Niven Numbers in C# 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 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers 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 ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers 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 Chars Time Submitted 1st JayXon 🇺🇸 1,000 58 362ms 21 Nov 2021 1st Lydxn 🇨🇦 1,000 58 413ms 21 Nov 2021 1st nwellnhof 🇩🇪 1,000 58 355ms 21 Nov 2021 1st btnlq 1,000 58 393ms 10 Mar 2023 1st AdrienHache 🇫🇷 1,000 58 407ms 31 May 2023 1st stefangimmillaro 1,000 58 411ms 21 Aug 2023 1st namelessiw 1,000 58 418ms 12 Dec 2023 1st Yax42 🇫🇷 1,000 58 469ms 9 Feb 2025 9th billings7 🇬🇧 967 60 390ms 21 Nov 2021 9th ovs-code 🇩🇪 967 60 373ms 21 Nov 2021 9th primo-ppcg 🇹🇭 967 60 382ms 21 Nov 2021 9th prplz 🇦🇺 967 60 370ms 21 Nov 2021 9th ScottHamper 967 60 378ms 21 Nov 2021 9th sisyphus-ppcg 🇦🇺 967 60 393ms 21 Nov 2021 9th ssiquoya 🇷🇺 967 60 380ms 21 Nov 2021 9th GrayJoKing 🇦🇺 967 60 372ms 14 Mar 2022 9th annaproxy 967 60 353ms 15 Mar 2022 9th ericlangedijk 🇸🇮 967 60 418ms 15 Mar 2022 9th lynn 967 60 371ms 3 Jun 2022 9th MeWhenI 🇻🇦 967 60 373ms 10 Oct 2022 9th Steffan153 🇫🇮 967 60 395ms 17 Nov 2022 9th clockworknazo 967 60 388ms 26 Nov 2022 9th DialFrost 🇸🇬 967 60 378ms 14 Jan 2023 9th sean-niemann 🇺🇸 967 60 393ms 17 Jan 2023 9th tomtheisen 🇺🇸 967 60 367ms 17 Jan 2023 9th Shanethegamer 🇺🇸 967 60 394ms 8 Mar 2023 9th m-tkach 🇺🇦 967 60 387ms 2 Jun 2023 9th Yewzir 🇧🇪 967 60 386ms 23 Sep 2023 9th Betuaredead 967 60 365ms 11 Nov 2023 9th pardouin 🇫🇷 967 60 380ms 21 Aug 2024 9th voytxt 🇨🇿 967 60 396ms 12 Jan 2025 9th b-illy 🇬🇧 967 60 381ms 21 Jan 2025 9th fuzzylojik-golf 🇺🇸 967 60 458ms 15 May 2025 9th edsrzf 🇳🇿 967 60 394ms 26 Jul 2025 9th albanian-laundromat 967 60 365ms 24 Sep 2025 9th CaedenHarper 🇨🇦 967 60 374ms 17 Oct 2025 9th snoozingnewt 🇨🇦 967 60 535ms 4 Dec 2025 9th dokutan 967 60 527ms 15 days ago 39th AdrialaD 951 61 368ms 21 Nov 2021 39th aliakseikalosha 951 61 356ms 21 Nov 2021 39th Attero 🇸🇪 951 61 360ms 21 Nov 2021 39th Domicnt 951 61 380ms 21 Nov 2021 39th janbehrens 🇩🇪 951 61 376ms 21 Nov 2021 39th revlayle 🇺🇸 951 61 382ms 21 Nov 2021 39th Rhexis 951 61 371ms 21 Nov 2021 39th Irratix 🇳🇱 951 61 388ms 13 Dec 2021 39th tkr-sh 🇰🇵 951 61 379ms 12 May 2022 39th roavin 951 61 387ms 26 May 2022 39th 5quiwyrm 951 61 406ms 9 Sep 2022 39th MichalMarsalek 🇨🇿 951 61 369ms 9 Nov 2022 39th arctouch-cristiannevianna 951 61 366ms 31 Jan 2023 39th qwertyuiop3 🇷🇺 951 61 373ms 4 Jun 2025 39th codewrite 🇬🇧 951 61 481ms 11 Jan 2026 54th Meowsan91 🇨🇿 935 62 377ms 21 Nov 2021 54th ChrisTheisen 935 62 376ms 19 Dec 2022 54th postie77 935 62 366ms 21 Dec 2022 57th od86 921 63 365ms 12 Nov 2025 58th FlaggAC 906 64 389ms 21 Nov 2021 58th antarct 906 64 378ms 15 Nov 2022 60th JacobStanleyJones 892 65 392ms 21 Mar 2022 60th brimstonetrader 892 65 374ms 8 Jan 2024 62nd DaCuteRaccoon 879 66 380ms 28 Dec 2022 63rd leth4 841 69 395ms 5 Jul 2023 63rd Adix-null 🇱🇹 841 69 419ms 30 Jul 2023 63rd malworthy 841 69 413ms 25 Oct 2023 63rd Mikey-Beep 🇬🇧 841 69 451ms 23 Jul 2025 63rd michelebastione 🇮🇹 841 69 605ms 27 Aug 2025 63rd tomh1012 841 69 486ms 26 Nov 2025 63rd amazingalek 🇳🇴 841 69 523ms 20 Dec 2025 63rd mwarvik 🇳🇴 841 69 557ms 26 Dec 2025 71st muztanger 817 71 420ms 21 Nov 2021 71st premun 🇨🇿 817 71 432ms 18 Nov 2022 73rd Kloppermand 🇩🇰 773 75 384ms 16 Sep 2022 74th castur1 753 77 409ms 8 Mar 2022 74th MiranDaniel 🇨🇿 753 77 420ms 2 Sep 2023 74th josephdwalker 753 77 405ms 21 Nov 2023 74th Matgc04 753 77 379ms 24 Feb 2024 78th horvaro 690 84 418ms 20 Apr 2023 79th Re-Adventures 🇮🇳 674 86 390ms 15 Apr 2025 80th bac0id 659 88 367ms 21 Nov 2021 1–80 of 117 Next Last