# Is there anything special about the number 31?

## Is there anything special about the number 31?

As a Mersenne prime, 31 is related to the perfect number 496, since 496 = 2(25 − 1). 31 is also the 4th lucky prime and the 11th supersingular prime. 31 is a centered triangular number, the first prime centered pentagonal number and a centered decagonal number. 31 is the eighth happy number.

Did you know January facts?

January was named for the Roman god Janus, known as the protector of gates and doorways who symbolize beginnings and endings. Janus is depicted with two faces, one looking into the past, the other with the ability to see into the future.

What are 10 interesting facts about California?

Fast Facts

• Nickname: The Golden State.
• Statehood: 1850; 31st state.
• Population (as of July 2015): 39,144,818.
• Capital: Sacramento.
• Biggest City: Los Angeles.
• Abbreviation: CA.
• State bird: California valley quail.
• State flower: California poppy.

### What is the spelling of 31?

Thirty One
31 in words is written as Thirty One.

What are 3 fun facts about California?

• California is home to the “Avocado Capital of the World.” Every year, Fallbrook holds an avocado festival to celebrate.
• The Hollywood Bowl is the largest outdoor amphitheater in the United States.
• In 1964, San Francisco’s cable cars were named the first moving National Historic Landmark.

What does mid January mean?

Noun. mid-January (uncountable) Any time in the middle of January.

## Why 1 is a special number?

The number one is far more special than a prime! It is the only multiplicative identity (1·a = a·1 = a for all numbers a). It is the only perfect nth power for all positive integers n. It is the only positive integer with exactly one positive divisor.

What are some interesting facts you haven’t heard before?

Next, there are the facts that perhaps you hadn’t heard before or maybe can’t recall off the top of your head; they aren’t surprising, but they’ll make you a whiz at answering trivia questions. For instance, Makalu is the world’s fifth-tallest mountain and is located 14 miles west of Everest.

Did you know these weird and unusual facts about England?

Here’s a stack of funny facts to get you laughing – from the downright strange to the outright unbelievable! 1. A primate once ran an English town. Hartlepool, UK, once elected a football mascot – a monkey – as its mayor. He beat Labour’s Peter Mandelson to the job!

### How many world records has Ashrita Furman set?

Ashrita Furman has set more world records than any other person at the time of writing. He’s thought to hold around 200, and has set 600 in his lifetime. Of those records, he’s held the title for travelling the further on a bike with a bottle of milk on his head. 49. Donkeys can’t sink. Donkeys, apparently, won’t sink in quicksand.