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Roman to Arabic in all languages 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 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 Bytes Time Submitted 748th adamnielson42 🇺🇸 642 148 19ms 8 Aug 2023 748th jtaxen 642 148 20ms 28 Apr 2024 748th o0BlackDragon0o 642 148 25ms 8 Sep 2024 748th Bombalech 642 148 28ms 8 Sep 2024 748th wh3n3v3r 🇨🇿 642 148 19ms 8 Nov 2024 756th jared-hughes 641 141 14ms 16 Apr 2022 757th CaedenHarper 🇨🇦 639 97 138ms 18 Aug 2025 758th unfinishedprogram 639 119 12ms 12 Jul 2024 759th olligobber 🇦🇺 639 175 379ms 21 May 2020 760th pzagrebin 636 97 57ms 25 Aug 2022 761st dokutan 636 142 16ms 29 Mar 2025 762nd janbehrens 🇩🇪 636 161 349ms 16 May 2023 763rd thisishowmymindworks 🇳🇴 634 120 13ms 5 Oct 2020 763rd PatrickStephansen 🇿🇦 634 120 29ms 9 Jun 2021 763rd stefangabos 🇷🇴 634 120 14ms 13 Sep 2022 766th sambirnbaum1 634 150 19ms 6 Sep 2019 766th MaxElf999 634 150 27ms 20 Oct 2022 766th nstearns96 🇬🇧 634 150 27ms 8 Dec 2022 766th Florian-Mt 634 150 19ms 14 Nov 2023 770th Yewzir 🇧🇪 632 134 4ms 10 Jun 2024 771st Jiramide 632 177 298ms 8 Feb 2021 772nd MeWhenI 🇻🇦 631 103 911ms 15 Sep 2025 773rd albanian-laundromat 630 125 633ms 9 Aug 2025 774th MarcMush 🇫🇷 629 98 888ms 11 Jan 2024 775th dokutan 629 128 147ms 6 Jun 2025 776th ian-h-chamberlain 🇺🇸 629 151 19ms 17 Dec 2019 776th qwjhvbxi 629 151 20ms 7 Feb 2024 778th jared-hughes 626 92 52ms 20 Sep 2022 779th Natanaelel 🇸🇪 625 71 53ms 16 Nov 2021 779th DialFrost 🇸🇬 625 71 44ms 31 Jan 2024 779th 4hg 🇺🇸 625 71 46ms 19 Jun 2024 782nd galloj 🇨🇿 625 152 19ms 10 Jan 2023 782nd Artemis21 🇬🇧 625 152 19ms 2 Jan 2025 784th YAJUE114514 625 179 289ms 3 Aug 2025 785th JOrE20 🇺🇸 623 122 14ms 20 days ago 786th myfatemi04 621 153 22ms 10 Jan 2018 786th jhpaques 🇫🇷 621 153 19ms 28 Jul 2022 788th sebipopa 🇷🇴 618 123 14ms 14 Sep 2022 788th xyangst 618 123 15ms 4 Oct 2024 790th SirBogman 🇺🇸 617 94 30ms 5 Oct 2020 791st RDShah 617 154 25ms 31 Jan 2020 791st dzshn 617 154 17ms 9 Jun 2021 791st bbakersmith 617 154 30ms 28 Jun 2022 791st aksyristos 617 154 20ms 8 Mar 2023 791st tobyLovick 617 154 20ms 7 Dec 2023 791st chartung17 617 154 24ms 14 Jan 2024 791st EnTerr 617 154 18ms 25 Aug 2024 791st Pyroan 617 154 31ms 24 days ago 799th retrohun 616 111 17ms 21 Sep 2024 800th snoozingnewt 🇺🇸 615 128 474ms 8 days ago 801st Shanethegamer 🇺🇸 615 130 27ms 4 Oct 2024 802nd CaedenHarper 🇨🇦 614 131 361ms 17 Aug 2025 803rd filharmonista 614 138 4ms 13 Mar 2020 803rd TeodorDyakov 🇧🇬 614 138 4ms 3 Jul 2025 805th hiddicop 🇸🇪 613 94 66ms 1 Feb 2021 806th neihousaigaai 613 124 14ms 28 Apr 2021 806th Andrey-Plotnikov 613 124 13ms 9 Aug 2025 808th dzhang314 613 155 20ms 14 Aug 2019 808th za3k 613 155 19ms 11 Oct 2022 808th r-benson 🇬🇧 613 155 25ms 1 Feb 2023 808th Hortaros 613 155 19ms 14 Apr 2023 808th HumanoidCPU 613 155 19ms 7 Jun 2024 813th dokutan 610 132 337ms 7 Apr 2025 814th G33kDude 609 156 20ms 20 Mar 2019 814th cellobix 609 156 19ms 15 Aug 2019 814th mokymok 🇺🇸 609 156 19ms 11 Oct 2021 814th BREMAUCY 🇫🇷 609 156 26ms 2 Jan 2024 814th hiichbindermax 609 156 20ms 15 Sep 2024 814th M4rc0g1 609 156 21ms 6 days ago 820th dsntzn 🇸🇰 608 125 16ms 1 Mar 2021 820th smclaughlin-cf 608 125 16ms 8 Apr 2025 822nd cure-honey 🇯🇵 608 200 55ms 26 Apr 2020 823rd MeWhenI 🇻🇦 607 105 33ms 12 Nov 2022 824th Phil-RGOMEGA 606 149 7ms 30 Aug 2023 825th adamnielson42 🇺🇸 605 79 46ms 7 Dec 2023 First Prev 751–825 of 1,442 Next Last