The Number

1989

One Thousand Nine Hundred and Eighty-Nine

In Base 20 Vigesimal Is

4j920

The numbers with a 20 subscript use Base 20 Vigesimal 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
4j620
One Thousand Nine Hundred and Eighty-Six in Base 20 Vigesimal
1987
4j720
One Thousand Nine Hundred and Eighty-Seven in Base 20 Vigesimal
1988
4j820
One Thousand Nine Hundred and Eighty-Eight in Base 20 Vigesimal
1990
4ja20
One Thousand Nine Hundred and Ninety in Base 20 Vigesimal
1991
4jb20
One Thousand Nine Hundred and Ninety-One in Base 20 Vigesimal
1992
4jc20
One Thousand Nine Hundred and Ninety-Two in Base 20 Vigesimal

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.

0.00408gj96gb084i20

The reciprocal of 1989 in Base 20 Vigesimal.

Palindrome?

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

The number 4j920 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 20 Vigesimal

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
320
Three in Base 20 Vigesimal
13
d20
Thirteen in Base 20 Vigesimal
17
h20
Seventeen in Base 20 Vigesimal

Prime Factorization

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

3202 · d201 · h201 = 4j920

Base Conversions

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