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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL 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 ><> ALGOL 68 ArkScript 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 APL 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 72nd Haksell 🇦🇶 872 39 34ms 22 Feb 2023 72nd AlephSquirrel 872 39 36ms 7 Mar 2023 72nd aaronze 🇦🇺 872 39 35ms 17 Sep 2023 72nd TheZwierzLF 🇵🇱 872 39 36ms 17 Dec 2025 85th segiddins 850 40 34ms 24 Aug 2018 85th TFeld00 🇩🇰 850 40 34ms 7 Jun 2019 85th flavono123 850 40 38ms 16 Jul 2019 85th snltd 850 40 35ms 14 Aug 2019 85th n1LS 850 40 34ms 23 Oct 2019 85th jstanley0 850 40 34ms 13 Dec 2020 85th Marin-Kitagawa 850 40 36ms 18 Jul 2021 85th Luj8n 850 40 38ms 12 Nov 2021 85th HallMatthew314 850 40 37ms 5 Dec 2021 85th fynnkroeger 850 40 39ms 30 Apr 2022 85th Ralac07 🇦🇺 850 40 38ms 4 Jul 2024 85th albanian-laundromat 🇺🇸 850 40 36ms 1 Oct 2025 85th lacrosse 850 40 33ms 29 Nov 2025 85th Thinkr1 850 40 36ms 3 Feb 2026 99th hugolgst 829 41 35ms 18 May 2019 99th FnControlOption 829 41 34ms 21 Aug 2022 99th madeforlosers 829 41 35ms 6 days ago 102nd 0xddom 810 42 34ms 18 Dec 2019 102nd jamespeilunli 810 42 35ms 1 May 2022 102nd purp 810 42 36ms 9 Aug 2022 105th robymus 791 43 33ms 17 Sep 2018 106th esmg1 773 44 39ms 22 Aug 2018 106th annaproxy 773 44 34ms 27 Aug 2022 108th tadd 756 45 34ms 16 Apr 2020 108th pandapawskat 756 45 35ms 7 Oct 2021 108th a-apple1234 756 45 35ms 14 Feb 2023 111th idoschor 739 46 34ms 28 Dec 2020 112th reireias 723 47 33ms 31 Jul 2019 113th jacobsmith 680 50 36ms 19 May 2018 114th galloj 🇨🇿 618 55 38ms 18 Aug 2022 114th sreedevk 🇺🇸 618 55 33ms 4 Dec 2022 116th Mortis66666 596 57 34ms 3 Jun 2022 117th catflip 567 60 35ms 18 Oct 2023 118th kenakingkong 540 63 39ms 4 May 2021 119th MiranDaniel 🇨🇿 507 67 34ms 1 Sep 2023 120th boxjelly 500 68 35ms 12 Feb 2021 121st atayarani 486 70 35ms 18 Jan 2019 122nd yokasuretsu 459 74 35ms 3 May 2018 122nd jusaka 459 74 36ms 4 days ago 124th graemewalters 436 78 41ms 25 Mar 2019 124th msbranicky 436 78 35ms 8 Sep 2023 126th michaelrychly 420 81 35ms 5 Jun 2019 127th matricronia 400 85 35ms 6 May 2021 128th JRaspass 🇬🇧 354 96 37ms 19 May 2018 128th retrohun 354 96 32ms 21 Dec 2018 128th ninjawarrior1337 354 96 34ms 1 Dec 2021 128th KatieLG-Transpiler 🇬🇧 354 96 37ms 24 Jun 2022 128th HumanoidCPU 354 96 34ms 8 May 2024 128th Mabeloid 🇳🇴 354 96 35ms 22 Sep 2024 128th CaedenHarper 🇨🇦 354 96 34ms 16 Aug 2025 135th zstearman3 327 104 36ms 13 Jul 2018 136th mokymok 🇺🇸 266 128 35ms 9 Nov 2021 First Prev 81–136 of 136
