418th kbeat 🇰🇿 579 107 17ms 21 May 2025 425th 05st 574 108 17ms 14 Feb 2022 425th CameronGBell 574 108 10ms 7 Mar 2022 425th SniperSmiley 🇺🇸 574 108 17ms 29 Jun 2022 425th dtaylor0 574 108 17ms 25 Dec 2022 425th sultan 574 108 10ms 2 Apr 2024 425th jfallon1997 574 108 19ms 16 May 2024 425th 40fied4t 574 108 9ms 21 May 2025 432nd tkwa 569 109 17ms 5 Dec 2018 432nd Bodo171 569 109 15ms 24 Nov 2022 432nd DaCuteRaccoon 569 109 10ms 30 Nov 2022 432nd jagannathhari 569 109 17ms 21 Oct 2023 432nd ian-h-chamberlain 🇺🇸 569 109 17ms 16 Oct 2025 437th ValNyz 564 110 22ms 20 Apr 2018 437th hyvyys 564 110 10ms 16 Sep 2020 437th vodker1 564 110 17ms 8 Mar 2022 437th berdzi 564 110 11ms 15 Mar 2022 437th VictorFordham 564 110 16ms 12 Oct 2023 437th NanduBC 564 110 18ms 7 Sep 2024 443rd ArturLange 559 111 11ms 5 Sep 2018 443rd adesanjo 559 111 17ms 8 Jun 2019 443rd vonKrafft 559 111 10ms 26 Mar 2020 443rd TinyTheBrontosaurus 559 111 10ms 4 Dec 2023 443rd Artemis21 🇬🇧 559 111 18ms 2 Jan 2025 443rd 123mjb 559 111 11ms 26 Jun 2025 443rd tomh1012 559 111 11ms 8 days ago 450th boxjelly 554 112 11ms 10 Jan 2021 450th Pena86 554 112 11ms 18 Feb 2021 450th Kasci 554 112 89ms 28 Dec 2021 450th Omega65536 🇩🇪 554 112 10ms 29 Nov 2022 450th epic-programmer-guy 554 112 15ms 26 Dec 2023 455th nkansal96 549 113 17ms 21 May 2019 455th TobyBoyne 🇬🇧 549 113 16ms 1 Jun 2019 455th dymowski 549 113 18ms 24 Jul 2019 455th weberax 549 113 9ms 30 Nov 2019 455th AIn0n 549 113 18ms 15 Jul 2021 455th super-tux 549 113 68ms 9 Aug 2021 455th olavaga 549 113 11ms 13 Aug 2021 455th nkoppel 549 113 11ms 20 Oct 2022 455th Skwerl23 549 113 18ms 3 Feb 2023 455th Mikey-Beep 🇬🇧 549 113 12ms 24 Aug 2023 455th Gopalkataria 🇮🇳 549 113 600ms 6 Mar 2025 466th kenny14231 544 114 10ms 6 Aug 2022 466th aalec 544 114 111ms 24 Apr 2024 466th ApoChagi 544 114 18ms 25 Oct 2025 469th michelebastione 🇮🇹 539 115 13ms 19 Nov 2019 469th artieleach 539 115 20ms 12 Dec 2020 469th ktanaka 539 115 10ms 11 Jan 2024 469th clayboll99 539 115 10ms 11 Jul 2025 469th arjunarya1 539 115 11ms 28 Aug 2025 474th sambirnbaum1 534 116 11ms 7 Sep 2019 474th markus-rekdal 534 116 18ms 23 May 2022 474th rowboat1 534 116 11ms 21 Jun 2022 474th AGoyet 534 116 42ms 29 Jun 2022 478th madeforlosers 530 117 21ms 7 Nov 2025 479th caerbannogwhite 525 118 18ms 13 Apr 2018 479th 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