The Number

20640

Twenty Thousand Six Hundred and Forty

In Base 25 Pentavigesimal Is

180f25

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

For more familiar numbers: See Twenty Thousand Six Hundred and Forty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

20637
180c25
Twenty Thousand Six Hundred and Thirty-Seven in Base 25 Pentavigesimal
20638
180d25
Twenty Thousand Six Hundred and Thirty-Eight in Base 25 Pentavigesimal
20639
180e25
Twenty Thousand Six Hundred and Thirty-Nine in Base 25 Pentavigesimal
20641
180g25
Twenty Thousand Six Hundred and Forty-One in Base 25 Pentavigesimal
20642
180h25
Twenty Thousand Six Hundred and Forty-Two in Base 25 Pentavigesimal
20643
180i25
Twenty Thousand Six Hundred and Forty-Three in Base 25 Pentavigesimal

Scientific Notation

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

2.0640e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000in3co3nlh4d825

The reciprocal of 20640 in Base 25 Pentavigesimal.

Palindrome?

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

The number 180f25 is not a palindrome.

Not A Prime Number

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

Twenty thousand six hundred and forty is a composite number with 48 total factors (including 1 and itself).   See primes in Base 25 Pentavigesimal

A Composite

Composites have more than just these two factors.

Twenty thousand six hundred and forty is a composite number with 48 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 twenty thousand six hundred and forty has the following 4 prime factors:

2
225
Two in Base 25 Pentavigesimal
3
325
Three in Base 25 Pentavigesimal
5
525
Five in Base 25 Pentavigesimal
43
1i25
Forty-Three in Base 25 Pentavigesimal

Prime Factorization

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

2255 · 3251 · 5251 · 1i251 = 180f25

Base Conversions

The number twenty thousand six hundred and forty in 35 different bases