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 Binary Lambda Calculus 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 Binary Lambda Calculus 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 374th martinnorling 🇸🇪 614 101 24ms 2 Feb 2022 374th Stockoh 🇫🇷 614 101 22ms 26 Apr 2024 378th michael-celani 608 102 11ms 30 Dec 2017 378th knutae 🇳🇴 608 102 18ms 6 Dec 2021 378th za3k 608 102 12ms 9 Oct 2022 378th CatsAreFluffy 608 102 10ms 12 Dec 2022 382nd jhunterkohler 602 103 18ms 20 May 2021 382nd rollsroyce0 602 103 17ms 8 Jul 2025 384th PFischbeck 596 104 18ms 2 Jan 2018 384th fynnkroeger 596 104 18ms 8 Feb 2021 384th feherd 596 104 22ms 30 Aug 2021 384th amollberg 🇸🇪 596 104 17ms 29 Jan 2022 384th no53488 596 104 11ms 5 Dec 2022 384th Wildst 596 104 11ms 7 Jul 2023 384th FCORMERAIS 596 104 11ms 7 Mar 2024 391st lrustand 590 105 12ms 15 Jan 2018 391st djtuBIG-MaliceX 590 105 18ms 30 Jan 2018 391st Faweks1 590 105 20ms 1 Aug 2018 391st SupImDos 590 105 10ms 10 Nov 2020 391st dillon-duncando 590 105 24ms 1 Dec 2021 391st Ch3ngL0rd 590 105 12ms 16 Jan 2024 391st jamesthekee 590 105 14ms 25 Jan 2025 391st kistlerf 🇨🇭 590 105 22ms 16 May 2025 399th dave-ck 585 106 11ms 3 Mar 2018 399th RyanCarrusca 585 106 10ms 21 Feb 2019 399th oriphi 585 106 60ms 17 Jun 2019 399th evanrittner 585 106 18ms 12 Jan 2020 399th oAsAo 585 106 43ms 21 Jan 2020 399th hymanimy 585 106 18ms 11 Aug 2021 399th eshilo-draper 585 106 18ms 18 Nov 2022 399th ZoeMcG 585 106 15ms 8 Jan 2023 399th mathisfun271 585 106 95ms 13 Feb 2024 399th Ythaenagor 585 106 27ms 5 Aug 2024 409th stordev 579 107 20ms 26 Feb 2021 409th KrausRaus 🇺🇸 579 107 10ms 15 Apr 2021 409th petroselo 579 107 17ms 29 Dec 2021 409th jumelet 🇳🇱 579 107 18ms 13 Dec 2022 409th jameswmccarty 579 107 18ms 11 Jul 2024 409th PyryL 🇫🇮 579 107 18ms 15 Mar 2025 409th kbeat 🇰🇿 579 107 25ms 21 May 2025 416th 05st 574 108 18ms 14 Feb 2022 416th CameronGBell 574 108 10ms 7 Mar 2022 416th SniperSmiley 🇺🇸 574 108 17ms 29 Jun 2022 416th dtaylor0 574 108 22ms 25 Dec 2022 416th sultan 574 108 11ms 2 Apr 2024 416th jfallon1997 574 108 25ms 16 May 2024 416th 40fied4t 574 108 11ms 21 May 2025 423rd tkwa 569 109 17ms 5 Dec 2018 423rd Bodo171 569 109 15ms 24 Nov 2022 423rd DaCuteRaccoon 569 109 11ms 30 Nov 2022 423rd jagannathhari 569 109 18ms 21 Oct 2023 423rd ian-h-chamberlain 🇺🇸 569 109 19ms 21 days ago 428th ValNyz 564 110 26ms 20 Apr 2018 428th hyvyys 564 110 11ms 16 Sep 2020 428th vodker1 564 110 18ms 8 Mar 2022 428th berdzi 564 110 10ms 15 Mar 2022 428th VictorFordham 564 110 18ms 12 Oct 2023 428th NanduBC 564 110 21ms 7 Sep 2024 434th ArturLange 559 111 12ms 5 Sep 2018 434th adesanjo 559 111 20ms 8 Jun 2019 434th vonKrafft 559 111 12ms 26 Mar 2020 434th TinyTheBrontosaurus 559 111 10ms 4 Dec 2023 434th Artemis21 🇬🇧 559 111 17ms 2 Jan 2025 434th 123mjb 559 111 12ms 26 Jun 2025 440th boxjelly 554 112 12ms 10 Jan 2021 440th Pena86 554 112 11ms 18 Feb 2021 440th Kasci 554 112 79ms 28 Dec 2021 440th Omega65536 🇩🇪 554 112 9ms 29 Nov 2022 440th epic-programmer-guy 554 112 18ms 26 Dec 2023 445th nkansal96 549 113 18ms 21 May 2019 445th TobyBoyne 🇬🇧 549 113 16ms 1 Jun 2019 445th dymowski 549 113 17ms 24 Jul 2019 445th weberax 549 113 16ms 30 Nov 2019 445th AIn0n 549 113 23ms 15 Jul 2021 445th super-tux 549 113 66ms 9 Aug 2021 First Prev 376–450 of 695 Next Last