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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 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 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 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 68th aksyristos 744 39 47ms 24 Jan 2023 68th Haksell 🇦🇶 744 39 38ms 22 Feb 2023 68th AlephSquirrel 744 39 35ms 7 Mar 2023 68th aaronze 🇦🇺 744 39 40ms 17 Sep 2023 80th segiddins 725 40 35ms 24 Aug 2018 80th TFeld00 🇩🇰 725 40 41ms 7 Jun 2019 80th flavono123 725 40 42ms 16 Jul 2019 80th snltd 725 40 34ms 14 Aug 2019 80th n1LS 725 40 38ms 23 Oct 2019 80th jstanley0 725 40 36ms 13 Dec 2020 80th Marin-Kitagawa 725 40 36ms 18 Jul 2021 80th Luj8n 725 40 35ms 12 Nov 2021 80th HallMatthew314 725 40 38ms 5 Dec 2021 80th fynnkroeger 725 40 47ms 30 Apr 2022 80th Ralac07 🇦🇺 725 40 34ms 4 Jul 2024 80th albanian-laundromat 725 40 35ms 1 Oct 2025 80th lacrosse 725 40 30ms 10 hours ago 93rd hugolgst 707 41 42ms 18 May 2019 93rd FnControlOption 707 41 48ms 21 Aug 2022 95th 0xddom 690 42 42ms 18 Dec 2019 95th jamespeilunli 690 42 34ms 1 May 2022 95th purp 690 42 35ms 9 Aug 2022 98th robymus 674 43 33ms 17 Sep 2018 99th esmg1 659 44 41ms 22 Aug 2018 99th annaproxy 659 44 43ms 27 Aug 2022 101st tadd 644 45 38ms 16 Apr 2020 101st pandapawskat 644 45 36ms 7 Oct 2021 101st a-apple1234 644 45 44ms 14 Feb 2023 104th idoschor 630 46 38ms 28 Dec 2020 105th reireias 617 47 33ms 31 Jul 2019 106th jacobsmith 580 50 44ms 19 May 2018 107th galloj 🇨🇿 527 55 36ms 18 Aug 2022 107th sreedevk 🇺🇸 527 55 35ms 4 Dec 2022 109th Mortis66666 509 57 37ms 3 Jun 2022 110th catflip 483 60 44ms 18 Oct 2023 111th kenakingkong 460 63 36ms 4 May 2021 112th MiranDaniel 🇨🇿 433 67 35ms 1 Sep 2023 113th boxjelly 426 68 36ms 12 Feb 2021 114th atayarani 414 70 37ms 18 Jan 2019 114th HumanoidCPU 414 70 33ms 10 Jan 2025 116th yokasuretsu 392 74 35ms 3 May 2018 117th graemewalters 372 78 44ms 25 Mar 2019 117th msbranicky 372 78 35ms 8 Sep 2023 119th michaelrychly 358 81 42ms 5 Jun 2019 120th matricronia 341 85 43ms 6 May 2021 121st JRaspass 🇬🇧 302 96 41ms 19 May 2018 121st retrohun 302 96 33ms 21 Dec 2018 121st ninjawarrior1337 302 96 43ms 1 Dec 2021 121st KatieLG-Transpiler 🇬🇧 302 96 35ms 24 Jun 2022 121st Mabeloid 🇳🇴 302 96 42ms 22 Sep 2024 121st CaedenHarper 🇨🇦 302 96 32ms 16 Aug 2025 127th zstearman3 279 104 37ms 13 Jul 2018 128th mokymok 🇺🇸 227 128 36ms 9 Nov 2021 First Prev 76–128 of 128
