The Number

15981

Fifteen Thousand Nine Hundred and Eighty-One

In Base 13 Tridecimal Is

737413

The numbers with a 13 subscript use Base 13 Tridecimal 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
737113
Fifteen Thousand Nine Hundred and Seventy-Eight in Base 13 Tridecimal
15979
737213
Fifteen Thousand Nine Hundred and Seventy-Nine in Base 13 Tridecimal
15980
737313
Fifteen Thousand Nine Hundred and Eighty in Base 13 Tridecimal
15982
737513
Fifteen Thousand Nine Hundred and Eighty-Two in Base 13 Tridecimal
15983
737613
Fifteen Thousand Nine Hundred and Eighty-Three in Base 13 Tridecimal
15984
737713
Fifteen 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.

1.5981e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001a305a278951ca13

The reciprocal of 15981 in Base 13 Tridecimal.

Palindrome?

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

The number 737413 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 13 Tridecimal

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
313
Three in Base 13 Tridecimal
7
713
Seven in Base 13 Tridecimal
761
46713
Seven Hundred and Sixty-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

3131 · 7131 · 467131 = 737413

Base Conversions

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