The Number

87981

Eighty-Seven Thousand Nine Hundred and Eighty-One

In Base 15 Quindecimal Is

1b10615

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

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

Nearby Numbers

Positive, nonzero integers within three units

87978
1b10315
Eighty-Seven Thousand Nine Hundred and Seventy-Eight in Base 15 Quindecimal
87979
1b10415
Eighty-Seven Thousand Nine Hundred and Seventy-Nine in Base 15 Quindecimal
87980
1b10515
Eighty-Seven Thousand Nine Hundred and Eighty in Base 15 Quindecimal
87982
1b10715
Eighty-Seven Thousand Nine Hundred and Eighty-Two in Base 15 Quindecimal
87983
1b10815
Eighty-Seven Thousand Nine Hundred and Eighty-Three in Base 15 Quindecimal
87984
1b10915
Eighty-Seven 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.

8.7981e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000089700a7146ca9115

The reciprocal of 87981 in Base 15 Quindecimal.

Palindrome?

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

The number 1b10615 is not a palindrome.

Not A Prime Number

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

Eighty-seven thousand nine hundred and eighty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Eighty-seven thousand nine hundred and eighty-one is a composite number with 4 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 eighty-seven thousand nine hundred and eighty-one has the following 2 prime factors:

3
315
Three in Base 15 Quindecimal
29327
8a5215
Twenty-Nine Thousand Three Hundred and Twenty-Seven 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 · 8a52151 = 1b10615

Base Conversions

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