The Number

71985

Seventy-One Thousand Nine Hundred and Eighty-Five

In Base 15 Quindecimal Is

164e015

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

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

Nearby Numbers

Positive, nonzero integers within three units

71982
164dc15
Seventy-One Thousand Nine Hundred and Eighty-Two in Base 15 Quindecimal
71983
164dd15
Seventy-One Thousand Nine Hundred and Eighty-Three in Base 15 Quindecimal
71984
164de15
Seventy-One Thousand Nine Hundred and Eighty-Four in Base 15 Quindecimal
71986
164e115
Seventy-One Thousand Nine Hundred and Eighty-Six in Base 15 Quindecimal
71987
164e215
Seventy-One Thousand Nine Hundred and Eighty-Seven in Base 15 Quindecimal
71988
164e315
Seventy-One 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.

7.1985e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a8381c1756d93a15

The reciprocal of 71985 in Base 15 Quindecimal.

Palindrome?

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

The number 164e015 is not a palindrome.

Not A Prime Number

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

Seventy-one 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.

Seventy-one 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 seventy-one 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
4799
164e15
Four Thousand Seven 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 · 164e151 = 164e015

Base Conversions

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