The Number

21840

Twenty-One Thousand Eight Hundred and Forty

In Base 29 Nonavigesimal Is

ps329

The numbers with a 29 subscript use Base 29 Nonavigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21837
ps029
Twenty-One Thousand Eight Hundred and Thirty-Seven in Base 29 Nonavigesimal
21838
ps129
Twenty-One Thousand Eight Hundred and Thirty-Eight in Base 29 Nonavigesimal
21839
ps229
Twenty-One Thousand Eight Hundred and Thirty-Nine in Base 29 Nonavigesimal
21841
ps429
Twenty-One Thousand Eight Hundred and Forty-One in Base 29 Nonavigesimal
21842
ps529
Twenty-One Thousand Eight Hundred and Forty-Two in Base 29 Nonavigesimal
21843
ps629
Twenty-One Thousand Eight Hundred and Forty-Three in Base 29 Nonavigesimal

Scientific Notation

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

2.1840e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0013b4eefhpj29

The reciprocal of 21840 in Base 29 Nonavigesimal.

Palindrome?

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

The number ps329 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 forty is a composite number with 80 total factors (including 1 and itself).   See primes in Base 29 Nonavigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand eight hundred and forty is a composite number with 80 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 forty has the following 5 prime factors:

2
229
Two in Base 29 Nonavigesimal
3
329
Three in Base 29 Nonavigesimal
5
529
Five in Base 29 Nonavigesimal
7
729
Seven in Base 29 Nonavigesimal
13
d29
Thirteen in Base 29 Nonavigesimal

Prime Factorization

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

2294 · 3291 · 5291 · 7291 · d291 = ps329

Base Conversions

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