The Number

21897

Twenty-One Thousand Eight Hundred and Ninety-Seven

In Base 30 Trigesimal Is

o9r30

The numbers with a 30 subscript use Base 30 Trigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21894
o9o30
Twenty-One Thousand Eight Hundred and Ninety-Four in Base 30 Trigesimal
21895
o9p30
Twenty-One Thousand Eight Hundred and Ninety-Five in Base 30 Trigesimal
21896
o9q30
Twenty-One Thousand Eight Hundred and Ninety-Six in Base 30 Trigesimal
21898
o9s30
Twenty-One Thousand Eight Hundred and Ninety-Eight in Base 30 Trigesimal
21899
o9t30
Twenty-One Thousand Eight Hundred and Ninety-Nine in Base 30 Trigesimal
21900
oa030
Twenty-One Thousand Nine Hundred in Base 30 Trigesimal

Scientific Notation

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

2.1897e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0016tm6sis5ike30

The reciprocal of 21897 in Base 30 Trigesimal.

Palindrome?

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

The number o9r30 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 ninety-seven is a composite number with 8 total factors (including 1 and itself).   See primes in Base 30 Trigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand eight hundred and ninety-seven 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 ninety-seven has the following 2 prime factors:

3
330
Three in Base 30 Trigesimal
811
r130
Eight Hundred and Eleven in Base 30 Trigesimal

Prime Factorization

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

3303 · r1301 = o9r30

Base Conversions

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