The Number

28405

Twenty-Eight Thousand Four Hundred and Five

In Base 15 Quindecimal Is

863a15

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

For more familiar numbers: See Twenty-Eight Thousand Four Hundred and Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

28402
863715
Twenty-Eight Thousand Four Hundred and Two in Base 15 Quindecimal
28403
863815
Twenty-Eight Thousand Four Hundred and Three in Base 15 Quindecimal
28404
863915
Twenty-Eight Thousand Four Hundred and Four in Base 15 Quindecimal
28406
863b15
Twenty-Eight Thousand Four Hundred and Six in Base 15 Quindecimal
28407
863c15
Twenty-Eight Thousand Four Hundred and Seven in Base 15 Quindecimal
28408
863d15
Twenty-Eight Thousand Four Hundred and 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.

2.8405e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001bb01b216a85b415

The reciprocal of 28405 in Base 15 Quindecimal.

Palindrome?

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

The number 863a15 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 four hundred and five is a composite number with 16 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 four hundred and five is a composite number with 16 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 four hundred and five has the following 4 prime factors:

5
515
Five in Base 15 Quindecimal
13
d15
Thirteen in Base 15 Quindecimal
19
1415
Nineteen 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

5151 · d151 · 14151 · 18151 = 863a15

Base Conversions

The number twenty-eight thousand four hundred and five in 35 different bases