Check if Euler Totient Function is same for a given number and twice of that number | Function to check if phi ( n ) is equals phi ( 2 * n ) ; Return if N is odd ; Driver Code ; Function Call
function sameEulerTotient ( N ) { return ( N & 1 ) ; } var N = 13 ; if ( sameEulerTotient ( N ) ) document . write ( " " ) ; else document . write ( " " ) ;