The Number

1089

One Thousand and Eighty-Nine

In Base 8 Octal Is

21018

The numbers with a 8 subscript use Base 8 Octal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1086
20768
One Thousand and Eighty-Six in Base 8 Octal
1087
20778
One Thousand and Eighty-Seven in Base 8 Octal
1088
21008
One Thousand and Eighty-Eight in Base 8 Octal
1090
21028
One Thousand and Ninety in Base 8 Octal
1091
21038
One Thousand and Ninety-One in Base 8 Octal
1092
21048
One Thousand and Ninety-Two in Base 8 Octal

Scientific Notation

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

1.089e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0003605604643302131258

The reciprocal of 1089 in Base 8 Octal.

Palindrome?

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

The number 21018 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 and eighty-nine is a composite number with 9 total factors (including 1 and itself).   See primes in Base 8 Octal

A Composite

Composites have more than just these two factors.

One thousand and eighty-nine is a composite number with 9 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 and eighty-nine has the following 2 prime factors:

3
38
Three in Base 8 Octal
11
138
Eleven in Base 8 Octal

Prime Factorization

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

382 · 1382 = 21018

Base Conversions

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