The Number

20991

Twenty Thousand Nine Hundred and Ninety-One

In Base 4 Quaternary Is

110133334

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

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

Nearby Numbers

Positive, nonzero integers within three units

20988
110133304
Twenty Thousand Nine Hundred and Eighty-Eight in Base 4 Quaternary
20989
110133314
Twenty Thousand Nine Hundred and Eighty-Nine in Base 4 Quaternary
20990
110133324
Twenty Thousand Nine Hundred and Ninety in Base 4 Quaternary
20992
110200004
Twenty Thousand Nine Hundred and Ninety-Two in Base 4 Quaternary
20993
110200014
Twenty Thousand Nine Hundred and Ninety-Three in Base 4 Quaternary
20994
110200024
Twenty Thousand Nine Hundred and Ninety-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.

2.0991e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000301331001330103013011102214

The reciprocal of 20991 in Base 4 Quaternary.

Palindrome?

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

The number 110133334 is not a palindrome.

Not A Prime Number

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

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

A Composite

Composites have more than just these two factors.

Twenty thousand nine hundred and ninety-one is a composite number with 4 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 twenty thousand nine hundred and ninety-one has the following 2 prime factors:

3
34
Three in Base 4 Quaternary
6997
12311114
Six Thousand Nine Hundred and Ninety-Seven in Base 4 Quaternary

Prime Factorization

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

341 · 123111141 = 110133334

Base Conversions

The number twenty thousand nine hundred and ninety-one in 35 different bases