Thirty-three is a natural number that follows thirty-two and precedes thirty-four. It is an odd number and can be expressed in Roman numerals as XXXIII. In mathematics, thirty-three is considered a composite number because it has divisors other than one and itself, specifically 3 and 11. In various cultures, the number thirty-three holds significance. For example, in Freemasonry, the number is often associated with the highest degree of the Scottish Rite. Additionally, in Christianity, it is believed that Jesus Christ was thirty-three years old at the time of his crucifixion, making the number symbolically important in religious contexts.