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 449th dokutan 390 512 12 Sep 2025 452nd MeWhenI 🇻🇦 389 514 2 Nov 2024 453rd albanian-laundromat 384 204 5 Sep 2025 454th ZakChrom 382 175 7 days ago 455th emgordon154 379 171 9 May 2025 456th commandblockguy 🇺🇸 370 175 1 Sep 2025 457th emgordon154 369 255 10 Jan 2025 458th HumanoidCPU 368 447 1 Nov 2024 458th dokutan 368 447 1 Nov 2024 458th Shanethegamer 🇺🇸 368 447 1 Nov 2024 458th MeWhenI 🇻🇦 368 447 2 Nov 2024 458th CaedenHarper 🇨🇦 368 447 12 Aug 2025 463rd Ripick 364 223 1 Nov 2024 464th inventshah 360 190 4 Nov 2024 464th luuumine 🇫🇷 360 190 44 hours ago 466th emgordon154 360 202 6 Aug 2025 467th HumanoidCPU 360 446 1 Nov 2024 467th dokutan 360 446 1 Nov 2024 467th Shanethegamer 🇺🇸 360 446 1 Nov 2024 467th KatieLG 🇬🇧 360 446 1 Nov 2024 467th MeWhenI 🇻🇦 360 446 2 Nov 2024 467th CaedenHarper 🇨🇦 360 446 22 Jan 2025 473rd mrxz 🇳🇱 358 151 21 Nov 2024 474th Waffle3z 354 189 24 Nov 2024 475th tomh1012 354 215 15 Aug 2025 476th kichiandk 350 287 13 Nov 2024 477th msbranicky 349 218 1 Nov 2024 478th duckyluuk 🇳🇱 346 187 6 Nov 2024 479th ravnskjaer 🇩🇰 346 236 6 Jul 2025 480th Lv0Sys 🇵🇱 338 155 15 Jun 2025 481st tatzyr 🇯🇵 331 167 29 Dec 2024 482nd msbranicky 330 194 1 Nov 2024 483rd madeforlosers 323 1,787 8 Nov 2024 484th HumanoidCPU 317 1,820 1 Nov 2024 485th snoozingnewt 🇺🇸 310 209 13 days ago 486th croc54 309 218 9 Jan 2025 487th HumanoidCPU 309 448 1 Nov 2024 487th KatieLG 🇬🇧 309 448 1 Nov 2024 487th Shanethegamer 🇺🇸 309 448 1 Nov 2024 487th dokutan 309 448 1 Nov 2024 487th MeWhenI 🇻🇦 309 448 2 Nov 2024 487th snoozingnewt 🇺🇸 309 448 13 Sep 2025 493rd emgordon154 308 120 5 Nov 2024 494th error256 305 433 19 Jan 2025 495th dokutan 305 439 1 Nov 2024 495th HumanoidCPU 305 439 1 Nov 2024 495th Shanethegamer 🇺🇸 305 439 1 Nov 2024 495th MeWhenI 🇻🇦 305 439 2 Nov 2024 495th Msleizak 🇫🇷 305 439 27 Dec 2024 495th nullshallot 305 439 9 Jan 2025 495th CaedenHarper 🇨🇦 305 439 16 Aug 2025 502nd neihousaigaai 304 225 15 Nov 2024 503rd cmkb3 302 444 15 Nov 2024 504th HumanoidCPU 302 446 1 Nov 2024 504th KatieLG 🇬🇧 302 446 1 Nov 2024 504th Shanethegamer 🇺🇸 302 446 1 Nov 2024 504th dokutan 302 446 1 Nov 2024 504th MeWhenI 🇻🇦 302 446 2 Nov 2024 504th ehulinsky 🇺🇸 302 446 26 Mar 2025 504th CaedenHarper 🇨🇦 302 446 16 Aug 2025 511th Jaydosu 295 232 9 Apr 2025 511th fkantelberg 295 232 12 Jul 2025 513th jameswmccarty 292 234 3 days ago 514th KatieLG 🇬🇧 291 1,983 1 Nov 2024 515th KatieLG 🇬🇧 290 236 11 days ago 516th weliveinhell 🇭🇹 289 187 20 Jun 2025 517th dokutan 289 323 1 Nov 2024 518th madeforlosers 288 237 26 Aug 2025 519th Ripick 278 300 4 Nov 2024 520th HumanoidCPU 278 448 1 Nov 2024 520th dokutan 278 448 1 Nov 2024 520th KatieLG 🇬🇧 278 448 1 Nov 2024 520th Shanethegamer 🇺🇸 278 448 1 Nov 2024 520th CaedenHarper 🇨🇦 278 448 24 Jan 2025 525th snoozingnewt 🇺🇸 277 247 7 days ago First Prev 451–525 of 938 Next Last