The Number

17981

Seventeen Thousand Nine Hundred and Eighty-One

In Base 13 Tridecimal Is

825213

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

17978
824c13
Seventeen Thousand Nine Hundred and Seventy-Eight in Base 13 Tridecimal
17979
825013
Seventeen Thousand Nine Hundred and Seventy-Nine in Base 13 Tridecimal
17980
825113
Seventeen Thousand Nine Hundred and Eighty in Base 13 Tridecimal
17982
825313
Seventeen Thousand Nine Hundred and Eighty-Two in Base 13 Tridecimal
17983
825413
Seventeen Thousand Nine Hundred and Eighty-Three in Base 13 Tridecimal
17984
825513
Seventeen Thousand Nine Hundred and Eighty-Four in Base 13 Tridecimal

Scientific Notation

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

1.7981e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001785934c29c306413

The reciprocal of 17981 in Base 13 Tridecimal.

Palindrome?

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

The number 825213 is not a palindrome.

A Prime Number

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

Seventeen thousand nine hundred and eighty-one is the 2062nd prime number.   See primes in Base 13 Tridecimal

Not A Composite

Composites have more than just these two factors.

Seventeen Thousand Nine Hundred and Eighty-One is not a composite number because it has exactly two factors: One and Seventeen 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 seventeen thousand nine hundred and eighty-one has the following 1 prime factor:

17981
825213
Seventeen Thousand Nine Hundred and Eighty-One in Base 13 Tridecimal

Prime Factorization

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

8252131 = 825213

Base Conversions

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