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Happy 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 451st nwellnhof 🇩🇪 915 78 2ms 7 Jan 2021 451st Alex-x90 🇺🇸 915 78 2ms 27 Jan 2023 451st inventshah 915 78 2ms 27 Jan 2023 451st Steffan153 🇫🇮 915 78 2ms 28 Jan 2023 451st sean-niemann 🇺🇸 915 78 2ms 7 Mar 2025 456th sisyphus-ppcg 🇦🇺 915 91 1ms 18 May 2022 456th ovs-code 🇩🇪 915 91 1ms 20 May 2022 456th inventshah 915 91 1ms 4 Jun 2022 456th nwellnhof 🇩🇪 915 91 2ms 8 Jul 2022 456th saito-ta 🇯🇵 915 91 2ms 3 Oct 2022 456th retrohun 915 91 1ms 30 Apr 2023 456th btnlq 915 91 2ms 17 May 2023 456th kritixilithos 915 91 1ms 22 May 2024 464th edsrzf 🇳🇿 911 61 628ms 15 Sep 2025 464th sean-niemann 🇺🇸 911 61 633ms 16 Sep 2025 464th DialFrost 🇸🇬 911 61 730ms 18 days ago 464th Yewzir 🇧🇪 911 61 646ms 14 days ago 468th MeWhenI 🇻🇦 911 62 114ms 11 Nov 2021 469th sisyphus-ppcg 🇦🇺 911 77 2ms 3 Feb 2023 470th Shanethegamer 🇺🇸 910 63 70ms 18 May 2022 470th Yewzir 🇧🇪 910 63 75ms 9 Nov 2023 470th Betuaredead 910 63 68ms 13 Nov 2023 470th albanian-laundromat 910 63 64ms 21 days ago 474th Lydxn 🇨🇦 910 74 54ms 14 Jul 2021 474th JayXon 🇺🇸 910 74 48ms 20 Aug 2021 474th stefangimmillaro 910 74 42ms 22 Apr 2023 477th sisyphus-ppcg 🇦🇺 910 91 1ms 20 Jul 2022 477th UnderKoen 🇳🇱 910 91 1ms 6 Mar 2023 477th m-tkach 🇺🇦 910 91 1ms 9 Mar 2023 477th Lydxn 🇨🇦 910 91 1ms 19 Jul 2023 481st pihart 909 66 9ms 22 Jun 2020 481st Argeento 🇵🇱 909 66 9ms 13 Nov 2020 481st ovs-code 🇩🇪 909 66 10ms 29 Jul 2024 481st Lv0Sys 🇵🇱 909 66 10ms 24 hours ago 485th dvargas46 🇺🇸 908 55 49ms 15 Nov 2022 486th Waffle3z 908 74 2ms 9 Jul 2021 487th Lydxn 🇨🇦 908 85 472ms 27 Feb 2022 487th JayXon 🇺🇸 908 85 455ms 28 Feb 2022 487th GrayJoKing 🇦🇺 908 85 438ms 13 Mar 2022 490th anter69 🇭🇺 907 55 1,011ms 10 Mar 2025 491st prplz 🇦🇺 907 75 158ms 12 Oct 2021 491st YAJUE114514 907 75 177ms 30 Jul 2025 493rd JayXon 🇺🇸 907 76 2ms 11 days ago 494th fuzzylojik-golf 🇺🇸 907 81 350ms 7 Sep 2025 495th Yax42 🇫🇷 906 92 339ms 17 days ago 496th frankgraziano 906 144 10ms 11 Aug 2025 496th primo-ppcg 🇹🇭 906 144 10ms 13 Aug 2025 496th DialFrost 🇸🇬 906 144 10ms 13 Aug 2025 499th MeWhenI 🇻🇦 905 67 4ms 16 Dec 2024 499th Yewzir 🇧🇪 905 67 5ms 20 Dec 2024 499th GrayJoKing 🇦🇺 905 67 5ms 31 Jan 2025 502nd canissimia 🇦🇶 905 194 4ms 21 Sep 2021 503rd MeWhenI 🇻🇦 904 65 5ms 12 Dec 2023 504th Steffan153 🇫🇮 904 91 28ms 28 Jan 2023 504th GrayJoKing 🇦🇺 904 91 29ms 28 Jan 2023 504th Lydxn 🇨🇦 904 91 28ms 28 Jan 2023 504th m-tkach 🇺🇦 904 91 27ms 18 Jan 2024 504th sean-niemann 🇺🇸 904 91 29ms 19 May 2025 509th janbehrens 🇩🇪 903 70 4ms 26 Nov 2023 510th emplv 🇱🇻 903 77 107ms 14 Mar 2023 511th lynn 903 79 2ms 2 Oct 2021 511th MeWhenI 🇻🇦 903 79 2ms 21 Jun 2022 511th m-tkach 🇺🇦 903 79 2ms 9 Mar 2023 511th ovs-code 🇩🇪 903 79 2ms 24 Mar 2024 511th xsot 🇸🇬 903 79 2ms 23 May 2024 511th DialFrost 🇸🇬 903 79 14ms 17 Dec 2024 517th rucin93 🇵🇱 902 64 134ms 6 Sep 2024 518th Lydxn 🇨🇦 901 91 27ms 16 Apr 2022 518th JayXon 🇺🇸 901 91 29ms 17 Apr 2022 518th m-tkach 🇺🇦 901 91 27ms 9 Mar 2023 521st juliansiebert 🇩🇪 900 55 209ms 31 Jul 2022 522nd tailorspy 900 96 51ms 22 Sep 2024 523rd thospel 896 42 140ms 25 Jun 2018 523rd Lydxn 🇨🇦 896 42 148ms 21 Feb 2023 525th DaDerpDuck 896 75 2ms 24 Jan 2021 First Prev 451–525 of 3,126 Next Last