Happy Numbers in Python in chars. 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 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 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab 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 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 525th Kreavita 390 123 12ms 14 Jan 2019 525th timkaiser 390 123 12ms 19 Apr 2019 525th bobbysq 390 123 10ms 29 Jun 2023 529th KarachunIvan 387 124 11ms 19 Feb 2018 529th sleepyStick 387 124 16ms 11 Mar 2022 531st lmeuser 384 125 16ms 2 Dec 2017 531st 0xCake 384 125 16ms 20 Apr 2020 531st haydenridd 384 125 13ms 20 Oct 2020 531st markbyrne 384 125 11ms 20 Oct 2020 531st samchristiandd 384 125 11ms 19 Feb 2021 531st clementblaudeau 384 125 10ms 26 May 2021 531st brochmann 🇸🇪 384 125 9ms 6 Feb 2022 531st AliceFord 384 125 9ms 2 Jun 2022 531st elephantpanda 384 125 10ms 31 Aug 2022 531st Azearia 384 125 9ms 1 Dec 2022 531st Schreipfelerer 384 125 10ms 9 Apr 2023 531st eddvrs 384 125 11ms 21 Dec 2023 531st qwjhvbxi 384 125 11ms 8 Feb 2024 531st Pale-Vessel 384 125 9ms 1 Apr 2024 531st hippopotam00sehead 🇨🇦 384 125 9ms 13 Sep 2024 531st TralfamadorianComedian 384 125 9ms 31 Dec 2024 531st TheZwierzLF 🇵🇱 384 125 29ms 25 May 2025 548th rschwa6308 🇺🇸 381 126 18ms 6 Aug 2020 548th jackedwards04 381 126 10ms 22 Nov 2020 548th b4dpxl 381 126 16ms 10 Nov 2021 548th jettdc 381 126 10ms 31 Dec 2022 548th jstechman 381 126 14ms 9 Mar 2024 553rd usnheckler 378 127 68ms 7 Jun 2019 553rd derekthatcher 378 127 17ms 25 Sep 2020 553rd bastienvoirin 🇫🇷 378 127 16ms 28 Nov 2020 553rd Evan-Robotics 378 127 17ms 26 Jan 2022 553rd gareth-kmet 378 127 18ms 2 Mar 2023 558th petar-donchev 375 128 12ms 8 Sep 2019 558th shibacho 🇯🇵 375 128 18ms 25 Nov 2022 558th EthanJantz 375 128 17ms 27 Aug 2025 561st ChristianFieldhouse 372 129 10ms 22 Mar 2021 562nd richard-oelze 🇩🇪 369 130 18ms 28 Feb 2021 562nd yokasuretsu 369 130 15ms 28 Nov 2021 562nd andrewgopher 369 130 10ms 27 Jun 2022 562nd LukasFolwarczny 🇨🇿 369 130 19ms 16 Sep 2022 562nd ThatAlo 369 130 11ms 27 Jan 2023 562nd Coding4Hours 369 130 18ms 4 Oct 2024 562nd IsaacAlexBarden 369 130 11ms 13 Feb 2025 569th ozewski 366 131 72ms 2 May 2019 569th guliyevemil1 🇦🇿 366 131 10ms 18 Apr 2020 569th Gordo5556 366 131 11ms 29 Apr 2022 572nd theonlytruemathnerd 364 132 17ms 11 Jan 2020 572nd JuanGomez12 364 132 11ms 2 Feb 2023 572nd aszku 364 132 10ms 20 Apr 2023 572nd strogor 364 132 10ms 9 Jun 2025 576th Manby 361 133 12ms 30 Jun 2021 576th byteDJINN 361 133 17ms 16 Jan 2024 578th skps2010 358 134 9ms 4 Jan 2019 578th patbassing 358 134 11ms 26 May 2019 578th Nibamot 358 134 9ms 19 Feb 2020 578th aagray33 358 134 10ms 28 Feb 2020 578th Techdude01 358 134 18ms 17 Dec 2022 578th julian-hoelz 358 134 10ms 15 Sep 2024 584th bkshrader 356 135 17ms 27 Dec 2018 584th reubengann 356 135 11ms 14 Feb 2020 584th FusionAtom360 356 135 10ms 28 Sep 2024 584th DGipe 356 135 10ms 22 Oct 2025 588th smartiel 353 136 11ms 15 Sep 2022 588th ComputerKWasTaken 🇺🇸 353 136 18ms 8 Jun 2024 590th DrPrettyman 350 137 10ms 1 Jun 2023 591st adamhass 348 138 10ms 19 Jul 2018 591st mrmena 🇦🇺 348 138 18ms 16 Apr 2024 593rd jmhowl 345 139 22ms 19 Jan 2020 593rd mokymok 🇺🇸 345 139 18ms 29 Dec 2021 593rd lightediand 🇬🇧 345 139 14ms 18 Jan 2023 593rd CyberTapir 345 139 10ms 1 Sep 2024 593rd Wonamm 345 139 14ms 14 Feb 2025 593rd TJK-S 345 139 10ms 22 Oct 2025 599th mcdowell95 343 140 11ms 26 Mar 2020 599th osmith93 343 140 10ms 31 Jul 2021 First Prev 526–600 of 698 Next Last