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 228th BerkeAltiparmak 721 86 17ms 23 May 2022 228th LHuitre 721 86 18ms 5 Jun 2022 228th upavloff 721 86 55ms 16 Jul 2023 228th croc54 721 86 62ms 8 Jan 2025 228th LostSyntax21 🇬🇧 721 86 53ms 8 Mar 2025 228th andrewjc2000 721 86 18ms 5 Aug 2025 247th myfatemi04 713 87 16ms 9 Jan 2018 247th ANDREYDEN 713 87 77ms 8 Jan 2019 247th itiievskyi 🇺🇦 713 87 16ms 7 Aug 2020 247th Espiobest 713 87 16ms 31 Jan 2021 247th jameslindesay 713 87 17ms 24 Feb 2021 247th TaserTheFox 🇺🇸 713 87 19ms 28 Feb 2023 247th tobyLovick 713 87 17ms 12 Dec 2023 247th yuchuehw 713 87 17ms 28 Jan 2024 247th Masttest 713 87 18ms 13 Feb 2024 247th Terobero 713 87 724ms 6 Sep 2024 247th Flekay 🇩🇪 713 87 17ms 11 Jul 2025 247th Code-Coder-coder 713 87 10ms 24 Nov 2025 259th kevokevol 705 88 17ms 29 Apr 2019 259th mizuzimu 705 88 11ms 4 Feb 2020 259th hggcgio 705 88 75ms 11 Apr 2020 259th alexandre-lavoie 705 88 11ms 30 Jul 2020 259th vprab 705 88 9ms 8 Dec 2020 259th Anonymousellama21 705 88 530ms 27 Jun 2022 259th hellwue 705 88 10ms 8 Feb 2023 259th davecame 705 88 9ms 14 Aug 2023 259th yourlefthandman 705 88 49ms 17 Aug 2023 259th Heathcorp 🇦🇺 705 88 51ms 18 Aug 2023 259th martijnckx 705 88 20ms 17 Nov 2023 259th luyckxrobbe 705 88 17ms 17 Nov 2023 259th imelxr 🇮🇱 705 88 51ms 17 Aug 2024 259th Mabeloid 🇳🇴 705 88 12ms 3 Sep 2024 259th jatloe 705 88 76ms 27 Sep 2024 274th PossessedLego 697 89 52ms 28 Jun 2019 274th AforAmpere 697 89 17ms 16 Jun 2020 274th inverseLorentz 🇦🇺 697 89 68ms 3 May 2024 274th drochom 697 89 9ms 16 Jun 2024 274th wuzekai518 697 89 16ms 24 Jun 2024 279th ssilwa 689 90 63ms 19 Jan 2018 279th AgathokakologicalBit 689 90 18ms 19 Jul 2019 279th Jviscus1 689 90 54ms 24 Apr 2020 279th hjcafaroUC 689 90 16ms 29 Jul 2020 279th redbeancola 689 90 9ms 11 Oct 2021 279th j-Ewan 689 90 17ms 16 Feb 2022 279th pascscha 689 90 49ms 18 Sep 2022 279th MaxElf999 689 90 19ms 29 Sep 2022 279th 2011-Chan-Ethan 689 90 82ms 12 Jul 2023 279th chartung17 689 90 17ms 14 Jan 2024 279th NerdyMcNerd42 689 90 10ms 22 Mar 2024 279th Europe2048 689 90 17ms 24 Nov 2024 279th katss2 689 90 13ms 14 Aug 2025 279th phucthaiv02 689 90 10ms 7 Jan 2026 293rd ly0va 681 91 17ms 12 Jan 2019 293rd adoxography 681 91 17ms 3 Oct 2019 293rd amishtal 681 91 55ms 27 Nov 2019 293rd mhenion8293 🇺🇸 681 91 45ms 19 Jan 2022 293rd nullie 681 91 18ms 8 Jun 2022 293rd jbjd 681 91 18ms 23 Nov 2024 299th 71c 674 92 32ms 7 Mar 2018 299th stevelamm 674 92 10ms 5 Oct 2018 299th tjtnorton 674 92 9ms 29 Nov 2018 299th giacomogallina 674 92 9ms 14 Jun 2019 299th ay2718 674 92 18ms 13 Aug 2019 299th cellobix 674 92 10ms 14 Aug 2019 299th TrAyZeN 674 92 15ms 12 Mar 2020 299th geofft 674 92 20ms 12 Dec 2020 299th abailey2020 🇺🇸 674 92 27ms 12 Dec 2020 299th CodyMiner 674 92 17ms 7 Nov 2021 299th Romain-1 🇫🇷 674 92 17ms 29 Apr 2022 299th ssbhatt4321 674 92 17ms 11 Jun 2023 299th Glinte 674 92 24ms 11 Dec 2023 299th JunkIce 674 92 10ms 23 Feb 2025 299th tobeannouncd 674 92 20ms 25 Apr 2025 299th ffelixm 674 92 11ms 12 Jun 2025 299th RaBa21 🇭🇺 674 92 10ms 10 Jul 2025 299th YAJUE114514 674 92 26ms 28 Jul 2025 317th relet 667 93 17ms 8 Aug 2018 317th msrawson 667 93 10ms 31 Aug 2018 317th davitf 667 93 16ms 31 Oct 2018 317th retrohun 667 93 9ms 16 Mar 2019 First Prev 241–320 of 703 Next Last