The Number

20985

Twenty Thousand Nine Hundred and Eighty-Five

In Base 15 Quindecimal Is

634015

The numbers with a 15 subscript use Base 15 Quindecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

20982
633c15
Twenty Thousand Nine Hundred and Eighty-Two in Base 15 Quindecimal
20983
633d15
Twenty Thousand Nine Hundred and Eighty-Three in Base 15 Quindecimal
20984
633e15
Twenty Thousand Nine Hundred and Eighty-Four in Base 15 Quindecimal
20986
634115
Twenty Thousand Nine Hundred and Eighty-Six in Base 15 Quindecimal
20987
634215
Twenty Thousand Nine Hundred and Eighty-Seven in Base 15 Quindecimal
20988
634315
Twenty Thousand Nine Hundred and Eighty-Eight in Base 15 Quindecimal

Scientific Notation

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

2.0985e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000262be9a5c9ba2215

The reciprocal of 20985 in Base 15 Quindecimal.

Palindrome?

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

The number 634015 is not a palindrome.

Not A Prime Number

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

Twenty thousand nine hundred and eighty-five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Twenty thousand nine hundred and eighty-five is a composite number with 8 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 thousand nine hundred and eighty-five has the following 3 prime factors:

3
315
Three in Base 15 Quindecimal
5
515
Five in Base 15 Quindecimal
1399
63415
One Thousand Three Hundred and Ninety-Nine in Base 15 Quindecimal

Prime Factorization

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

3151 · 5151 · 634151 = 634015

Base Conversions

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