Numbers, such as 495,784, have six digits.  Each digit is a different place value.  

The first digit is called the hundred thousands' place.  It tells you how many sets of one hundred thousand are in the number.  The number 495,784 has four hundred thousands. 

The second digit is the ten thousands' place.  In this number there are nine ten thousands in addition to the four hundred thousands. 

The third digit is the one thousands' place which is five in this example.  Therefore there are four sets of one hundred thousand, nine sets of ten thousand, and five sets of one thousand in the number 495,784.

The fourth digit is called the hundreds' place.  It tells how many sets of one hundred are in the number.  The number 495,784 has seven hundreds in addition to the thousands. 

The next digit is the tens' place.  This number has are eight tens in addition to the four hundred thousands, nine ten thousands, five thousands and seven hundreds. 

The last or right digit is the ones' place which is four in this example.  Therefore there are four sets of one hundred thousand, nine sets of ten thousand, five sets of one thousand, seven sets of one hundred, eight sets of ten, and four ones in the number 495,784.