The Number

21091

Twenty-One Thousand and Ninety-One

In Base 30 Trigesimal Is

nd130

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

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

Nearby Numbers

Positive, nonzero integers within three units

21088
ncs30
Twenty-One Thousand and Eighty-Eight in Base 30 Trigesimal
21089
nct30
Twenty-One Thousand and Eighty-Nine in Base 30 Trigesimal
21090
nd030
Twenty-One Thousand and Ninety in Base 30 Trigesimal
21092
nd230
Twenty-One Thousand and Ninety-Two in Base 30 Trigesimal
21093
nd330
Twenty-One Thousand and Ninety-Three in Base 30 Trigesimal
21094
nd430
Twenty-One Thousand and Ninety-Four in Base 30 Trigesimal

Scientific Notation

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

2.1091e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0018c4f5h1pi1i30

The reciprocal of 21091 in Base 30 Trigesimal.

Palindrome?

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

The number nd130 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 and ninety-one 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 and ninety-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 and ninety-one has the following 3 prime factors:

7
730
Seven in Base 30 Trigesimal
23
n30
Twenty-Three in Base 30 Trigesimal
131
4b30
One Hundred and Thirty-One in Base 30 Trigesimal

Prime Factorization

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

7301 · n301 · 4b301 = nd130

Base Conversions

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