The Number

3865

Three Thousand Eight Hundred and Sixty-Five

In Base 21 Unovigesimal Is

8g121

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

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

Nearby Numbers

Positive, nonzero integers within three units

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
3866
8g221
Three Thousand Eight Hundred and Sixty-Six in Base 21 Unovigesimal
3867
8g321
Three Thousand Eight Hundred and Sixty-Seven in Base 21 Unovigesimal
3868
8g421
Three Thousand Eight Hundred and Sixty-Eight in Base 21 Unovigesimal

Scientific Notation

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

3.865e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00286e9d1b16a9f21

The reciprocal of 3865 in Base 21 Unovigesimal.

Palindrome?

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

The number 8g121 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-five is a composite number with 4 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-five is a composite number with 4 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-five has the following 2 prime factors:

5
521
Five in Base 21 Unovigesimal
773
1fh21
Seven Hundred and Seventy-Three in Base 21 Unovigesimal

Prime Factorization

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

5211 · 1fh211 = 8g121

Base Conversions

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