The Number

639

Six Hundred and Thirty-Nine

In Base 11 Undecimal Is

53111

The numbers with a 11 subscript use Base 11 Undecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

636
52911
Six Hundred and Thirty-Six in Base 11 Undecimal
637
52a11
Six Hundred and Thirty-Seven in Base 11 Undecimal
638
53011
Six Hundred and Thirty-Eight in Base 11 Undecimal
640
53211
Six Hundred and Forty in Base 11 Undecimal
641
53311
Six Hundred and Forty-One in Base 11 Undecimal
642
53411
Six Hundred and Forty-Two in Base 11 Undecimal

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.

0.0020a0439a9119704911

The reciprocal of 639 in Base 11 Undecimal.

Palindrome?

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

The number 53111 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 11 Undecimal

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
311
Three in Base 11 Undecimal
71
6511
Seventy-One in Base 11 Undecimal

Prime Factorization

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

3112 · 65111 = 53111

Base Conversions

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