The Number

21831

Twenty-One Thousand Eight Hundred and Thirty-One

In Base 4 Quaternary Is

111110134

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

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

Nearby Numbers

Positive, nonzero integers within three units

21828
111110104
Twenty-One Thousand Eight Hundred and Twenty-Eight in Base 4 Quaternary
21829
111110114
Twenty-One Thousand Eight Hundred and Twenty-Nine in Base 4 Quaternary
21830
111110124
Twenty-One Thousand Eight Hundred and Thirty in Base 4 Quaternary
21832
111110204
Twenty-One Thousand Eight Hundred and Thirty-Two in Base 4 Quaternary
21833
111110214
Twenty-One Thousand Eight Hundred and Thirty-Three in Base 4 Quaternary
21834
111110224
Twenty-One Thousand Eight Hundred and Thirty-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.

2.1831e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000003000020010111223222101111224

The reciprocal of 21831 in Base 4 Quaternary.

Palindrome?

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

The number 111110134 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand eight hundred and thirty-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.

Twenty-one thousand eight hundred and thirty-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 twenty-one thousand eight hundred and thirty-one has the following 3 prime factors:

3
34
Three in Base 4 Quaternary
19
1034
Nineteen in Base 4 Quaternary
383
113334
Three Hundred and Eighty-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

341 · 10341 · 1133341 = 111110134

Base Conversions

The number twenty-one thousand eight hundred and thirty-one in 35 different bases