How can numbers be expressed, ordered or compared?

Numbers can be expressed, ordered and compared by a lot of mathematical principles, properties, models and paradigms. There are different properties of numbers to associate, group and distribute numbers. For example commutative property of addition, 1 + 2 = 3 can be 3 = 1 + 2. Moreover, numbers can be expressed by mathematical form, thus 100 wherein 1 is in the place order of hundreds. And so on ... other examples can be mathematical symbols or inequality to compare numbers. For example, 1 > 2. One is less than 2.