The Number

15981

Fifteen Thousand Nine Hundred and Eighty-One

In Base 15 Quindecimal Is

4b0615

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

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

Nearby Numbers

Positive, nonzero integers within three units

15978
4b0315
Fifteen Thousand Nine Hundred and Seventy-Eight in Base 15 Quindecimal
15979
4b0415
Fifteen Thousand Nine Hundred and Seventy-Nine in Base 15 Quindecimal
15980
4b0515
Fifteen Thousand Nine Hundred and Eighty in Base 15 Quindecimal
15982
4b0715
Fifteen Thousand Nine Hundred and Eighty-Two in Base 15 Quindecimal
15983
4b0815
Fifteen Thousand Nine Hundred and Eighty-Three in Base 15 Quindecimal
15984
4b0915
Fifteen 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.

1.5981e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000327b61887e104515

The reciprocal of 15981 in Base 15 Quindecimal.

Palindrome?

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

The number 4b0615 is not a palindrome.

Not A Prime Number

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

Fifteen 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.

Fifteen 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 fifteen thousand nine hundred and eighty-one has the following 3 prime factors:

3
315
Three in Base 15 Quindecimal
7
715
Seven in Base 15 Quindecimal
761
35b15
Seven Hundred and Sixty-One 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 · 7151 · 35b151 = 4b0615

Base Conversions

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