Niven Numbers in Ruby in bytes. 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 Bytes Time Submitted 69th scpchicken 🇵🇼 872 39 36ms 19 Mar 2022 69th aksyristos 872 39 39ms 24 Jan 2023 69th Haksell 🇦🇶 872 39 35ms 22 Feb 2023 69th AlephSquirrel 872 39 35ms 7 Mar 2023 69th aaronze 🇦🇺 872 39 39ms 17 Sep 2023 69th TheZwierzLF 🇵🇱 872 39 34ms 7 hours ago 82nd segiddins 850 40 45ms 24 Aug 2018 82nd TFeld00 🇩🇰 850 40 41ms 7 Jun 2019 82nd flavono123 850 40 31ms 16 Jul 2019 82nd snltd 850 40 46ms 14 Aug 2019 82nd n1LS 850 40 37ms 23 Oct 2019 82nd jstanley0 850 40 36ms 13 Dec 2020 82nd Marin-Kitagawa 850 40 47ms 18 Jul 2021 82nd Luj8n 850 40 36ms 12 Nov 2021 82nd HallMatthew314 850 40 35ms 5 Dec 2021 82nd fynnkroeger 850 40 36ms 30 Apr 2022 82nd Ralac07 🇦🇺 850 40 46ms 4 Jul 2024 82nd albanian-laundromat 850 40 44ms 1 Oct 2025 82nd lacrosse 850 40 56ms 18 days ago 95th hugolgst 829 41 34ms 18 May 2019 95th FnControlOption 829 41 35ms 21 Aug 2022 97th 0xddom 810 42 41ms 18 Dec 2019 97th jamespeilunli 810 42 51ms 1 May 2022 97th purp 810 42 43ms 9 Aug 2022 100th robymus 791 43 36ms 17 Sep 2018 101st esmg1 773 44 31ms 22 Aug 2018 101st annaproxy 773 44 31ms 27 Aug 2022 103rd tadd 756 45 42ms 16 Apr 2020 103rd pandapawskat 756 45 42ms 7 Oct 2021 103rd a-apple1234 756 45 31ms 14 Feb 2023 106th idoschor 739 46 42ms 28 Dec 2020 107th reireias 723 47 39ms 31 Jul 2019 108th jacobsmith 680 50 35ms 19 May 2018 109th galloj 🇨🇿 618 55 30ms 18 Aug 2022 109th sreedevk 🇺🇸 618 55 44ms 4 Dec 2022 111th Mortis66666 596 57 44ms 3 Jun 2022 112th catflip 567 60 32ms 18 Oct 2023 113th kenakingkong 540 63 35ms 4 May 2021 114th MiranDaniel 🇨🇿 507 67 40ms 1 Sep 2023 115th boxjelly 500 68 31ms 12 Feb 2021 116th atayarani 486 70 32ms 18 Jan 2019 117th yokasuretsu 459 74 43ms 3 May 2018 118th graemewalters 436 78 37ms 25 Mar 2019 118th msbranicky 436 78 40ms 8 Sep 2023 120th michaelrychly 420 81 37ms 5 Jun 2019 121st matricronia 400 85 32ms 6 May 2021 122nd JRaspass 🇬🇧 354 96 49ms 19 May 2018 122nd retrohun 354 96 36ms 21 Dec 2018 122nd ninjawarrior1337 354 96 42ms 1 Dec 2021 122nd KatieLG-Transpiler 🇬🇧 354 96 44ms 24 Jun 2022 122nd HumanoidCPU 354 96 37ms 8 May 2024 122nd Mabeloid 🇳🇴 354 96 53ms 22 Sep 2024 122nd CaedenHarper 🇨🇦 354 96 42ms 16 Aug 2025 129th zstearman3 327 104 40ms 13 Jul 2018 130th mokymok 🇺🇸 266 128 43ms 9 Nov 2021 First Prev 76–130 of 130
