The Number

21831

Twenty-One Thousand Eight Hundred and Thirty-One

In Base 5 Quinary Is

11443115

The numbers with a 5 subscript use Base 5 Quinary 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
11443035
Twenty-One Thousand Eight Hundred and Twenty-Eight in Base 5 Quinary
21829
11443045
Twenty-One Thousand Eight Hundred and Twenty-Nine in Base 5 Quinary
21830
11443105
Twenty-One Thousand Eight Hundred and Thirty in Base 5 Quinary
21832
11443125
Twenty-One Thousand Eight Hundred and Thirty-Two in Base 5 Quinary
21833
11443135
Twenty-One Thousand Eight Hundred and Thirty-Three in Base 5 Quinary
21834
11443145
Twenty-One Thousand Eight Hundred and Thirty-Four in Base 5 Quinary

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.

0.00000032421310101244233003235

The reciprocal of 21831 in Base 5 Quinary.

Palindrome?

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

The number 11443115 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 5 Quinary

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
35
Three in Base 5 Quinary
19
345
Nineteen in Base 5 Quinary
383
30135
Three Hundred and Eighty-Three in Base 5 Quinary

Prime Factorization

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

351 · 3451 · 301351 = 11443115

Base Conversions

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