The Number

3985

Three Thousand Nine Hundred and Eighty-Five

In Base 21 Unovigesimal Is

90g21

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

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

Nearby Numbers

Positive, nonzero integers within three units

3982
90d21
Three Thousand Nine Hundred and Eighty-Two in Base 21 Unovigesimal
3983
90e21
Three Thousand Nine Hundred and Eighty-Three in Base 21 Unovigesimal
3984
90f21
Three Thousand Nine Hundred and Eighty-Four in Base 21 Unovigesimal
3986
90h21
Three Thousand Nine Hundred and Eighty-Six in Base 21 Unovigesimal
3987
90i21
Three Thousand Nine Hundred and Eighty-Seven in Base 21 Unovigesimal
3988
90j21
Three Thousand Nine Hundred and Eighty-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.

3.985e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0026gi5051ijjk721

The reciprocal of 3985 in Base 21 Unovigesimal.

Palindrome?

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

The number 90g21 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 nine hundred and eighty-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 nine hundred and eighty-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 nine hundred and eighty-five has the following 2 prime factors:

5
521
Five in Base 21 Unovigesimal
797
1gk21
Seven Hundred and Ninety-Seven 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 · 1gk211 = 90g21

Base Conversions

The number three thousand nine hundred and eighty-five in 35 different bases