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 Dragon Curve 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 Dragon Curve 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 800th pardouin 🇫🇷 732 86 123ms 24 Aug 2024 802nd SirBogman 🇺🇸 731 45 226ms 7 Jan 2024 803rd emplv 🇱🇻 731 93 25ms 29 Jun 2022 804th treeowl 730 79 135ms 27 Feb 2019 804th user189032 730 79 136ms 29 May 2019 804th cbrt-x 730 79 137ms 15 Sep 2023 807th albanian-laundromat 🇺🇸 730 84 108ms 22 Dec 2025 808th Irratix 🇳🇱 727 41 2ms 1 Nov 2020 808th primo-ppcg 🇹🇭 727 41 1ms 2 Nov 2020 808th GrayJoKing 🇦🇺 727 41 1ms 27 Nov 2020 808th KatieLG 🇬🇧 727 41 2ms 9 Dec 2020 808th msbranicky 727 41 1ms 27 Jul 2023 808th dokutan 727 41 2ms 11 Nov 2023 808th AlephSquirrel 727 41 2ms 27 Jan 2025 815th NewDefectus 🇮🇱 727 68 10ms 16 Dec 2021 815th KrausRaus 🇺🇸 727 68 12ms 6 Jan 2026 817th ovs-code 🇩🇪 727 95 27ms 10 Jan 2023 818th msbranicky 726 60 397ms 17 Jan 2024 818th JunkIce 726 60 466ms 23 Feb 2025 820th ZakkkkAttackkkk 🇵🇭 725 65 33ms 21 Dec 2021 820th bob-th 725 65 55ms 5 Aug 2022 820th btjones0 725 65 57ms 22 Nov 2022 820th falsidge 725 65 9ms 21 Jun 2023 820th madex 🇩🇪 725 65 9ms 14 days ago 825th dokutan 725 75 110ms 23 Jul 2025 826th edsrzf 🇳🇿 724 54 1,057ms 8 Sep 2025 826th albanian-laundromat 🇺🇸 724 54 970ms 12 Mar 2026 828th lynn 724 87 129ms 7 Jul 2024 828th emgordon154 724 87 126ms 18 Feb 2025 828th edsrzf 🇳🇿 724 87 128ms 4 Mar 2025 828th DialFrost 🇸🇬 724 87 126ms 4 Apr 2025 828th acotis 724 87 129ms 15 Apr 2025 828th ovs-code 🇩🇪 724 87 127ms 20 Apr 2025 828th sean-niemann 🇺🇸 724 87 128ms 6 Jun 2025 835th duckyluuk 🇳🇱 723 73 5ms 16 Dec 2024 836th phdphil 722 43 159ms 9 Apr 2018 837th RussellEmerine 721 80 138ms 30 Nov 2019 837th iczelia 🇩🇪 721 80 158ms 20 Oct 2025 839th retrohun 720 69 7ms 3 Nov 2024 840th yzhs 🇩🇪 719 38 35ms 21 Jun 2022 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 GrayJoKing 🇦🇺 717 53 1,365ms 13 Sep 2021 844th primo-ppcg 🇹🇭 717 53 1,506ms 22 Sep 2021 846th duckyluuk 🇳🇱 717 60 2,265ms 26 Oct 2024 847th ovs-code 🇩🇪 717 98 6ms 17 Mar 2023 848th jakzo 716 69 14ms 5 Sep 2021 848th Shanethegamer 🇺🇸 716 69 11ms 25 Apr 2023 850th Natanaelel 🇸🇪 715 32 44ms 22 Jul 2022 850th SirBogman 🇺🇸 715 32 44ms 10 Sep 2022 852nd DialFrost 🇸🇬 715 76 118ms 26 Dec 2024 852nd snoozingnewt 🇨🇦 715 76 116ms 29 Nov 2025 854th jared-hughes 715 88 124ms 10 Nov 2022 854th kgodara 715 88 131ms 11 Mar 2023 854th snoozingnewt 🇨🇦 715 88 122ms 29 Nov 2025 854th vang1ong7ang 715 88 129ms 17 days ago 858th Yax42 🇫🇷 715 92 484ms 12 Nov 2025 859th namelessiw 714 61 493ms 5 Mar 2024 859th lifthrasiir 🇰🇷 714 61 518ms 2 Dec 2024 859th DialFrost 🇸🇬 714 61 470ms 26 Dec 2024 862nd Attero 🇸🇪 714 66 53ms 25 Sep 2020 862nd nstearns96 🇬🇧 714 66 20ms 15 Dec 2022 864th emgordon154 714 87 473ms 8 Feb 2026 865th Laar 712 81 137ms 1 Apr 2019 865th alomiF 712 81 136ms 5 Oct 2023 865th brimstonetrader 712 81 115ms 26 Jan 2024 868th Alex-x90 🇺🇸 712 97 64ms 4 Dec 2022 868th Herbert00709 🇵🇱 712 97 59ms 8 Jun 2024 870th jusaka 712 182 1,199ms 16 days ago 871st KenanSi 710 31 3ms 24 Feb 2022 871st ashtraypettingzoo 🇺🇸 710 31 3ms 5 Apr 2023 873rd GrayJoKing 🇦🇺 706 70 12ms 20 Sep 2021 873rd 0x24a537r9 706 70 14ms 10 Sep 2022 873rd TRexOnGit 706 70 10ms 2 May 2025 873rd Protothor 706 70 10ms 9 Jul 2025 877th sean-niemann 🇺🇸 705 61 2,278ms 30 Oct 2024 877th jkelly467 705 61 2,237ms 3 Nov 2025 879th GrayJoKing 🇦🇺 705 72 1ms 9 Apr 2022 880th msbranicky 705 185 10ms 29 Aug 2023 First Prev 801–880 of 3,312 Next Last