The Number

20981

Twenty Thousand Nine Hundred and Eighty-One

In Base 30 Trigesimal Is

n9b30

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

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

Nearby Numbers

Positive, nonzero integers within three units

20978
n9830
Twenty Thousand Nine Hundred and Seventy-Eight in Base 30 Trigesimal
20979
n9930
Twenty Thousand Nine Hundred and Seventy-Nine in Base 30 Trigesimal
20980
n9a30
Twenty Thousand Nine Hundred and Eighty in Base 30 Trigesimal
20982
n9c30
Twenty Thousand Nine Hundred and Eighty-Two in Base 30 Trigesimal
20983
n9d30
Twenty Thousand Nine Hundred and Eighty-Three in Base 30 Trigesimal
20984
n9e30
Twenty Thousand Nine Hundred and Eighty-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.

2.0981e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0018i5lk2jalmq30

The reciprocal of 20981 in Base 30 Trigesimal.

Palindrome?

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

The number n9b30 is not a palindrome.

A Prime Number

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

Twenty thousand nine hundred and eighty-one is the 2359th prime number.   See primes in Base 30 Trigesimal

Not A Composite

Composites have more than just these two factors.

Twenty Thousand Nine Hundred and Eighty-One is not a composite number because it has exactly two factors: One and Twenty Thousand Nine Hundred and Eighty-One

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number twenty thousand nine hundred and eighty-one has the following 1 prime factor:

20981
n9b30
Twenty Thousand Nine Hundred and Eighty-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

n9b301 = n9b30

Base Conversions

The number twenty thousand nine hundred and eighty-one in 35 different bases