The Number

1989

One Thousand Nine Hundred and Eighty-Nine

In Base 9 Nonary Is

26509

The numbers with a 9 subscript use Base 9 Nonary 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
26469
One Thousand Nine Hundred and Eighty-Six in Base 9 Nonary
1987
26479
One Thousand Nine Hundred and Eighty-Seven in Base 9 Nonary
1988
26489
One Thousand Nine Hundred and Eighty-Eight in Base 9 Nonary
1990
26519
One Thousand Nine Hundred and Ninety in Base 9 Nonary
1991
26529
One Thousand Nine Hundred and Ninety-One in Base 9 Nonary
1992
26539
One Thousand Nine Hundred and Ninety-Two in Base 9 Nonary

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.

0.000326163478747221369

The reciprocal of 1989 in Base 9 Nonary.

Palindrome?

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

The number 26509 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 9 Nonary

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
39
Three in Base 9 Nonary
13
149
Thirteen in Base 9 Nonary
17
189
Seventeen in Base 9 Nonary

Prime Factorization

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

392 · 1491 · 1891 = 26509

Base Conversions

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