Niven 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 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 Chars Time Submitted 533rd Altrul 721 61 10ms 4 Feb 2022 533rd Ailko 🇧🇪 721 61 11ms 6 May 2022 533rd tterem 721 61 10ms 7 Jun 2022 533rd andre-de-lorde 721 61 11ms 7 Sep 2022 533rd Lemonz-13223 721 61 11ms 9 Sep 2022 533rd za3k 721 61 10ms 9 Oct 2022 533rd farazht 721 61 13ms 17 Feb 2023 533rd GulgDev 721 61 11ms 22 Mar 2023 533rd Hortaros 721 61 11ms 15 Apr 2023 533rd tobeannouncd 721 61 10ms 18 Sep 2023 533rd HumanoidCPU 721 61 11ms 26 Apr 2024 533rd HenryFoss-10 721 61 10ms 6 May 2024 533rd luca1339 721 61 11ms 29 May 2024 533rd jameswmccarty 721 61 9ms 15 Jun 2024 533rd wilhelmines 721 61 9ms 17 Jun 2024 533rd OrangeBacon 721 61 9ms 12 Aug 2024 533rd FernSchoenberg 721 61 10ms 14 Oct 2024 533rd ihatethefrench 721 61 10ms 4 Jan 2025 533rd EnisEfe0 721 61 10ms 18 May 2025 533rd robin-scragg 721 61 10ms 22 May 2025 581st estomagordo 🇳🇱 710 62 10ms 3 Aug 2019 581st cellobix 710 62 13ms 13 Aug 2019 581st adoxography 710 62 12ms 10 Oct 2019 581st RobertPoienar 710 62 11ms 18 Oct 2019 581st Lemonfrostt 710 62 11ms 14 Dec 2019 581st Randomness74 710 62 13ms 14 Mar 2020 581st clementblaudeau 710 62 14ms 28 May 2021 581st hymanimy 710 62 11ms 24 Aug 2021 581st JuliaSzulc 710 62 11ms 15 Mar 2022 581st PATTRIM 710 62 9ms 5 Jan 2023 581st NDR0216 🇹🇼 710 62 14ms 13 Feb 2023 581st Edjyzod 710 62 10ms 7 Mar 2023 581st qwjhvbxi 710 62 10ms 9 Feb 2024 581st Andrey2001 710 62 10ms 8 Dec 2025 581st Aquateraneal 710 62 9ms 5 days ago 596th ArturLange 698 63 16ms 5 Sep 2018 596th suchwise 698 63 10ms 30 Oct 2019 596th MarkRdgOx 698 63 11ms 15 Jan 2020 596th 130N35 698 63 10ms 27 Jan 2020 596th valgardg 🇮🇸 698 63 10ms 13 Aug 2021 596th mokymok 🇺🇸 698 63 11ms 23 Nov 2021 596th ellieoverwood 698 63 10ms 29 Dec 2021 596th bwenstar 698 63 11ms 11 Aug 2022 596th mbittner20 698 63 12ms 27 May 2023 596th cingulataluke 698 63 11ms 29 Aug 2023 596th suhren 698 63 11ms 1 Oct 2023 596th VictorStenvers 🇳🇱 698 63 10ms 2 May 2024 596th Schreipfelerer 698 63 10ms 11 Sep 2024 596th TheZwierzLF 🇵🇱 698 63 11ms 19 May 2025 610th Sticky-Bits 688 64 10ms 26 Apr 2019 610th derekthatcher 688 64 19ms 22 Sep 2020 610th joe0400 688 64 9ms 7 Sep 2021 610th tetraxile 688 64 11ms 3 Oct 2021 610th BrenSchaap 688 64 13ms 20 Oct 2021 610th dillon-duncando 688 64 10ms 24 Dec 2021 610th raketexyz 688 64 10ms 29 Dec 2021 610th CuboidRaptor 🇨🇦 688 64 11ms 19 Jan 2022 610th james-downey 688 64 10ms 14 Jul 2022 610th a-penton 688 64 11ms 22 Sep 2022 610th eshilo-draper 688 64 11ms 8 Oct 2022 610th AodhanDalton 688 64 10ms 24 Oct 2022 610th Ythaenagor 688 64 10ms 5 Aug 2024 610th Deedogg 688 64 13ms 9 Sep 2024 610th Apzyte-Gamer 688 64 20ms 2 Nov 2024 610th theonetruenerd 688 64 10ms 9 Jun 2025 610th jm600 688 64 10ms 25 Aug 2025 627th ari-gutierrez 677 65 10ms 22 Oct 2018 627th SurplusSineWaves 677 65 10ms 21 Jan 2019 627th evanrittner 677 65 14ms 11 Mar 2019 627th alangodfrey 677 65 11ms 12 Jun 2019 627th TrAyZeN 677 65 13ms 12 Mar 2020 627th febiw 677 65 10ms 22 Mar 2020 627th alexandre-lavoie 677 65 11ms 20 Oct 2020 627th Retkoj 677 65 10ms 30 Nov 2020 627th wrhm 677 65 10ms 12 Dec 2020 627th Manby 677 65 12ms 7 Jul 2021 627th shen-hong-xin 677 65 10ms 7 Jul 2021 627th danielweper 677 65 10ms 21 Oct 2021 627th wirewolf010 677 65 11ms 4 Jan 2022 627th kyleclaassen 677 65 10ms 11 Mar 2022 First Prev 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