What Are Some Facts About the Number 25?

At first glance, the number 25 may not have much significance in daily life. In fact, there are a number of different areas in which the number plays an important role.

• The number 25 is the smallest square that can be written by adding two consecutive squares as shown by this equation: 3² + 4² = 5². This breaks down to 9 + 16 = 25.
• In United States currency, a quarter is equivalent to 25 cents.
• In jewelry, 6 carats is equal to 25 percent of gold mass.
• The silver wedding anniversary celebrates 25 years of marriage.
• In "Mario Kart Wii" and "Super Smash Mario Brothers Melee" there are a total of 25 playable characters.
• The national board game of India is "Pachisi," which is Hindi for "25."
• M25 is the name of the London Orbital motorway.
• "The 25th Hour" is a 1967 MGM movie.
• Robert Burns, a Scottish poet, was born on the 25th day of the year, January 25.
• In mathematics, 25 is the 89th and 90th number of pi.