The Number

1989

One Thousand Nine Hundred and Eighty-Nine

In Base 5 Quinary Is

304245

The numbers with a 5 subscript use Base 5 Quinary 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
304215
One Thousand Nine Hundred and Eighty-Six in Base 5 Quinary
1987
304225
One Thousand Nine Hundred and Eighty-Seven in Base 5 Quinary
1988
304235
One Thousand Nine Hundred and Eighty-Eight in Base 5 Quinary
1990
304305
One Thousand Nine Hundred and Ninety in Base 5 Quinary
1991
304315
One Thousand Nine Hundred and Ninety-One in Base 5 Quinary
1992
304325
One Thousand Nine Hundred and Ninety-Two in Base 5 Quinary

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.

0.0000124114402012313144230125

The reciprocal of 1989 in Base 5 Quinary.

Palindrome?

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

The number 304245 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 5 Quinary

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
35
Three in Base 5 Quinary
13
235
Thirteen in Base 5 Quinary
17
325
Seventeen in Base 5 Quinary

Prime Factorization

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

352 · 2351 · 3251 = 304245

Base Conversions

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