The Number

489

Four Hundred and Eighty-Nine

Nearby Numbers

Positive, nonzero integers within three units

486
Four Hundred and Eighty-Six
487
Four Hundred and Eighty-Seven
488
Four Hundred and Eighty-Eight
490
Four Hundred and Ninety
491
Four Hundred and Ninety-One
492
Four Hundred and Ninety-Two

Scientific Notation

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

4.89e2

Reciprocal

A number multiplied with its reciprocal is one.

0.002044989775051125

The reciprocal of 489.

Palindrome?

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

The number 489 is not a palindrome.

Not A Prime Number

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

Four hundred and eighty-nine is a composite number with 4 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Four hundred and eighty-nine is a composite number with 4 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 four hundred and eighty-nine has the following 2 prime factors:

3
Three
163
One Hundred and Sixty-Three

Prime Factorization

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

31 · 1631 = 489

Base Conversions

The number four hundred and eighty-nine in 35 different bases