The Number

21881

Twenty-One Thousand Eight Hundred and Eighty-One

In Base 32 Duotrigesimal Is

lbp32

The numbers with a 32 subscript use Base 32 Duotrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21878
lbm32
Twenty-One Thousand Eight Hundred and Seventy-Eight in Base 32 Duotrigesimal
21879
lbn32
Twenty-One Thousand Eight Hundred and Seventy-Nine in Base 32 Duotrigesimal
21880
lbo32
Twenty-One Thousand Eight Hundred and Eighty in Base 32 Duotrigesimal
21882
lbq32
Twenty-One Thousand Eight Hundred and Eighty-Two in Base 32 Duotrigesimal
21883
lbr32
Twenty-One Thousand Eight Hundred and Eighty-Three in Base 32 Duotrigesimal
21884
lbs32
Twenty-One Thousand Eight Hundred and Eighty-Four in Base 32 Duotrigesimal

Scientific Notation

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

2.1881e4

Reciprocal

A number multiplied with its reciprocal is one.

0.001ftfs5uc1mr832

The reciprocal of 21881 in Base 32 Duotrigesimal.

Palindrome?

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

The number lbp32 is not a palindrome.

A Prime Number

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

Twenty-one thousand eight hundred and eighty-one is the 2455th prime number.   See primes in Base 32 Duotrigesimal

Not A Composite

Composites have more than just these two factors.

Twenty-One Thousand Eight Hundred and Eighty-One is not a composite number because it has exactly two factors: One and Twenty-One Thousand Eight Hundred and Eighty-One

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 eighty-one has the following 1 prime factor:

21881
lbp32
Twenty-One Thousand Eight Hundred and Eighty-One in Base 32 Duotrigesimal

Prime Factorization

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

lbp321 = lbp32

Base Conversions

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