The Number

21871

Twenty-One Thousand Eight Hundred and Seventy-One

In Base 32 Duotrigesimal Is

lbf32

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

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

Nearby Numbers

Positive, nonzero integers within three units

21868
lbc32
Twenty-One Thousand Eight Hundred and Sixty-Eight in Base 32 Duotrigesimal
21869
lbd32
Twenty-One Thousand Eight Hundred and Sixty-Nine in Base 32 Duotrigesimal
21870
lbe32
Twenty-One Thousand Eight Hundred and Seventy in Base 32 Duotrigesimal
21872
lbg32
Twenty-One Thousand Eight Hundred and Seventy-Two in Base 32 Duotrigesimal
21873
lbh32
Twenty-One Thousand Eight Hundred and Seventy-Three in Base 32 Duotrigesimal
21874
lbi32
Twenty-One Thousand Eight Hundred and Seventy-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.

2.1871e4

Reciprocal

A number multiplied with its reciprocal is one.

0.001fu6a5cog4gg32

The reciprocal of 21871 in Base 32 Duotrigesimal.

Palindrome?

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

The number lbf32 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 seventy-one is the 2454th 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 Seventy-One is not a composite number because it has exactly two factors: One and Twenty-One Thousand Eight Hundred and Seventy-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 seventy-one has the following 1 prime factor:

21871
lbf32
Twenty-One Thousand Eight Hundred and Seventy-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

lbf321 = lbf32

Base Conversions

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