## What are the coolest numbers?

The Mathematical Ninja’s Ten Coolest Numbers”Six is the smallest semi-prime,” said the Mathematical Ninja, “and the smallest perfect number.” “I’ve heard of those,” said the student.

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1 2 3 ≃ 0.866025.

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i = − 1.

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“That’s clearly a cultural reference,” said the student, wishing he’d brought his QI klaxen.

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3003.

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2 ≃ 1.414214.

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ln.

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Graham’s number.More items…•.

## What is everyone’s favorite number?

sevenA survey launched by a British mathematics writer has found that seven is the world’s favorite number, reports The Guardian. The results of the online survey were published on Tuesday, with three, eight and and four coming second, third and fourth.

## What is beautiful number?

One day while solving a problem, he defined ‘Beautiful numbers’. A number ‘N’ is called ‘Beautiful’ if and only if, Count(N) = Sum(N) , where. Count(N) = Count of distinct prime numbers in prime factorization of ‘N’.

## What are special numbers?

Special Numbers in Java are ones whose sum of factorials of digits is equal to the number itself. It can be an N digit number. The program has to first break the number into its corresponding digits and calculate their factorials. … If the sum matches the original number then the number is called to be a Special number.

## What’s the worst number?

13The number 13 is considered an unlucky number in some countries. The end of the Mayan calendar’s 13th Baktun was superstitiously feared as a harbinger of the apocalyptic 2012 phenomenon. Fear of the number 13 has a specifically recognized phobia, triskaidekaphobia, a word coined in 1911.

## Who is the best number?

Because of these two properties, it is the sole Sheldon prime, an homage to Sheldon Cooper, the fictional theoretical physicist on the television show The Big Bang Theory who claimed that 73 is the best number. the smallest prime with a composite sum of digits, in base 5.

## Is there a 666 in pi?

Both pi and phi, π and φ, could be considered evil numbers. Evil numbers have the despicable property that if the digits following the decimal point are added one at a time, 666 will be hit exactly.

## What is the most picked number between 1 and 10?

Exploited in carnivals, the fact that given a choice of any number between 1 and 10, people will most often choose 3 or 7. Humans are lousy random-number generators and an unusually large number of them will pick 37 while a smaller, but still lopsided number of people will pick 73.

## What is the most attractive number?

SevenSeven: The World’s Favorite Number? The Cultural and Religious Significance of 7 and What It Means for Your Design. In Bellos’ favorite number survey, one number came up much more often than any other: seven. Across cultures, ages, and genders, the number seven was the clear favorite.