The Number

21861

Twenty-One Thousand Eight Hundred and Sixty-One

In Base 32 Duotrigesimal Is

lb532

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

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

Nearby Numbers

Positive, nonzero integers within three units

21858
lb232
Twenty-One Thousand Eight Hundred and Fifty-Eight in Base 32 Duotrigesimal
21859
lb332
Twenty-One Thousand Eight Hundred and Fifty-Nine in Base 32 Duotrigesimal
21860
lb432
Twenty-One Thousand Eight Hundred and Sixty in Base 32 Duotrigesimal
21862
lb632
Twenty-One Thousand Eight Hundred and Sixty-Two in Base 32 Duotrigesimal
21863
lb732
Twenty-One Thousand Eight Hundred and Sixty-Three in Base 32 Duotrigesimal
21864
lb832
Twenty-One Thousand Eight Hundred and Sixty-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.

2.1861e4

Reciprocal

A number multiplied with its reciprocal is one.

0.001fusoprp034g32

The reciprocal of 21861 in Base 32 Duotrigesimal.

Palindrome?

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

The number lb532 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 sixty-one is a composite number with 12 total factors (including 1 and itself).   See primes in Base 32 Duotrigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand eight hundred and sixty-one is a composite number with 12 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 sixty-one has the following 3 prime factors:

3
332
Three in Base 32 Duotrigesimal
7
732
Seven in Base 32 Duotrigesimal
347
ar32
Three Hundred and Forty-Seven in Base 32 Duotrigesimal

Prime Factorization

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

3322 · 7321 · ar321 = lb532

Base Conversions

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