The Number

3861

Three Thousand Eight Hundred and Sixty-One

In Base 21 Unovigesimal Is

8fi21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

3858
8ff21
Three Thousand Eight Hundred and Fifty-Eight in Base 21 Unovigesimal
3859
8fg21
Three Thousand Eight Hundred and Fifty-Nine in Base 21 Unovigesimal
3860
8fh21
Three Thousand Eight Hundred and Sixty in Base 21 Unovigesimal
3862
8fj21
Three Thousand Eight Hundred and Sixty-Two in Base 21 Unovigesimal
3863
8fk21
Three Thousand Eight Hundred and Sixty-Three in Base 21 Unovigesimal
3864
8g021
Three Thousand Eight Hundred and Sixty-Four in Base 21 Unovigesimal

Scientific Notation

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

3.861e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00287g987g987ga21

The reciprocal of 3861 in Base 21 Unovigesimal.

Palindrome?

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

The number 8fi21 is not a palindrome.

Not A Prime Number

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

Three thousand eight hundred and sixty-one is a composite number with 16 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Three thousand eight hundred and sixty-one is a composite number with 16 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 three thousand eight hundred and sixty-one has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal

Prime Factorization

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

3213 · b211 · d211 = 8fi21

Base Conversions

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