The Calendar hole will go live in approximately 9 days. Why not try and solve it ahead of time?
Partition Numbers 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 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 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers 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 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 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 Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 401st snoozingnewt 🇨🇦 672 121 396ms 4 Oct 2025 402nd blaztoma 🇱🇹 671 67 3ms 28 Oct 2025 403rd jatloe 670 79 10ms 17 Mar 2025 403rd roupiq 🇵🇱 670 79 10ms 18 Jun 2025 405th DialFrost 🇸🇬 670 89 39ms 11 Nov 2025 406th KatieLG 🇬🇧 668 78 418ms 9 Mar 2025 407th Lv0Sys 🇵🇱 667 75 10ms 12 days ago 408th tobeannouncd 667 90 128ms 24 Apr 2025 409th snoozingnewt 🇨🇦 667 124 694ms 6 Oct 2025 410th namelessiw 667 128 419ms 2 Oct 2025 411th Shanethegamer 🇺🇸 663 746 1ms 26 Nov 2024 411th HumanoidCPU 663 746 1ms 7 Jan 2025 411th KatieLG 🇬🇧 663 746 1ms 6 Mar 2025 411th CaedenHarper 🇨🇦 663 746 1ms 16 Aug 2025 415th error256 661 80 13ms 1 Mar 2025 415th klixel 🇨🇦 661 80 13ms 18 Mar 2025 415th ryyyn 🇺🇸 661 80 10ms 30 Oct 2025 415th edsrzf 🇳🇿 661 80 29ms 26 days ago 419th snoozingnewt 🇨🇦 659 82 756ms 23 Sep 2025 420th snoozingnewt 🇨🇦 657 151 24ms 23 Sep 2025 421st dokutan 656 124 325ms 30 Mar 2025 422nd snoozingnewt 🇨🇦 654 77 119ms 23 Sep 2025 423rd blaztoma 🇱🇹 653 81 10ms 28 Oct 2025 424th snoozingnewt 🇨🇦 653 96 124ms 23 Sep 2025 425th Natanaelel 🇸🇪 652 69 4ms 11 Mar 2025 426th madex 🇩🇪 649 77 9ms 20 Mar 2025 427th snoozingnewt 🇨🇦 648 101 95ms 23 Sep 2025 428th albanian-laundromat 647 159 34ms 13 Nov 2025 429th dokutan 646 66 40ms 30 Mar 2025 429th snoozingnewt 🇨🇦 646 66 33ms 23 Sep 2025 431st acotis 646 126 126ms 27 Sep 2025 432nd plcc0 645 82 10ms 4 Aug 2025 433rd AdrienHache 🇫🇷 645 126 341ms 10 Feb 2025 434th albanian-laundromat 642 119 41ms 7 Sep 2025 435th mousetail 🇳🇱 641 127 3,508ms 4 Mar 2025 436th dokutan 641 129 78ms 31 Mar 2025 437th m-tkach 🇺🇦 638 83 71ms 4 Mar 2025 437th Lv0Sys 🇵🇱 638 83 10ms 12 days ago 439th dokutan 636 82 427ms 29 Mar 2025 440th MeWhenI 🇻🇦 636 85 706ms 15 Sep 2025 441st albanian-laundromat 636 263 19ms 14 days ago 442nd JunkIce 630 84 10ms 27 Feb 2025 442nd dokutan 630 84 10ms 29 Mar 2025 442nd snoozingnewt 🇨🇦 630 84 10ms 31 Mar 2025 442nd Flekay 🇩🇪 630 84 11ms 10 Jul 2025 442nd wuduculfre 630 84 12ms 27 Jul 2025 442nd luuumine 🇫🇷 630 84 10ms 15 Nov 2025 448th albanian-laundromat 629 86 756ms 16 Nov 2025 449th MeWhenI 🇻🇦 625 72 3,433ms 28 Feb 2025 450th snoozingnewt 🇨🇦 623 77 885ms 23 Sep 2025 451st JunkIce 621 84 436ms 5 Mar 2025 451st snoozingnewt 🇨🇦 621 84 428ms 23 Sep 2025 453rd Shanethegamer 🇺🇸 620 160 39ms 8 Mar 2025 454th targrik 618 85 4ms 23 Oct 2025 455th trinityy-7 617 81 9ms 21 Jul 2025 456th DialFrost 🇸🇬 616 71 21ms 20 Feb 2025 457th BREMAUCY 🇫🇷 615 86 10ms 28 Feb 2025 457th madex 🇩🇪 615 86 10ms 20 Mar 2025 457th FortuiteMan 🇫🇷 615 86 11ms 21 Jul 2025 457th cros107 🇦🇺 615 86 10ms 21 Nov 2025 461st iczelia 🇩🇪 610 82 11ms 17 Oct 2025 462nd dokutan 609 106 1ms 31 Mar 2025 463rd BrunoVisnadi 🇧🇷 608 87 10ms 7 days ago 464th snoozingnewt 🇨🇦 607 117 1,292ms 23 Sep 2025 465th YAJUE114514 606 99 122ms 31 Jul 2025 466th Shanethegamer 🇺🇸 605 114 6ms 12 Mar 2025 467th MeWhenI 🇻🇦 603 99 39ms 1 Mar 2025 468th snoozingnewt 🇨🇦 603 107 2ms 9 Oct 2025 469th targrik 602 83 9ms 8 Jun 2025 470th snoozingnewt 🇨🇦 602 84 2ms 23 Sep 2025 471st snoozingnewt 🇨🇦 600 143 9ms 30 Sep 2025 472nd snoozingnewt 🇨🇦 597 100 42ms 23 Sep 2025 473rd helbling 🇨🇭 595 84 9ms 6 Mar 2025 474th snoozingnewt 🇨🇦 594 107 107ms 23 Sep 2025 475th FlyingPenguin223 594 116 30ms 28 Feb 2025 476th madex 🇩🇪 593 72 35ms 20 Mar 2025 477th emgordon154 591 116 117ms 1 Mar 2025 478th Andrey-Plotnikov 588 85 10ms 23 Jun 2025 479th jacekwladzinski 588 90 10ms 4 Oct 2025 479th codewrite 🇬🇧 588 90 14ms 9 hours ago First Prev 401–480 of 1,063 Next Last