The Number

1989

One Thousand Nine Hundred and Eighty-Nine

In Base 15 Quindecimal Is

8c915

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

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

Nearby Numbers

Positive, nonzero integers within three units

1986
8c615
One Thousand Nine Hundred and Eighty-Six in Base 15 Quindecimal
1987
8c715
One Thousand Nine Hundred and Eighty-Seven in Base 15 Quindecimal
1988
8c815
One Thousand Nine Hundred and Eighty-Eight in Base 15 Quindecimal
1990
8ca15
One Thousand Nine Hundred and Ninety in Base 15 Quindecimal
1991
8cb15
One Thousand Nine Hundred and Ninety-One in Base 15 Quindecimal
1992
8cc15
One Thousand Nine Hundred and Ninety-Two in Base 15 Quindecimal

Scientific Notation

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

1.989e3

Reciprocal

A number multiplied with its reciprocal is one.

0.001a6bc238e5c85315

The reciprocal of 1989 in Base 15 Quindecimal.

Palindrome?

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

The number 8c915 is not a palindrome.

Not A Prime Number

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

One thousand nine hundred and eighty-nine is a composite number with 12 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

One thousand nine hundred and eighty-nine is a composite number with 12 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 one thousand nine hundred and eighty-nine has the following 3 prime factors:

3
315
Three in Base 15 Quindecimal
13
d15
Thirteen in Base 15 Quindecimal
17
1215
Seventeen in Base 15 Quindecimal

Prime Factorization

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

3152 · d151 · 12151 = 8c915

Base Conversions

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