That is, the numbers under each criterion may be expressed in different units.

The numbers are expressed in 1992 dollars, adjusted for inflation.

This number is commonly expressed as a percentage and indicates the rate of return for that particular base.

The number can also be expressed by taking the Taylor series of a trigonometric function.

Any odd number can be expressed as difference of two squares.

Larger numbers are generally expressed as multiples of the above.

The numbers 20-99 are expressed with the units preceding the tens.

The number of females is expressed as a percent of the total population.

Those numbers, are expressed in 1990 dollars and adjusted for inflation.

In German, whole numbers (smaller than 1 million) are expressed as single words, which makes siebenhundertsiebenundsiebzigtausendsiebenhundertsiebenundsiebzig (777,777) a 65 letter word.