The Number

28742

Twenty-Eight Thousand Seven Hundred and Forty-Two

In Base 15 Quindecimal Is

87b215

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

For more familiar numbers: See Twenty-Eight Thousand Seven Hundred and Forty-Two in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

28739
87ae15
Twenty-Eight Thousand Seven Hundred and Thirty-Nine in Base 15 Quindecimal
28740
87b015
Twenty-Eight Thousand Seven Hundred and Forty in Base 15 Quindecimal
28741
87b115
Twenty-Eight Thousand Seven Hundred and Forty-One in Base 15 Quindecimal
28743
87b315
Twenty-Eight Thousand Seven Hundred and Forty-Three in Base 15 Quindecimal
28744
87b415
Twenty-Eight Thousand Seven Hundred and Forty-Four in Base 15 Quindecimal
28745
87b515
Twenty-Eight Thousand Seven Hundred and Forty-Five in Base 15 Quindecimal

Scientific Notation

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

2.8742e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001b648c79806c0915

The reciprocal of 28742 in Base 15 Quindecimal.

Palindrome?

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

The number 87b215 is not a palindrome.

Not A Prime Number

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

Twenty-eight thousand seven hundred and forty-two 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-eight thousand seven hundred and forty-two 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-eight thousand seven hundred and forty-two has the following 3 prime factors:

2
215
Two in Base 15 Quindecimal
7
715
Seven in Base 15 Quindecimal
2053
91d15
Two Thousand and Fifty-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

2151 · 7151 · 91d151 = 87b215

Base Conversions

The number twenty-eight thousand seven hundred and forty-two in 35 different bases