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Numbers

Numbers are our way to quantify, label, and organize the world around us in a logical manner. However, the systems used to obtain this goal differ geographically, historically, and by relative utility. All questions pertaining to numbers, including historic labeling systems, bases of numerical systems, constants, and the various ways they're grouped together, should be placed into this category.

46,867 Questions

What are the prime numbers between 12 and 30?

There are exactly 5 prime numbers between 12 and 30: 13, 17, 19, 23, and 29.

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What is the biggest decimal number?

This is unanswerable because , taking 'pi' which is an irrational number, the decimals go to infinity.

Hence the biggest decimal numbers is unanswerable.

Remember pi = 3.141592......

What is 0.2 in words?

Decimal ; 0.2 is 'zero point two'.

Fraction ; 0.2 is 'two tenths(2/10)'. or more correctly ' one fifth(1/5)'.

What is 20000000000 in words?

Oh, dude, you're really making me work here. That number is like twenty billion in words. So, if you're ever in a super fancy math class and the teacher asks you to spell out that massive number, just remember, it's twenty billion. No need to thank me for this life-changing knowledge.

Could 2x4x5x9x11 be the prime factorization of a number?

No because all the numbers in a prime factorization must be prime. The number 9 is not prime. It should be 3 *3. same thing with 4, should be 2*2. So what would be a prime factorization is 2x2x2x3x3x5x11.

How many hours in a km?

Hours are units of time. Kilometers are units of distance. The two are not related, and can not be converted without knowing something else, such as speed.

Is 243 a composite number?

YES!!!

It is the product of 3^(5) = 3x3x3x3x3 = 9 x 9 x3 = 81 x 3 = 243.

Is 23 an even number?

No

Not a multiple of two

22 and 24 are

23 is an odd number

What is the roman numeral MCMLXV mean?

The answer is 1960.

If you think I am wrong Google it.

I am 10 years old.

Thank You.

Solution 1960.

Improved Answer:-

In todays modern notation of Roman numerals they represent 1965

How many is XXL in Roman Numerals?

i thing it like 130

Improved :-

It is XXL = XXX = 30

What are the numbers divisible by 3 and 4 up to 100?

The numbers divisible by both 3 and 4 up to 100 are the multiples of their least common multiple (LCM), which is 12. The multiples of 12 up to 100 are 12, 24, 36, 48, 60, 72, 84, 96. Therefore, the numbers divisible by 3 and 4 up to 100 are 12, 24, 36, 48, 60, 72, 84, and 96.

What is 50000000 in standard form?

It is already in standard form. (50,000,000)

What is the last number in the whole world?

10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

What does the roman numeral MCC mean?

MCC = 1200

Constructed as ;

M = 1000

C = 100

Hence

MCC = 1000 + 100 + 100 = 1200

Is negative two an irrational number?

Rational numbers are those that can be expressed as a ratio of two integers. So 2, which can be expressed in such a way, for example, (-2) / 1 or 2 / (-1) is a rational number.

Can fractions be rational?

All fractions are rational(ratio/quotient).

Irrational numbers are those decimal numbers that CANNOT be converted to a FRACTION/RATIO/QUOTIENT.

Is 7.9 a rational number?

YES!!! Because it can be converted to a ratio/fraction

7.9 = 7 9/10 or 79/10

NB All numbers are rational except those, where the decimal digits recur to infinity AND there is no regular order in the decimal digits

e.g.,

Rational ; 3.333333......

Irrational ; 3.141592.... ( pi)

Both numbers recur to infinity, but 'pi' there is no regular order in the decimal digits.

There are many more irrational numbers.

What is the remsinder for this number?

It seems like you may have forgotten to include the specific number or the divisor for which you want to find the remainder. Please provide the number and the divisor so I can help you find the remainder.

How do you write 20.007 in short word form?

20.007 is 'Twenty point zero zero seven'.

How do you write a thousand in short form?

'A thousand' is '1k'

The 'k' is short for 'kilo' From Classical Greek for 'thousand'.

As in kilograms or kilometres. etc.,

How do you write Beijing in short form?

Beijing' also try its former names

Peking or Pekin.

How do we write brother short form?

To truncate the word ' brother' to a short form is 'bro.' Hence the slang term for 'brother'.

NB When writing a word in shortened form it ALWAYS ends with a 'full stop/period', irrespective of its position in a sentence.

Brother ; 'Bro. '

Mister ; Mr.

Doctor ; Dr.

Street/Saint ; St.

etc.,