The Number

639

Six Hundred and Thirty-Nine

In Base 4 Quaternary Is

213334

The numbers with a 4 subscript use Base 4 Quaternary notation.

For more familiar numbers: See Six Hundred and Thirty-Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

636
213304
Six Hundred and Thirty-Six in Base 4 Quaternary
637
213314
Six Hundred and Thirty-Seven in Base 4 Quaternary
638
213324
Six Hundred and Thirty-Eight in Base 4 Quaternary
640
220004
Six Hundred and Forty in Base 4 Quaternary
641
220014
Six Hundred and Forty-One in Base 4 Quaternary
642
220024
Six Hundred and Forty-Two in Base 4 Quaternary

Scientific Notation

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

6.39e2

Reciprocal

A number multiplied with its reciprocal is one.

0.0000121220331230210131033232124

The reciprocal of 639 in Base 4 Quaternary.

Palindrome?

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

The number 213334 is not a palindrome.

Not A Prime Number

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

Six hundred and thirty-nine is a composite number with 6 total factors (including 1 and itself).   See primes in Base 4 Quaternary

A Composite

Composites have more than just these two factors.

Six hundred and thirty-nine is a composite number with 6 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 six hundred and thirty-nine has the following 2 prime factors:

3
34
Three in Base 4 Quaternary
71
10134
Seventy-One in Base 4 Quaternary

Prime Factorization

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

342 · 101341 = 213334

Base Conversions

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