The Number

6981

Six Thousand Nine Hundred and Eighty-One

In Base 15 Quindecimal Is

210615

The numbers with a 15 subscript use Base 15 Quindecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

6978
210315
Six Thousand Nine Hundred and Seventy-Eight in Base 15 Quindecimal
6979
210415
Six Thousand Nine Hundred and Seventy-Nine in Base 15 Quindecimal
6980
210515
Six Thousand Nine Hundred and Eighty in Base 15 Quindecimal
6982
210715
Six Thousand Nine Hundred and Eighty-Two in Base 15 Quindecimal
6983
210815
Six Thousand Nine Hundred and Eighty-Three in Base 15 Quindecimal
6984
210915
Six Thousand Nine Hundred and Eighty-Four in Base 15 Quindecimal

Scientific Notation

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

6.981e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00073b9da9dd868815

The reciprocal of 6981 in Base 15 Quindecimal.

Palindrome?

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

The number 210615 is not a palindrome.

Not A Prime Number

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

Six thousand nine hundred and eighty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Six thousand nine hundred and eighty-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 six thousand nine hundred and eighty-one has the following 3 prime factors:

3
315
Three in Base 15 Quindecimal
13
d15
Thirteen in Base 15 Quindecimal
179
be15
One Hundred and Seventy-Nine in Base 15 Quindecimal

Prime Factorization

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

3151 · d151 · be151 = 210615

Base Conversions

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