The Number

81328

Eighty-One Thousand Three Hundred and Twenty-Eight

In Base 15 Quindecimal Is

1916d15

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

For more familiar numbers: See Eighty-One Thousand Three Hundred and Twenty-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

81325
1916a15
Eighty-One Thousand Three Hundred and Twenty-Five in Base 15 Quindecimal
81326
1916b15
Eighty-One Thousand Three Hundred and Twenty-Six in Base 15 Quindecimal
81327
1916c15
Eighty-One Thousand Three Hundred and Twenty-Seven in Base 15 Quindecimal
81329
1916e15
Eighty-One Thousand Three Hundred and Twenty-Nine in Base 15 Quindecimal
81330
1917015
Eighty-One Thousand Three Hundred and Thirty in Base 15 Quindecimal
81331
1917115
Eighty-One Thousand Three Hundred and Thirty-One in Base 15 Quindecimal

Scientific Notation

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

8.1328e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000950d03b72db0b815

The reciprocal of 81328 in Base 15 Quindecimal.

Palindrome?

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

The number 1916d15 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 three hundred and twenty-eight is a composite number with 40 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 three hundred and twenty-eight is a composite number with 40 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 three hundred and twenty-eight has the following 4 prime factors:

2
215
Two in Base 15 Quindecimal
13
d15
Thirteen in Base 15 Quindecimal
17
1215
Seventeen in Base 15 Quindecimal
23
1815
Twenty-Three in Base 15 Quindecimal

Prime Factorization

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

2154 · d151 · 12151 · 18151 = 1916d15

Base Conversions

The number eighty-one thousand three hundred and twenty-eight in 35 different bases