Kaprekar Numbers in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Erlang 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 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 Erlang 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 601st dokutan 199 336 2ms 1 Nov 2024 602nd CaedenHarper 🇨🇦 198 1,015 2ms 22 Jan 2025 603rd HumanoidCPU 196 445 86ms 1 Nov 2024 603rd KatieLG 🇬🇧 196 445 94ms 1 Nov 2024 603rd Shanethegamer 🇺🇸 196 445 84ms 1 Nov 2024 603rd dokutan 196 445 81ms 1 Nov 2024 603rd MeWhenI 🇻🇦 196 445 87ms 2 Nov 2024 603rd CaedenHarper 🇨🇦 196 445 89ms 16 Aug 2025 609th HumanoidCPU 196 519 127ms 1 Nov 2024 609th Shanethegamer 🇺🇸 196 519 107ms 1 Nov 2024 609th KatieLG 🇬🇧 196 519 122ms 1 Nov 2024 609th dokutan 196 519 111ms 1 Nov 2024 609th MeWhenI 🇻🇦 196 519 106ms 2 Nov 2024 609th CaedenHarper 🇨🇦 196 519 110ms 25 Jan 2025 615th QeepQeep 195 2,960 2ms 10 Nov 2024 615th Short-C0de 🇺🇸 195 2,960 3ms 14 Nov 2024 617th brimstonetrader 194 353 761ms 5 Nov 2024 618th CLOStrophobic 🇮🇹 192 356 4,527ms 9 Feb 2025 619th CommandLeo 🇮🇹 190 359 13ms 14 days ago 620th HumanoidCPU 189 449 63ms 1 Nov 2024 620th dokutan 189 449 55ms 1 Nov 2024 620th KatieLG 🇬🇧 189 449 39ms 1 Nov 2024 620th Shanethegamer 🇺🇸 189 449 57ms 1 Nov 2024 620th MeWhenI 🇻🇦 189 449 48ms 2 Nov 2024 620th CaedenHarper 🇨🇦 189 449 44ms 16 Aug 2025 626th Shanethegamer 🇺🇸 187 444 69ms 22 Nov 2024 626th dokutan 187 444 70ms 21 Jun 2025 628th HumanoidCPU 186 446 72ms 27 Jan 2025 629th Shanethegamer 🇺🇸 186 450 855ms 16 Apr 2025 629th KatieLG 🇬🇧 186 450 803ms 20 Apr 2025 629th dokutan 186 450 705ms 23 Jul 2025 629th HumanoidCPU 186 450 811ms 18 Aug 2025 629th MeWhenI 🇻🇦 186 450 753ms 15 Sep 2025 634th KatieLG 🇬🇧 186 1,387 5ms 1 Nov 2024 635th KatieLG 🇬🇧 185 447 67ms 1 Nov 2024 635th MeWhenI 🇻🇦 185 447 69ms 2 Nov 2024 635th CaedenHarper 🇨🇦 185 447 71ms 25 Jan 2025 638th HumanoidCPU 181 449 137ms 1 Nov 2024 638th dokutan 181 449 153ms 1 Nov 2024 638th KatieLG 🇬🇧 181 449 146ms 1 Nov 2024 638th Shanethegamer 🇺🇸 181 449 143ms 1 Nov 2024 638th MeWhenI 🇻🇦 181 449 135ms 2 Nov 2024 638th CaedenHarper 🇨🇦 181 449 136ms 16 Aug 2025 644th HumanoidCPU 181 515 5ms 1 Nov 2024 645th HumanoidCPU 178 460 119ms 1 Nov 2024 645th dokutan 178 460 121ms 1 Nov 2024 645th MeWhenI 🇻🇦 178 460 120ms 2 Nov 2024 645th klixel 🇨🇦 178 460 127ms 15 Nov 2024 645th Shanethegamer 🇺🇸 178 460 118ms 20 Feb 2025 645th CaedenHarper 🇨🇦 178 460 119ms 16 Aug 2025 651st dokutan 176 475 57ms 1 Nov 2024 651st Shanethegamer 🇺🇸 176 475 59ms 1 Nov 2024 651st CaedenHarper 🇨🇦 176 475 60ms 23 Jan 2025 654th dokutan 174 470 432ms 24 Sep 2025 655th Blendi-Goose 173 387 2ms 15 days ago 656th adamnielson42 🇺🇸 173 395 4,592ms 3 Dec 2024 657th dokutan 173 434 42ms 1 Nov 2024 658th MeWhenI 🇻🇦 173 455 51ms 2 Nov 2024 659th ocefra 170 393 100ms 25 Dec 2024 660th HumanoidCPU 170 441 40ms 1 Nov 2024 660th KatieLG 🇬🇧 170 441 43ms 1 Nov 2024 660th Shanethegamer 🇺🇸 170 441 41ms 1 Nov 2024 660th MeWhenI 🇻🇦 170 441 35ms 2 Nov 2024 660th CaedenHarper 🇨🇦 170 441 40ms 25 Jan 2025 665th Shanethegamer 🇺🇸 170 471 455ms 1 Nov 2024 666th MeWhenI 🇻🇦 170 472 435ms 2 Nov 2024 666th CaedenHarper 🇨🇦 170 472 477ms 24 Jan 2025 668th HumanoidCPU 169 473 435ms 1 Nov 2024 669th dokutan 168 478 169ms 1 Nov 2024 670th KatieLG 🇬🇧 168 487 424ms 24 Sep 2025 671st HumanoidCPU 167 455 3ms 1 Nov 2024 671st dokutan 167 455 3ms 1 Nov 2024 671st KatieLG 🇬🇧 167 455 2ms 1 Nov 2024 671st Shanethegamer 🇺🇸 167 455 3ms 1 Nov 2024 671st MeWhenI 🇻🇦 167 455 3ms 2 Nov 2024 First Prev 601–675 of 940 Next Last