Happy Numbers in Python in chars. 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 293rd chartung17 533 90 19ms 14 Jan 2024 293rd NerdyMcNerd42 533 90 11ms 22 Mar 2024 293rd Europe2048 533 90 17ms 24 Nov 2024 304th ly0va 527 91 16ms 12 Jan 2019 304th adoxography 527 91 19ms 3 Oct 2019 304th amishtal 527 91 58ms 27 Nov 2019 304th mhenion8293 🇺🇸 527 91 42ms 19 Jan 2022 304th nullie 527 91 15ms 8 Jun 2022 304th jbjd 527 91 16ms 23 Nov 2024 310th 71c 522 92 42ms 7 Mar 2018 310th ay2718 522 92 17ms 13 Aug 2019 310th TrAyZeN 522 92 21ms 12 Mar 2020 310th geofft 522 92 22ms 12 Dec 2020 310th abailey2020 🇺🇸 522 92 31ms 12 Dec 2020 310th CodyMiner 522 92 17ms 7 Nov 2021 310th Romain-1 🇫🇷 522 92 17ms 29 Apr 2022 310th ssbhatt4321 522 92 18ms 11 Jun 2023 310th Glinte 522 92 25ms 11 Dec 2023 310th tobeannouncd 522 92 23ms 25 Apr 2025 310th YAJUE114514 522 92 27ms 28 Jul 2025 321st relet 516 93 18ms 8 Aug 2018 321st davitf 516 93 25ms 31 Oct 2018 321st retrohun 516 93 12ms 16 Mar 2019 321st Sticky-Bits 516 93 45ms 19 Apr 2019 321st Psirving 516 93 11ms 23 Jul 2020 321st Lewenhaupt 516 93 18ms 15 Mar 2024 321st martion2007 516 93 39ms 14 Aug 2024 328th zdzc 511 94 23ms 28 Feb 2018 328th GodEmperorCaterpie 511 94 17ms 4 Sep 2019 328th DarkTemplar5 511 94 17ms 18 Feb 2020 328th kypi 511 94 17ms 22 Feb 2020 328th lukasthaler 511 94 17ms 11 Sep 2020 328th AkashTandon167 511 94 26ms 22 Nov 2020 328th ludwig-n 511 94 16ms 6 Apr 2021 328th Andrey135296 511 94 17ms 3 Jan 2022 328th zwxzwxzwx21 511 94 13ms 30 Jan 2024 328th mathb0y512 511 94 36ms 11 Sep 2025 328th jacekwladzinski 511 94 17ms 23 days ago 339th dyc3 505 95 17ms 12 May 2020 339th antimon2 🇯🇵 505 95 19ms 27 Jul 2020 339th Secozzi 505 95 18ms 4 Nov 2020 339th cesarm4 505 95 12ms 30 Aug 2021 339th 4ndyJ 🇬🇧 505 95 22ms 12 Feb 2023 339th wobblybits 505 95 11ms 18 Aug 2025 345th Malin001 500 96 17ms 4 Jan 2020 345th The3gs 500 96 10ms 28 Aug 2020 345th Zhenyu-Liang 500 96 23ms 31 Jan 2021 345th asadullayev 500 96 13ms 3 Mar 2021 345th mauro-1 🇮🇹 500 96 26ms 18 Aug 2021 345th BrenSchaap 500 96 17ms 21 Oct 2021 345th andrewteske 500 96 18ms 28 Nov 2021 345th galloj 🇨🇿 500 96 18ms 17 Aug 2022 345th vhoulbreque 🇫🇷 500 96 100ms 19 Aug 2022 345th NoahBolohan 🇨🇦 500 96 17ms 28 Feb 2023 345th mikehanus 500 96 18ms 5 Dec 2023 345th Jaydosu 500 96 10ms 26 Jun 2024 345th Pyroan 500 96 18ms 14 Mar 2025 358th ToonAlfrink 495 97 25ms 13 Nov 2020 358th lovernj 495 97 11ms 7 Feb 2022 360th ebicochineal 490 98 18ms 21 Jun 2019 360th ieeemma 490 98 27ms 27 Sep 2019 360th TheAristos 490 98 27ms 30 Oct 2019 360th lemogne 490 98 18ms 8 Aug 2021 360th tpasfieldERAU 490 98 13ms 5 Nov 2022 360th VictorStenvers 🇳🇱 490 98 10ms 23 Apr 2025 360th codewrite 🇬🇧 490 98 29ms 10 Jul 2025 367th Edgex42 485 99 14ms 3 Jun 2019 367th pengu1n-master 485 99 10ms 7 Oct 2021 367th myleopard 485 99 17ms 15 Oct 2021 367th Fanrco 485 99 22ms 4 Sep 2023 371st joshrosenkranz 480 100 17ms 1 Mar 2018 371st qoqosz 480 100 17ms 16 Jun 2019 371st estomagordo 🇳🇱 480 100 11ms 5 Aug 2019 371st achow0 480 100 12ms 3 Aug 2020 371st nerikosans 480 100 11ms 13 Sep 2020 First Prev 301–375 of 694 Next Last
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