The Number

28405

Twenty-Eight Thousand Four Hundred and Five

In Base 20 Vigesimal Is

3b0520

The numbers with a 20 subscript use Base 20 Vigesimal 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
3b0220
Twenty-Eight Thousand Four Hundred and Two in Base 20 Vigesimal
28403
3b0320
Twenty-Eight Thousand Four Hundred and Three in Base 20 Vigesimal
28404
3b0420
Twenty-Eight Thousand Four Hundred and Four in Base 20 Vigesimal
28406
3b0620
Twenty-Eight Thousand Four Hundred and Six in Base 20 Vigesimal
28407
3b0720
Twenty-Eight Thousand Four Hundred and Seven in Base 20 Vigesimal
28408
3b0820
Twenty-Eight Thousand Four Hundred and Eight in Base 20 Vigesimal

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.

0.0005cd29fbjeic3g20

The reciprocal of 28405 in Base 20 Vigesimal.

Palindrome?

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

The number 3b0520 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 20 Vigesimal

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
520
Five in Base 20 Vigesimal
13
d20
Thirteen in Base 20 Vigesimal
19
j20
Nineteen in Base 20 Vigesimal
23
1320
Twenty-Three in Base 20 Vigesimal

Prime Factorization

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

5201 · d201 · j201 · 13201 = 3b0520

Base Conversions

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