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 ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 320th msrawson 667 93 9ms 31 Aug 2018 320th davitf 667 93 16ms 31 Oct 2018 320th retrohun 667 93 9ms 16 Mar 2019 320th Sticky-Bits 667 93 37ms 19 Apr 2019 320th Psirving 667 93 10ms 23 Jul 2020 320th Lewenhaupt 667 93 17ms 15 Mar 2024 320th cykim8811 667 93 21ms 11 Jul 2024 320th martion2007 667 93 26ms 14 Aug 2024 329th zdzc 660 94 17ms 28 Feb 2018 329th DaleNaci 660 94 10ms 27 Aug 2018 329th GodEmperorCaterpie 660 94 16ms 4 Sep 2019 329th DarkTemplar5 660 94 16ms 18 Feb 2020 329th kypi 660 94 17ms 22 Feb 2020 329th lukasthaler 660 94 17ms 11 Sep 2020 329th AkashTandon167 660 94 28ms 22 Nov 2020 329th ludwig-n 660 94 17ms 6 Apr 2021 329th Andrey135296 660 94 18ms 3 Jan 2022 329th mathb0y512 660 94 38ms 11 Sep 2025 329th jacekwladzinski 660 94 18ms 2 Oct 2025 340th dyc3 653 95 16ms 12 May 2020 340th antimon2 🇯🇵 653 95 17ms 27 Jul 2020 340th Secozzi 653 95 17ms 4 Nov 2020 340th cesarm4 653 95 9ms 30 Aug 2021 340th 4ndyJ 🇬🇧 653 95 17ms 12 Feb 2023 345th Malin001 646 96 17ms 4 Jan 2020 345th The3gs 646 96 9ms 28 Aug 2020 345th Zhenyu-Liang 646 96 17ms 31 Jan 2021 345th asadullayev 646 96 11ms 3 Mar 2021 345th mauro-1 🇮🇹 646 96 26ms 18 Aug 2021 345th BrenSchaap 646 96 17ms 21 Oct 2021 345th andrewteske 646 96 19ms 28 Nov 2021 345th Mortis66666 646 96 18ms 10 Jun 2022 345th galloj 🇨🇿 646 96 15ms 17 Aug 2022 345th vhoulbreque 🇫🇷 646 96 86ms 19 Aug 2022 345th NoahBolohan 🇨🇦 646 96 17ms 28 Feb 2023 345th mikehanus 646 96 18ms 5 Dec 2023 345th Jaydosu 646 96 10ms 26 Jun 2024 345th Pyroan 646 96 18ms 14 Mar 2025 359th ToonAlfrink 639 97 16ms 13 Nov 2020 359th csharpython 639 97 17ms 17 Jul 2025 359th robin-scragg 639 97 10ms 25 Jul 2025 362nd ebicochineal 633 98 16ms 21 Jun 2019 362nd ieeemma 633 98 19ms 27 Sep 2019 362nd TheAristos 633 98 26ms 30 Oct 2019 362nd lemogne 633 98 17ms 8 Aug 2021 362nd tpasfieldERAU 633 98 9ms 5 Nov 2022 362nd VictorStenvers 🇳🇱 633 98 10ms 23 Apr 2025 362nd RJFuller 633 98 9ms 1 May 2025 362nd codewrite 🇬🇧 633 98 18ms 10 Jul 2025 370th Edgex42 626 99 9ms 3 Jun 2019 370th pengu1n-master 626 99 10ms 7 Oct 2021 370th myleopard 626 99 16ms 15 Oct 2021 370th Fanrco 626 99 21ms 4 Sep 2023 370th wobblybits 626 99 17ms 18 Aug 2025 370th solisolu 626 99 10ms 6 Nov 2025 376th joshrosenkranz 620 100 17ms 1 Mar 2018 376th qoqosz 620 100 17ms 16 Jun 2019 376th estomagordo 🇳🇱 620 100 10ms 5 Aug 2019 376th achow0 620 100 10ms 3 Aug 2020 376th nerikosans 620 100 10ms 13 Sep 2020 376th Miles-1000 🇬🇧 620 100 22ms 26 Feb 2021 376th TimLeffke 620 100 16ms 13 Sep 2022 376th AbhilashaTandon 620 100 17ms 22 Sep 2023 376th JakeDaCake36 620 100 17ms 20 Feb 2024 385th ianpoe 614 101 17ms 30 Apr 2020 385th brian6liu 614 101 17ms 9 May 2020 385th martinnorling 🇸🇪 614 101 23ms 2 Feb 2022 385th Stockoh 🇫🇷 614 101 20ms 26 Apr 2024 389th michael-celani 608 102 12ms 30 Dec 2017 389th knutae 🇳🇴 608 102 18ms 6 Dec 2021 389th za3k 608 102 10ms 9 Oct 2022 389th CatsAreFluffy 608 102 10ms 12 Dec 2022 393rd jhunterkohler 602 103 17ms 20 May 2021 393rd rollsroyce0 602 103 16ms 8 Jul 2025 395th PFischbeck 596 104 17ms 2 Jan 2018 395th fynnkroeger 596 104 17ms 8 Feb 2021 395th feherd 596 104 15ms 30 Aug 2021 395th amollberg 🇸🇪 596 104 18ms 29 Jan 2022 395th no53488 596 104 10ms 5 Dec 2022 395th Wildst 596 104 10ms 7 Jul 2023 First 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