The Number

30985

Thirty Thousand Nine Hundred and Eighty-Five

In Base 21 Unovigesimal Is

375a21

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

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

Nearby Numbers

Positive, nonzero integers within three units

30982
375721
Thirty Thousand Nine Hundred and Eighty-Two in Base 21 Unovigesimal
30983
375821
Thirty Thousand Nine Hundred and Eighty-Three in Base 21 Unovigesimal
30984
375921
Thirty Thousand Nine Hundred and Eighty-Four in Base 21 Unovigesimal
30986
375b21
Thirty Thousand Nine Hundred and Eighty-Six in Base 21 Unovigesimal
30987
375c21
Thirty Thousand Nine Hundred and Eighty-Seven in Base 21 Unovigesimal
30988
375d21
Thirty 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.

3.0985e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00065gkfieec376f21

The reciprocal of 30985 in Base 21 Unovigesimal.

Palindrome?

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

The number 375a21 is not a palindrome.

Not A Prime Number

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

Thirty 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.

Thirty 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 thirty thousand nine hundred and eighty-five has the following 2 prime factors:

5
521
Five in Base 21 Unovigesimal
6197
e1221
Six Thousand One 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 · e12211 = 375a21

Base Conversions

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