Niven Numbers in Ruby 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 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 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 Multitap Input 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 Arturo Befunge BQN CJam CoffeeScript Egel 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 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 Arturo Befunge BQN CJam CoffeeScript Egel 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 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 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 Multitap Input 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 69th scpchicken 🇵🇼 744 39 32ms 19 Mar 2022 69th aksyristos 744 39 32ms 24 Jan 2023 69th Haksell 🇦🇶 744 39 32ms 22 Feb 2023 69th AlephSquirrel 744 39 32ms 7 Mar 2023 69th aaronze 🇦🇺 744 39 35ms 17 Sep 2023 81st segiddins 725 40 32ms 24 Aug 2018 81st TFeld00 🇩🇰 725 40 32ms 7 Jun 2019 81st flavono123 725 40 32ms 16 Jul 2019 81st snltd 725 40 32ms 14 Aug 2019 81st n1LS 725 40 32ms 23 Oct 2019 81st jstanley0 725 40 33ms 13 Dec 2020 81st Marin-Kitagawa 725 40 34ms 18 Jul 2021 81st Luj8n 725 40 35ms 12 Nov 2021 81st HallMatthew314 725 40 34ms 5 Dec 2021 81st fynnkroeger 725 40 36ms 30 Apr 2022 81st Ralac07 🇦🇺 725 40 31ms 4 Jul 2024 81st albanian-laundromat 725 40 34ms 1 Oct 2025 81st lacrosse 725 40 34ms 16 days ago 94th hugolgst 707 41 33ms 18 May 2019 94th FnControlOption 707 41 32ms 21 Aug 2022 96th 0xddom 690 42 33ms 18 Dec 2019 96th jamespeilunli 690 42 33ms 1 May 2022 96th purp 690 42 32ms 9 Aug 2022 99th robymus 674 43 33ms 17 Sep 2018 100th esmg1 659 44 32ms 22 Aug 2018 100th annaproxy 659 44 33ms 27 Aug 2022 102nd tadd 644 45 31ms 16 Apr 2020 102nd pandapawskat 644 45 32ms 7 Oct 2021 102nd a-apple1234 644 45 33ms 14 Feb 2023 105th idoschor 630 46 34ms 28 Dec 2020 106th reireias 617 47 33ms 31 Jul 2019 107th jacobsmith 580 50 33ms 19 May 2018 108th galloj 🇨🇿 527 55 36ms 18 Aug 2022 108th sreedevk 🇺🇸 527 55 32ms 4 Dec 2022 110th Mortis66666 509 57 33ms 3 Jun 2022 111th TheZwierzLF 🇵🇱 500 58 32ms 7 hours ago 112th catflip 483 60 33ms 18 Oct 2023 113th kenakingkong 460 63 33ms 4 May 2021 114th MiranDaniel 🇨🇿 433 67 33ms 1 Sep 2023 115th boxjelly 426 68 35ms 12 Feb 2021 116th atayarani 414 70 32ms 18 Jan 2019 116th HumanoidCPU 414 70 31ms 10 Jan 2025 118th yokasuretsu 392 74 33ms 3 May 2018 119th graemewalters 372 78 35ms 25 Mar 2019 119th msbranicky 372 78 34ms 8 Sep 2023 121st michaelrychly 358 81 32ms 5 Jun 2019 122nd matricronia 341 85 35ms 6 May 2021 123rd JRaspass 🇬🇧 302 96 32ms 19 May 2018 123rd retrohun 302 96 33ms 21 Dec 2018 123rd ninjawarrior1337 302 96 33ms 1 Dec 2021 123rd KatieLG-Transpiler 🇬🇧 302 96 35ms 24 Jun 2022 123rd Mabeloid 🇳🇴 302 96 33ms 22 Sep 2024 123rd CaedenHarper 🇨🇦 302 96 32ms 16 Aug 2025 129th zstearman3 279 104 33ms 13 Jul 2018 130th mokymok 🇺🇸 227 128 32ms 9 Nov 2021 First Prev 76–130 of 130
