The Number

81995

Eighty-One Thousand Nine Hundred and Ninety-Five

In Base 15 Quindecimal Is

1946515

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

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

Nearby Numbers

Positive, nonzero integers within three units

81992
1946215
Eighty-One Thousand Nine Hundred and Ninety-Two in Base 15 Quindecimal
81993
1946315
Eighty-One Thousand Nine Hundred and Ninety-Three in Base 15 Quindecimal
81994
1946415
Eighty-One Thousand Nine Hundred and Ninety-Four in Base 15 Quindecimal
81996
1946615
Eighty-One Thousand Nine Hundred and Ninety-Six in Base 15 Quindecimal
81997
1946715
Eighty-One Thousand Nine Hundred and Ninety-Seven in Base 15 Quindecimal
81998
1946815
Eighty-One Thousand Nine Hundred and Ninety-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.

8.1995e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000093dba09e31ea2415

The reciprocal of 81995 in Base 15 Quindecimal.

Palindrome?

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

The number 1946515 is not a palindrome.

Not A Prime Number

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

Eighty-one thousand nine hundred and ninety-five is a composite number with 12 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand nine hundred and ninety-five is a composite number with 12 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 eighty-one thousand nine hundred and ninety-five has the following 3 prime factors:

5
515
Five in Base 15 Quindecimal
23
1815
Twenty-Three in Base 15 Quindecimal
31
2115
Thirty-One in Base 15 Quindecimal

Prime Factorization

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

5151 · 18152 · 21151 = 1946515

Base Conversions

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