"It has three" in English.
It means power :P :)
3x3x3x3
three hills
"Tres piedras" means "three stones" in English.
"Trois mois" means "three months" in English.
"The rule of three" means that things often occur in groups of three.
Thirty three
By 'a power' I would understand you to mean a number raised to a power, such as 43. You can then refer to this as 'four to the power of three'
"Hay tres" means "there are three" in English. It is used to indicate that there are three of something.
"Le trois" translates to "the three" in English.
Truth the justice the power