The Number

638

Six Hundred and Thirty-Eight

In Base 12 Duodecimal Is

45212

The numbers with a 12 subscript use Base 12 Duodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

635
44b12
Six Hundred and Thirty-Five in Base 12 Duodecimal
636
45012
Six Hundred and Thirty-Six in Base 12 Duodecimal
637
45112
Six Hundred and Thirty-Seven in Base 12 Duodecimal
639
45312
Six Hundred and Thirty-Nine in Base 12 Duodecimal
640
45412
Six Hundred and Forty in Base 12 Duodecimal
641
45512
Six Hundred and Forty-One in Base 12 Duodecimal

Scientific Notation

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

6.38e2

Reciprocal

A number multiplied with its reciprocal is one.

0.0028602860286028612

The reciprocal of 638 in Base 12 Duodecimal.

Palindrome?

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

The number 45212 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-eight is a composite number with 8 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

Six hundred and thirty-eight is a composite number with 8 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-eight has the following 3 prime factors:

2
212
Two in Base 12 Duodecimal
11
b12
Eleven in Base 12 Duodecimal
29
2512
Twenty-Nine in Base 12 Duodecimal

Prime Factorization

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

2121 · b121 · 25121 = 45212

Base Conversions

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