The Number

87

Eighty-Seven

In Base 15 Quindecimal Is

5c15

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

For more familiar numbers: See Eighty-Seven in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

84
5915
Eighty-Four in Base 15 Quindecimal
85
5a15
Eighty-Five in Base 15 Quindecimal
86
5b15
Eighty-Six in Base 15 Quindecimal
88
5d15
Eighty-Eight in Base 15 Quindecimal
89
5e15
Eighty-Nine in Base 15 Quindecimal
90
6015
Ninety in Base 15 Quindecimal

Scientific Notation

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

8.7e1

Reciprocal

A number multiplied with its reciprocal is one.

0.028bd6acde7394a15

The reciprocal of 87 in Base 15 Quindecimal.

Palindrome?

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

The number 5c15 is not a palindrome.

Not A Prime Number

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

Eighty-seven is a composite number with 4 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Eighty-seven 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 eighty-seven has the following 2 prime factors:

3
315
Three in Base 15 Quindecimal
29
1e15
Twenty-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 · 1e151 = 5c15

Base Conversions

The number eighty-seven in 35 different bases