The Taxicab Numbers hole will go live in approximately 44 hours. Why not try and solve it ahead of time?
Spelling Numbers 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 Huffman Encoder 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 Huffman Encoder 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 BlueSky555 448 586 3,027ms 8 Aug 2024 602nd rucin93 🇵🇱 447 319 160ms 27 Dec 2024 603rd iczelia 🇩🇪 447 372 11ms 19 Oct 2025 604th CaedenHarper 🇨🇦 445 374 13ms 29 Aug 2025 605th MeWhenI 🇻🇦 444 237 581ms 13 Jul 2024 606th Bulmenisaurus 444 251 22ms 8 Aug 2024 607th ovs-code 🇩🇪 444 309 729ms 10 Mar 2024 608th retrohun 441 432 6ms 23 Aug 2025 609th HoffmannJM 441 699 18ms 17 Nov 2021 610th Mabeloid 🇳🇴 440 239 532ms 4 May 2025 611th vaughad 440 308 923ms 22 Jan 2020 612th rumblesan 440 378 12ms 7 Dec 2018 613th primo-ppcg 🇹🇭 439 231 1,874ms 7 Feb 2023 614th AlephSquirrel 439 254 15ms 22 Jan 2024 615th cmayer777 439 598 72ms 19 Dec 2022 616th KatieLG 🇬🇧 437 241 466ms 28 Oct 2024 617th janlelis 437 255 31ms 26 Aug 2025 618th inventshah 436 437 142ms 27 Aug 2022 619th c0d3-4-F00d 🇩🇪 435 610 451ms 21 Nov 2021 620th HumanoidCPU 434 498 4ms 25 Nov 2025 621st rifatx 432 615 451ms 22 Jul 2024 622nd luuumine 🇫🇷 430 259 27ms 21 Oct 2025 623rd najs91 430 618 467ms 15 Oct 2024 624th MeWhenI 🇻🇦 430 690 234ms 6 Nov 2023 625th eranws 429 388 12ms 10 Sep 2023 625th Yax42 🇫🇷 429 388 12ms 20 Jan 2026 627th Schmitt-Very-Cool 429 525 554ms 3 Oct 2025 628th dokutan 429 638 12ms 1 Dec 2025 629th RaBa21 🇭🇺 427 261 25ms 13 Jul 2025 630th coreynash 427 390 13ms 24 Feb 2024 630th gigaprofisi 🇺🇸 427 390 12ms 10 Aug 2025 632nd lynn 427 479 30ms 25 Jul 2021 633rd MeWhenI 🇻🇦 426 334 170ms 25 Oct 2024 634th dsntzn 🇸🇰 426 391 12ms 18 Aug 2020 635th MeWhenI 🇻🇦 426 618 25ms 15 Aug 2024 636th robin-scragg 425 262 23ms 27 Sep 2025 637th pikti 425 625 523ms 21 Nov 2021 638th djeedjay 🇳🇱 424 510 5ms 27 Oct 2020 639th Feluxus 424 532 446ms 15 Nov 2021 640th AlephSquirrel 423 249 596ms 22 Jan 2024 641st BBoehm 🇩🇪 423 393 14ms 9 Feb 2021 642nd squadb3 422 394 11ms 10 Oct 2019 643rd dokutan 421 452 2,444ms 26 Oct 2024 644th Widgitty 420 515 5ms 24 Sep 2025 645th alemelis 418 328 773ms 23 Jul 2024 646th shreyasminocha 417 399 11ms 2 Aug 2020 646th xkacer 🇨🇿 417 399 11ms 30 Jan 2021 646th mrxz 🇳🇱 417 399 11ms 9 May 2021 649th MeWhenI 🇻🇦 417 543 113ms 6 Nov 2023 650th dijs 416 400 12ms 21 Dec 2019 651st mcipperly 415 422 320ms 26 Aug 2018 652nd pandapawskat 415 521 4ms 1 Sep 2021 653rd snoozingnewt 🇨🇦 415 543 718ms 24 Sep 2025 654th MeWhenI 🇻🇦 413 332 484ms 14 Feb 2023 655th alexsave 410 406 15ms 2 Dec 2025 656th mazzegi 408 896 324ms 18 Apr 2020 657th cmayer777 404 535 4ms 20 Dec 2022 658th ovs-code 🇩🇪 403 288 41ms 9 Jul 2024 659th bac0id 402 538 3ms 24 Dec 2024 660th sisyphus-ppcg 🇦🇺 400 290 45ms 3 Feb 2022 661st tomh1012 400 416 15ms 21 Sep 2020 662nd wansacis 🇩🇪 398 418 15ms 14 Jun 2022 663rd msbranicky 397 203 48ms 25 Dec 2023 664th janbehrens 🇩🇪 395 347 458ms 24 Feb 2022 665th acollett89 394 422 16ms 1 Aug 2025 666th bwat2 394 572 470ms 24 May 2022 667th yuchuehw 393 574 440ms 1 Jan 2024 668th brochmann 🇸🇪 392 284 24ms 13 Aug 2023 669th SpareManiKatti 391 426 11ms 9 Sep 2021 670th joshuaxie8 389 579 419ms 9 Jul 2025 671st avila-gabriel 389 918 194ms 17 Oct 2024 672nd plcc0 384 264 72ms 3 Nov 2025 673rd Andriamanitra 🇫🇮 384 357 283ms 25 Aug 2022 674th XaavanDolence 384 772 187ms 7 Sep 2020 675th CarsonChr 🇺🇸 383 435 12ms 21 May 2023 676th boxjelly 383 565 4ms 17 Feb 2021 677th Apataras 381 591 482ms 12 Aug 2025 678th MeWhenI 🇻🇦 380 1,167 1,262ms 10 Feb 2025 679th RegularSalamander 377 441 11ms 30 Jan 2022 680th kaascevich 376 360 148ms 20 Jul 2025 681st gnlow 🇰🇷 376 443 15ms 27 Jan 2022 682nd papachan 375 215 26ms 12 Dec 2023 683rd lynn 375 297 174ms 6 Apr 2021 684th MattShaile 374 445 12ms 13 Apr 2022 685th mckymsh 373 446 12ms 14 Feb 2024 686th cafehaine 🇫🇷 373 508 3ms 6 Sep 2021 687th samthidny 371 449 12ms 13 Apr 2022 688th two-bad 🇬🇧 370 450 11ms 25 Feb 2024 689th Phil-RGOMEGA 370 512 2ms 9 May 2023 690th HumanoidCPU 369 302 25ms 6 Mar 2026 691st MeWhenI 🇻🇦 367 304 900ms 15 Sep 2025 692nd jared-hughes 367 316 42ms 12 Sep 2022 693rd dokutan 367 560 2,305ms 1 Feb 2026 694th bwenstar 362 308 16ms 12 Aug 2022 695th dokutan 361 874 416ms 1 Dec 2025 696th dokutan 361 963 15ms 7 Nov 2025 697th Florian-Mt 359 464 13ms 12 Jul 2024 698th SkimnerPhi 358 465 11ms 5 Dec 2020 699th TornadoCookie 358 605 3ms 25 Dec 2022 700th sebipopa 🇷🇴 356 467 12ms 12 Sep 2022 First Prev 601–700 of 1,095 Next Last