The Number

21831

Twenty-One Thousand Eight Hundred and Thirty-One

In Base 25 Pentavigesimal Is

19n625

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

For more familiar numbers: See Twenty-One Thousand Eight Hundred and Thirty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21828
19n325
Twenty-One Thousand Eight Hundred and Twenty-Eight in Base 25 Pentavigesimal
21829
19n425
Twenty-One Thousand Eight Hundred and Twenty-Nine in Base 25 Pentavigesimal
21830
19n525
Twenty-One Thousand Eight Hundred and Thirty in Base 25 Pentavigesimal
21832
19n725
Twenty-One Thousand Eight Hundred and Thirty-Two in Base 25 Pentavigesimal
21833
19n825
Twenty-One Thousand Eight Hundred and Thirty-Three in Base 25 Pentavigesimal
21834
19n925
Twenty-One Thousand Eight Hundred and Thirty-Four in Base 25 Pentavigesimal

Scientific Notation

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

2.1831e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000hm8557odf3dd25

The reciprocal of 21831 in Base 25 Pentavigesimal.

Palindrome?

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

The number 19n625 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand eight hundred and thirty-one 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.

Twenty-one thousand eight hundred and thirty-one 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 twenty-one thousand eight hundred and thirty-one has the following 3 prime factors:

3
325
Three in Base 25 Pentavigesimal
19
j25
Nineteen in Base 25 Pentavigesimal
383
f825
Three Hundred and Eighty-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

3251 · j251 · f8251 = 19n625

Base Conversions

The number twenty-one thousand eight hundred and thirty-one in 35 different bases