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Thirty facts about the number 30


The thirty number is some like any other number, but that doesn't mean it doesn't matter!

Each number has its own merits depending on how important everyone is to them, be it your birthday or anniversary, or maybe you see it as your lucky number.

Well, whatever the reason, here are thirty facts you probably didn't know about the number 30.

In Bingo, Ball 30 is known as "dirty gertie, blind 30".

A polygon with 30 sides is a triangle.

The number 30 is known as a Harshad number, or a number divisible by the sum of its digits.

In Back to The Future, Marty McFly traveled back in time for 30 years.

The number 30, but separated by two hyphens, is used to denote the end of a newspaper story (-30-).

Seeing anything related to a number 30 in your dreams usually means that someone or something lacks truth.

In the periodic table of factors, phosphorus with atomic weight is 30,9738.

30 is the total number of primary and secondary keys in Western music.

Like the Roman numeral, the number 30 is XXX.

A 30-week-old baby in the womb has 20/400 eyesight and can only be seen right in front of them when they open their eyes, which doesn't happen very often during that time.

After Athens was defeated in 404 B.C.

There are 30 vertical stones that form the Sarsen Circle at Stonehenge.

The oldest seals can be up to 30 years old.

The cat has exactly 30 teeth.

Judas, in the Bible, betrayed Jesus in exchange for 30 silver coins.

In binary code, 30 can be written as 11110.

Thirty is an important age for everyone to belong to the Bible.

The country code for Greece is 30. If you need to make a long distance call.

The minimum age for a US Senator must be 30.

Thirty percent of the population of the Kingdom of Tonga (a sovereign state of Polynesia located in the south Pacific) speak English.

A college student named Cam Brantley-Rios has spent 30 days of his life eating only bug meals and sharing it on his blog.

Gamma Pavonis star, a star 84% larger than our sun, is 30 light years away.

When a married couple reaches 30 years of marriage, it is called their Pearl Wedding Anniversary.

On November 15, 1964, a man named Jack Weinberg coined the phrase, "Don't trust anyone over the age of 30".

There are 30 songs on the Beatles' Album The White.

One of the longest fantasy book series is called The Riftwar Cycle and spans 30 books!

The number 30 has a lot to do with how we measure time.

In tennis, the number 30 represents the second score reached in a game.

Number of atoms of zinc is 30.

November 30 is Computer Security Day.