The Number

1639

One Thousand Six Hundred and Thirty-Nine

Nearby Numbers

Positive, nonzero integers within three units

1636
One Thousand Six Hundred and Thirty-Six
1637
One Thousand Six Hundred and Thirty-Seven
1638
One Thousand Six Hundred and Thirty-Eight
1640
One Thousand Six Hundred and Forty
1641
One Thousand Six Hundred and Forty-One
1642
One Thousand Six Hundred and Forty-Two

Scientific Notation

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

1.639e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0006101281269066504

The reciprocal of 1639.

Palindrome?

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

The number 1639 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 six hundred and thirty-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.

One thousand six hundred and thirty-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 one thousand six hundred and thirty-nine has the following 2 prime factors:

11
Eleven
149
One Hundred and Forty-Nine

Prime Factorization

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

111 · 1491 = 1639

Base Conversions

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