Happy Numbers in Python in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 55th janbehrens 🇩🇪 912 68 10ms 4 Jul 2022 55th betaveros 912 68 10ms 9 Aug 2022 55th 5quiwyrm 912 68 9ms 20 Aug 2022 55th PowerR0 912 68 10ms 25 Aug 2022 55th ItsMeNoobieboy 912 68 13ms 21 Dec 2022 55th scpchicken 🇵🇼 912 68 10ms 28 Jan 2023 55th CheeseCake628 🇳🇴 912 68 18ms 16 Feb 2023 55th Just4FunCoder 912 68 10ms 22 Mar 2023 55th fourth-bit 912 68 11ms 11 Jul 2023 55th RYNO8 912 68 10ms 22 Aug 2023 55th Yewzir 🇧🇪 912 68 12ms 6 Oct 2023 55th keelimeguy 🇺🇸 912 68 17ms 19 Oct 2023 55th 1231234md5 🇨🇳 912 68 13ms 13 Dec 2023 55th stackofbears 912 68 10ms 27 Dec 2023 55th CutSandstone 912 68 13ms 5 Jul 2024 55th Bulmenisaurus 912 68 9ms 17 Jul 2024 55th CaedenHarper 🇨🇦 912 68 11ms 6 Aug 2024 55th codingisgreatbutiamnot 912 68 16ms 12 Aug 2024 55th Troon 912 68 10ms 11 Feb 2025 55th plcc0 912 68 10ms 20 Feb 2025 55th albanian-laundromat 912 68 10ms 30 Jun 2025 55th KasperKivimaeki 🇫🇮 912 68 11ms 2 Jul 2025 55th SanderRuud 912 68 9ms 13 Jul 2025 55th qpwoeirut 912 68 10ms 1 Oct 2025 55th countlpaul-dotcom 912 68 9ms 15 days ago 101st benwilliamgraham 899 69 10ms 26 Jan 2019 101st OllieBoyne 🇬🇧 899 69 10ms 16 Jan 2021 101st eiburns 899 69 10ms 20 Jan 2022 101st vishwathg 899 69 14ms 16 Aug 2022 101st emirps 899 69 11ms 22 Feb 2023 101st Vaekor 899 69 10ms 9 Jul 2023 101st AVDestroyer 899 69 10ms 4 Sep 2023 101st m42km 899 69 8ms 7 Oct 2023 101st elgan65536 899 69 12ms 4 Apr 2024 110th ArmaanAS 886 70 9ms 8 Mar 2021 110th Hebelub 886 70 10ms 5 Jan 2024 110th Dataen 886 70 10ms 5 Jan 2024 110th dokutan 886 70 10ms 23 Jan 2024 114th Frowny 861 72 13ms 3 Jul 2020 114th lifthrasiir 🇰🇷 861 72 10ms 13 Nov 2024 116th mogron 849 73 12ms 13 Dec 2019 116th FlorianCassayre 🇫🇷 849 73 12ms 30 Oct 2022 116th StefanHabel 🇨🇦 849 73 10ms 11 Dec 2022 116th DrakeSeteraO 849 73 9ms 9 days ago 120th KatieLG 🇬🇧 838 74 15ms 5 Nov 2020 120th trist224 🇫🇷 838 74 30ms 15 Nov 2022 120th QuincyNash 🇺🇸 838 74 10ms 29 Nov 2022 123rd mortimervonchappuis 827 75 10ms 17 Mar 2020 123rd SirFireball3521 827 75 13ms 28 Jan 2023 123rd AlexanderFair 827 75 10ms 2 Jul 2023 123rd msbranicky 827 75 10ms 25 Jul 2023 127th cbondurant 816 76 10ms 10 May 2021 127th bob-th 816 76 45ms 24 Jan 2023 129th ahmetdemirag 🇨🇾 805 77 53ms 11 Feb 2025 130th Waffle3z 795 78 10ms 9 Jul 2021 130th snydej 795 78 31ms 22 Nov 2024 130th InigoK 🇺🇸 795 78 34ms 5 Sep 2025 133rd Eilonlif 🇮🇱 785 79 74ms 20 Feb 2023 133rd fkantelberg 785 79 14ms 22 Jul 2023 133rd fgrosshans 🇫🇷 785 79 65ms 23 Jul 2024 133rd EnTerr 785 79 55ms 1 Sep 2024 133rd jipsong 🇩🇪 785 79 51ms 20 Jun 2025 138th ageneric 775 80 42ms 7 Feb 2021 138th jacklynnepenick 775 80 51ms 19 Aug 2021 138th ehulinsky 🇺🇸 775 80 49ms 10 Nov 2021 138th NewDefectus 🇮🇱 775 80 19ms 15 Dec 2021 138th ZakkkkAttackkkk 🇵🇭 775 80 40ms 21 Dec 2021 138th guilhem-roy 🇫🇷 775 80 50ms 26 Feb 2022 138th suwat513 775 80 73ms 15 Sep 2022 138th btjones0 775 80 52ms 18 Nov 2022 138th nstearns96 🇬🇧 775 80 15ms 15 Dec 2022 138th kellantech 775 80 10ms 3 Jun 2023 138th snoozingnewt 🇺🇸 775 80 84ms 3 Oct 2023 138th jhu04 775 80 641ms 18 Jan 2024 138th Bmrl7 775 80 10ms 29 Feb 2024 First Prev 76–150 of 694 Next Last