If we look at 1.31 as a number we notice that it does contain a whole number (1), and .31 hundredths of a whole.
When we look at the decimal places we notice that .31 isn't quite at the .50 (half) mark. Also we notice that .31 is after the .25 (quarter) mark.
So to correctly place 1.31 on a number line we'd need to find 1 - then move over to the quarter mark - move a little more to the right and you'll find where to place 1.31.
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131 is an odd number.
31937 is a composite number while 131 is a prime number
Itself and one because 131 is a prime number
131 is a prime number because its only factors are 1 and itself…your welcome
Itself and one because 131 is a prime number