The Number

19981

Nineteen Thousand Nine Hundred and Eighty-One

In Base 4 Quaternary Is

103200314

The numbers with a 4 subscript use Base 4 Quaternary notation.

For more familiar numbers: See Nineteen Thousand Nine Hundred and Eighty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

19978
103200224
Nineteen Thousand Nine Hundred and Seventy-Eight in Base 4 Quaternary
19979
103200234
Nineteen Thousand Nine Hundred and Seventy-Nine in Base 4 Quaternary
19980
103200304
Nineteen Thousand Nine Hundred and Eighty in Base 4 Quaternary
19982
103200324
Nineteen Thousand Nine Hundred and Eighty-Two in Base 4 Quaternary
19983
103200334
Nineteen Thousand Nine Hundred and Eighty-Three in Base 4 Quaternary
19984
103201004
Nineteen Thousand Nine Hundred and Eighty-Four in Base 4 Quaternary

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.9981e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000003101322202101312221000111324

The reciprocal of 19981 in Base 4 Quaternary.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 103200314 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Nineteen thousand nine hundred and eighty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 4 Quaternary

A Composite

Composites have more than just these two factors.

Nineteen thousand nine hundred and eighty-one is a composite number with 8 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number nineteen thousand nine hundred and eighty-one has the following 3 prime factors:

13
314
Thirteen in Base 4 Quaternary
29
1314
Twenty-Nine in Base 4 Quaternary
53
3114
Fifty-Three in Base 4 Quaternary

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

3141 · 13141 · 31141 = 103200314

Base Conversions

The number nineteen thousand nine hundred and eighty-one in 35 different bases