/********** Coded by: Manan Created on: 22 March 2018 Last updated on: 02 June 2018 version: 1.1.3 update: --Added background color-- Coming Soon: --Multicolor background-- --New font-- **********/ var a=prompt("Write your number"); if(a==6){ alert("This is a perfect number") document.write("

Addition of factors

") document.write("1+2+3=6") //Made by Manan } else if(a==28){ alert("This is a perfect number"); document.write("This is a perfect number.") document.write("

Addition factors

") document.write("1+2+4+7+14=28") } else if(a==496){ alert("This is a perfect number"); document.write("

Addition factors

") document.write("1+2+4+8+16+31+62+124+248=496") } else if(a==8128){ alert("This is a perfect number"); document.write("

Addition factors

") //Made by Manan document.write("1+2+4+8+16+32+64+127+254+508+1016+2032+4064=8128") } else if(a==33550336){ alert("This is a perfect number"); document.write("

Addition factors

") document.write("1+2+4+8+16+32+64+128+256+512+1024+2048+4096+8191+16382+32764+65528+131056+262112+524224+1048448+2096896+4193792=33550336") } else if(a==8589869056){ alert("This is a perfect number"); document.write("

Addition factors

") document.write("1+2+4+8+16+32+64+128+256+512+1024+2048+8192+16384+32768+65536+131071+262142+524284+1048568+2097136+4194272+8388544+16777088+33554176+67108352+134216704+268433408+536866816+1073733632+2147467264+2294934528=8589869056") //Made by Manan } else if(a==137438691328){ alert("This is a perfect number"); alert("Sorry, digits overflow!") document.write("Digits overflow.") } else if(a==2305843008139952128){ alert("This is a perfect number"); alert("Sorry, digits overflow!") document.write("Digits overflow") } else if(a>2305843008139952128){ alert("Sorry, can't Calculate") } else{ alert("This is not a perfect number.") document.write("This is not a perfect number") //Made by Manan } function perfect(){ alert("A perfect number is a positive integer that is equal to its proper positive divisors, that is, the sum of its positive divisors excluding the number itself(also known as aliquot sum)") }

aliquot sum(Perfect number)Identifiyer v1