The Taxicab Numbers hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Hexdump in all languages 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 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim 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 Chars Time Submitted 601st junkondo-jp 477 262 11ms 31 May 2024 602nd CaedenHarper 🇨🇦 475 263 12ms 16 Sep 2025 603rd dokutan 471 299 209ms 7 Jul 2024 604th AlephSquirrel 466 178 611ms 21 Jan 2024 605th nullie 464 193 16ms 8 Jun 2022 605th Mabeloid 🇳🇴 464 193 11ms 8 Sep 2024 607th MeWhenI 🇻🇦 464 230 109ms 15 Dec 2022 608th eiburns 463 437 593ms 15 Dec 2022 608th Vaekor 463 437 467ms 3 Aug 2023 610th MeWhenI 🇻🇦 462 175 309ms 28 Jan 2023 611th mbittner20 462 194 10ms 27 May 2023 612th scpchicken 🇵🇼 461 134 246ms 1 May 2022 613th AlephSquirrel 459 195 11ms 21 Jan 2023 614th cefqrn 457 196 11ms 6 Jan 2023 614th BREMAUCY 🇫🇷 457 196 12ms 16 Aug 2025 614th denkyuu1 457 196 11ms 15 days ago 614th solisolu 457 196 11ms 14 days ago 618th eggled 455 153 3ms 24 Jun 2022 619th janbehrens 🇩🇪 455 197 11ms 10 May 2022 619th AGoyet 455 197 12ms 29 Jun 2022 619th Bmrl7 455 197 18ms 26 Dec 2025 622nd Yewzir 🇧🇪 454 238 11ms 5 Apr 2024 623rd max-barstow 453 142 38ms 23 Sep 2022 624th Argeento 🇵🇱 452 276 12ms 9 Sep 2023 625th calinous 🇷🇴 451 327 3ms 28 Feb 2023 626th hamhub7 451 333 428ms 10 Aug 2022 627th shinh 450 143 39ms 25 Jun 2022 628th myleopard 450 199 11ms 25 Dec 2022 628th PyryL 🇫🇮 450 199 10ms 21 Aug 2024 628th andrewjc2000 450 199 19ms 13 Aug 2025 631st FlyingPenguin223 450 279 2ms 29 Dec 2025 632nd Heathcorp 🇦🇺 446 201 12ms 12 Aug 2023 632nd stefangimmillaro 446 201 11ms 9 May 2024 634th MeWhenI 🇻🇦 444 206 403ms 15 Feb 2023 635th MeWhenI 🇻🇦 442 228 150ms 3 Aug 2024 636th Natanaelel 🇸🇪 441 203 16ms 24 Nov 2023 637th iczelia 🇩🇪 441 334 3ms 14 Oct 2025 638th MeWhenI 🇻🇦 439 228 770ms 15 Sep 2025 639th qpwoeirut 435 206 11ms 2 Nov 2025 640th bac0id 435 345 453ms 27 Sep 2023 641st aevykt 434 340 2ms 30 Oct 2023 642nd Masttest 433 207 12ms 14 Feb 2024 643rd Yax42 🇫🇷 432 289 10ms 13 Nov 2025 644th martinnorling 🇸🇪 431 417 14ms 4 May 2022 645th Mabeloid 🇳🇴 430 193 478ms 17 Sep 2024 646th jared-hughes 429 150 39ms 12 Sep 2022 647th mrmena 🇦🇺 427 422 43ms 16 Apr 2024 648th knutae 🇳🇴 424 211 10ms 30 Dec 2023 648th alemelis 424 211 11ms 11 Oct 2024 650th NameRandomString 424 306 18ms 13 days ago 651st josrepo 423 478 490ms 4 May 2025 652nd amollberg 🇸🇪 421 213 13ms 14 Jan 2024 652nd frankgraziano 421 213 11ms 2 Mar 2025 654th jfallon1997 419 214 10ms 17 Aug 2022 654th m42km 419 214 9ms 11 Jan 2024 654th FranklinJiaChen 419 214 11ms 5 Aug 2024 657th croc54 415 216 10ms 8 Jan 2025 658th janbehrens 🇩🇪 412 222 707ms 10 May 2022 659th m42km 411 202 523ms 3 Feb 2024 660th IlkkaTakala 411 392 2,876ms 28 Nov 2023 661st KatieLG 🇬🇧 408 368 456ms 22 Oct 2022 662nd dillon-duncando 407 220 11ms 5 Oct 2022 663rd krcs 🇵🇱 406 199 334ms 3 May 2022 664th madex 🇩🇪 405 221 13ms 9 Jul 2024 664th abhishekg999 405 221 12ms 21 Sep 2024 664th LostSyntax21 🇬🇧 405 221 13ms 2 Dec 2024 664th Troon 405 221 12ms 28 Feb 2025 668th martinnorling 🇸🇪 403 222 10ms 4 May 2022 668th galloj 🇨🇿 403 222 11ms 28 Aug 2022 668th lelbal 403 222 16ms 11 days ago 671st SirFireball3521 402 154 257ms 26 Feb 2024 672nd RYNO8 400 224 13ms 16 Aug 2022 673rd abba23 398 225 20ms 31 May 2022 674th harperse 396 204 290ms 5 May 2023 675th za3k 396 226 14ms 16 Oct 2022 676th msbranicky 395 227 11ms 12 Jul 2023 677th ComputerKWasTaken 🇺🇸 394 876 1,215ms 21 Jan 2025 678th TobyBoyne 🇬🇧 389 230 11ms 1 May 2022 678th Pyroan 389 230 10ms 24 Feb 2025 680th rucin93 🇵🇱 389 259 156ms 31 Oct 2024 681st codewrite 🇬🇧 388 231 18ms 13 Jul 2025 682nd FlorianCassayre 🇫🇷 388 236 1,609ms 12 Sep 2023 683rd Andriamanitra 🇫🇮 385 167 37ms 20 Jul 2022 684th rowboat1 384 233 13ms 14 Jun 2022 685th arobson13 🇨🇦 384 316 5ms 10 Apr 2023 686th te-chnical 383 234 11ms 18 Nov 2025 687th jbjd 381 235 19ms 23 Nov 2024 688th bobbysq 380 236 14ms 6 Jul 2023 688th jtaxen 380 236 10ms 12 Apr 2024 690th CedricGebistorf 378 237 11ms 9 May 2022 690th inverseLorentz 🇦🇺 378 237 11ms 19 Oct 2023 692nd jhpaques 🇫🇷 376 238 10ms 30 Nov 2022 693rd fgrosshans 🇫🇷 375 239 11ms 14 Nov 2022 693rd Terobero 375 239 10ms 3 Sep 2024 695th TheZwierzLF 🇵🇱 374 222 645ms 11 Dec 2025 696th CaedenHarper 🇨🇦 374 401 470ms 17 Oct 2025 697th Natanaelel 🇸🇪 373 194 33ms 2 May 2024 698th karhuthebear 373 240 11ms 11 May 2022 699th Haksell 🇦🇶 370 174 37ms 22 Feb 2023 700th adamnielson42 🇺🇸 370 242 12ms 25 Apr 2023 First Prev 601–700 of 862 Next Last