Niven Numbers in all languages 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 441st hashkitten 939 46 10ms 24 Sep 2020 441st Dazza314 🇬🇧 939 46 9ms 7 Nov 2020 441st janbehrens 🇩🇪 939 46 9ms 8 Dec 2020 441st btjones0 939 46 9ms 27 Dec 2020 441st OllieBoyne 🇬🇧 939 46 9ms 6 Feb 2021 441st vezzick 939 46 9ms 5 Mar 2021 441st RDShah 939 46 9ms 15 Apr 2021 441st urojony 🇵🇱 939 46 9ms 27 May 2021 441st MarcMush 🇫🇷 939 46 10ms 29 Jun 2021 441st Fishron 939 46 9ms 19 Oct 2021 441st Indivicivet 939 46 11ms 24 Oct 2021 441st StefanHabel 🇨🇦 939 46 9ms 14 Dec 2021 441st ZakkkkAttackkkk 🇵🇭 939 46 9ms 20 Dec 2021 441st Irratix 🇳🇱 939 46 9ms 17 Apr 2022 441st k3w1k0d3r 939 46 9ms 25 Jun 2022 441st 051 🇸🇬 939 46 9ms 8 Aug 2022 441st TobyBoyne 🇬🇧 939 46 9ms 12 Aug 2022 441st MichalMarsalek 🇨🇿 939 46 9ms 29 Aug 2022 441st JaimeCoderIO 939 46 12ms 29 Sep 2022 441st IshanPanpaliya 939 46 9ms 19 Oct 2022 441st FlorianCassayre 🇫🇷 939 46 10ms 6 Nov 2022 441st thehylian 939 46 9ms 30 Dec 2022 441st Techdude01 939 46 9ms 18 Jan 2023 441st SirFireball3521 939 46 9ms 9 Feb 2023 441st scpchicken 🇵🇼 939 46 9ms 22 Feb 2023 441st kellantech 939 46 10ms 2 Jun 2023 441st lillian314159 939 46 13ms 13 Jul 2023 441st Alex-x90 🇺🇸 939 46 9ms 17 Jul 2023 441st AlexanderFair 939 46 9ms 24 Jul 2023 441st gXLg 🇩🇪 939 46 10ms 23 Sep 2023 441st ridingqwerty 🇺🇸 939 46 9ms 22 Dec 2023 441st bzijlema 🇳🇱 939 46 9ms 12 Jan 2024 441st jhu04 939 46 9ms 18 Jan 2024 441st bob-th 939 46 9ms 2 Feb 2024 441st Bmrl7 939 46 9ms 21 Feb 2024 441st elgan65536 939 46 9ms 5 Mar 2024 441st Lewenhaupt 939 46 9ms 22 Mar 2024 441st jmfk 939 46 9ms 22 Mar 2024 441st jtaxen 939 46 9ms 5 Apr 2024 441st dokutan 939 46 9ms 30 Apr 2024 441st 5cw 🇺🇸 939 46 9ms 5 May 2024 441st bizy-coder 939 46 9ms 15 Aug 2024 441st jatloe 939 46 9ms 26 Aug 2024 441st croc54 939 46 9ms 18 Nov 2024 441st lifthrasiir 🇰🇷 939 46 9ms 3 Dec 2024 441st ryyyn 🇺🇸 939 46 10ms 14 Jan 2025 441st andrewjc2000 939 46 9ms 3 Mar 2025 441st plcc0 939 46 9ms 5 Mar 2025 441st keelimeguy 🇺🇸 939 46 9ms 6 May 2025 441st Artemis21 🇬🇧 939 46 9ms 23 May 2025 441st dirckvdende 939 46 9ms 20 Jul 2025 441st qpwoeirut 939 46 9ms 13 Aug 2025 441st InigoK 🇺🇸 939 46 9ms 8 Sep 2025 441st blaztoma 🇱🇹 939 46 9ms 15 Sep 2025 441st ahmetdemirag 🇨🇾 939 46 13ms 1 Oct 2025 441st luuumine 🇫🇷 939 46 9ms 17 Oct 2025 441st snoozingnewt 🇺🇸 939 46 9ms 20 Oct 2025 441st butnaruteodor 939 46 9ms 27 days ago 441st CommandLeo 🇮🇹 939 46 9ms 11 days ago 441st 09cf 939 46 9ms 9 days ago 511th rak1507 🇬🇧 938 21 2ms 12 Jan 2022 511th Garklein 🇨🇦 938 21 2ms 15 Jan 2022 511th Bubbler-4 938 21 2ms 16 Jan 2022 511th HPWiz 🇳🇿 938 21 2ms 18 Jan 2022 511th GrayJoKing 🇦🇺 938 21 2ms 2 Feb 2022 511th lynn 938 21 2ms 2 Jun 2022 511th shadowninja55 🇺🇸 938 21 2ms 28 Dec 2022 511th DialFrost 🇸🇬 938 21 2ms 2 Feb 2024 511th SirBogman 🇺🇸 938 21 2ms 12 Feb 2024 511th bstrat 938 21 2ms 5 Aug 2024 511th copy 938 21 2ms 16 Aug 2024 511th zacjl 938 21 2ms 17 Aug 2024 511th Steffan153 🇫🇮 938 21 2ms 18 Aug 2024 511th sean-niemann 🇺🇸 938 21 2ms 11 Apr 2025 511th pardouin 🇫🇷 938 21 2ms 15 Apr 2025 First Prev 451–525 of 4,077 Next Last