Happy 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 801st treeowl 730 79 135ms 27 Feb 2019 801st user189032 730 79 136ms 29 May 2019 801st cbrt-x 730 79 137ms 15 Sep 2023 804th albanian-laundromat 🇺🇸 730 84 108ms 22 Dec 2025 805th Irratix 🇳🇱 727 41 2ms 1 Nov 2020 805th primo-ppcg 🇹🇭 727 41 1ms 2 Nov 2020 805th GrayJoKing 🇦🇺 727 41 1ms 27 Nov 2020 805th KatieLG 🇬🇧 727 41 2ms 9 Dec 2020 805th msbranicky 727 41 1ms 27 Jul 2023 805th dokutan 727 41 2ms 11 Nov 2023 805th AlephSquirrel 727 41 2ms 27 Jan 2025 812th NewDefectus 🇮🇱 727 68 10ms 16 Dec 2021 812th KrausRaus 🇺🇸 727 68 10ms 6 Jan 2026 814th ovs-code 🇩🇪 727 95 27ms 10 Jan 2023 815th msbranicky 726 60 397ms 17 Jan 2024 815th JunkIce 726 60 466ms 23 Feb 2025 817th ZakkkkAttackkkk 🇵🇭 725 65 33ms 21 Dec 2021 817th bob-th 725 65 55ms 5 Aug 2022 817th btjones0 725 65 57ms 22 Nov 2022 817th falsidge 725 65 9ms 21 Jun 2023 817th madex 🇩🇪 725 65 9ms 32 hours ago 822nd dokutan 725 75 126ms 23 Jul 2025 823rd edsrzf 🇳🇿 724 54 931ms 8 Sep 2025 823rd albanian-laundromat 🇺🇸 724 54 816ms 12 Mar 2026 825th lynn 724 87 124ms 7 Jul 2024 825th emgordon154 724 87 120ms 18 Feb 2025 825th edsrzf 🇳🇿 724 87 126ms 4 Mar 2025 825th DialFrost 🇸🇬 724 87 118ms 4 Apr 2025 825th acotis 724 87 124ms 15 Apr 2025 825th ovs-code 🇩🇪 724 87 119ms 20 Apr 2025 825th sean-niemann 🇺🇸 724 87 128ms 6 Jun 2025 832nd duckyluuk 🇳🇱 723 73 4ms 16 Dec 2024 833rd phdphil 722 43 159ms 9 Apr 2018 834th RussellEmerine 721 80 138ms 30 Nov 2019 834th iczelia 🇩🇪 721 80 158ms 20 Oct 2025 836th GrayJoKing 🇦🇺 720 68 6ms 26 Feb 2026 837th retrohun 720 69 7ms 3 Nov 2024 838th yzhs 🇩🇪 719 38 35ms 21 Jun 2022 839th GrayJoKing 🇦🇺 718 53 1,296ms 13 Sep 2021 839th primo-ppcg 🇹🇭 718 53 1,295ms 22 Sep 2021 841st GrayJoKing 🇦🇺 718 72 36ms 14 Jun 2022 841st primo-ppcg 🇹🇭 718 72 36ms 21 Jun 2022 843rd MeWhenI 🇻🇦 718 89 38ms 28 Aug 2024 844th duckyluuk 🇳🇱 717 60 2,317ms 26 Oct 2024 845th ovs-code 🇩🇪 717 98 6ms 17 Mar 2023 846th jakzo 716 69 13ms 5 Sep 2021 846th Shanethegamer 🇺🇸 716 69 10ms 25 Apr 2023 848th Natanaelel 🇸🇪 715 32 43ms 22 Jul 2022 848th SirBogman 🇺🇸 715 32 44ms 10 Sep 2022 850th DialFrost 🇸🇬 715 76 117ms 26 Dec 2024 850th snoozingnewt 🇨🇦 715 76 127ms 29 Nov 2025 852nd jared-hughes 715 88 115ms 10 Nov 2022 852nd kgodara 715 88 128ms 11 Mar 2023 852nd snoozingnewt 🇨🇦 715 88 113ms 29 Nov 2025 852nd vang1ong7ang 715 88 116ms 4 days ago 856th Yax42 🇫🇷 715 92 494ms 12 Nov 2025 857th namelessiw 714 61 493ms 5 Mar 2024 857th lifthrasiir 🇰🇷 714 61 518ms 2 Dec 2024 857th DialFrost 🇸🇬 714 61 470ms 26 Dec 2024 860th Attero 🇸🇪 714 66 53ms 25 Sep 2020 860th nstearns96 🇬🇧 714 66 20ms 15 Dec 2022 862nd emgordon154 714 87 473ms 8 Feb 2026 863rd Laar 712 81 137ms 1 Apr 2019 863rd alomiF 712 81 136ms 5 Oct 2023 863rd brimstonetrader 712 81 115ms 26 Jan 2024 866th MeWhenI 🇻🇦 712 92 5ms 2 Oct 2022 867th Alex-x90 🇺🇸 712 97 59ms 4 Dec 2022 867th Herbert00709 🇵🇱 712 97 60ms 8 Jun 2024 869th jusaka 712 182 1,420ms 2 days ago 870th KenanSi 710 31 3ms 24 Feb 2022 870th ashtraypettingzoo 🇺🇸 710 31 3ms 5 Apr 2023 872nd GrayJoKing 🇦🇺 706 70 10ms 20 Sep 2021 872nd 0x24a537r9 706 70 12ms 10 Sep 2022 872nd TRexOnGit 706 70 10ms 2 May 2025 872nd Protothor 706 70 10ms 9 Jul 2025 876th sean-niemann 🇺🇸 705 61 2,257ms 30 Oct 2024 876th jkelly467 705 61 2,296ms 3 Nov 2025 878th GrayJoKing 🇦🇺 705 72 1ms 9 Apr 2022 879th msbranicky 705 185 10ms 29 Aug 2023 880th Shanethegamer 🇺🇸 704 54 1,255ms 13 Sep 2021 First Prev 801–880 of 3,284 Next Last