The Number

21800

Twenty-One Thousand Eight Hundred

In Base 31 Untrigesimal Is

ml731

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21797
ml431
Twenty-One Thousand Seven Hundred and Ninety-Seven in Base 31 Untrigesimal
21798
ml531
Twenty-One Thousand Seven Hundred and Ninety-Eight in Base 31 Untrigesimal
21799
ml631
Twenty-One Thousand Seven Hundred and Ninety-Nine in Base 31 Untrigesimal
21801
ml831
Twenty-One Thousand Eight Hundred and One in Base 31 Untrigesimal
21802
ml931
Twenty-One Thousand Eight Hundred and Two in Base 31 Untrigesimal
21803
mla31
Twenty-One Thousand Eight Hundred and Three in Base 31 Untrigesimal

Scientific Notation

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

2.1800e4

Reciprocal

A number multiplied with its reciprocal is one.

0.001bb85g2j4psl31

The reciprocal of 21800 in Base 31 Untrigesimal.

Palindrome?

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

The number ml731 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 is a composite number with 24 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand eight hundred is a composite number with 24 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 has the following 3 prime factors:

2
231
Two in Base 31 Untrigesimal
5
531
Five in Base 31 Untrigesimal
109
3g31
One Hundred and Nine in Base 31 Untrigesimal

Prime Factorization

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

2313 · 5312 · 3g311 = ml731

Base Conversions

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