The Number

638

Six Hundred and Thirty-Eight

In Base 25 Pentavigesimal Is

10d25

The numbers with a 25 subscript use Base 25 Pentavigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

635
10a25
Six Hundred and Thirty-Five in Base 25 Pentavigesimal
636
10b25
Six Hundred and Thirty-Six in Base 25 Pentavigesimal
637
10c25
Six Hundred and Thirty-Seven in Base 25 Pentavigesimal
639
10e25
Six Hundred and Thirty-Nine in Base 25 Pentavigesimal
640
10f25
Six Hundred and Forty in Base 25 Pentavigesimal
641
10g25
Six Hundred and Forty-One in Base 25 Pentavigesimal

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.

0.00oc6fdmj40md25

The reciprocal of 638 in Base 25 Pentavigesimal.

Palindrome?

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

The number 10d25 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 25 Pentavigesimal

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
225
Two in Base 25 Pentavigesimal
11
b25
Eleven in Base 25 Pentavigesimal
29
1425
Twenty-Nine in Base 25 Pentavigesimal

Prime Factorization

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

2251 · b251 · 14251 = 10d25

Base Conversions

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