The Number

28001

Twenty-Eight Thousand and One

In Base 20 Vigesimal Is

3a0120

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

27998
39ji20
Twenty-Seven Thousand Nine Hundred and Ninety-Eight in Base 20 Vigesimal
27999
39jj20
Twenty-Seven Thousand Nine Hundred and Ninety-Nine in Base 20 Vigesimal
28000
3a0020
Twenty-Eight Thousand in Base 20 Vigesimal
28002
3a0220
Twenty-Eight Thousand and Two in Base 20 Vigesimal
28003
3a0320
Twenty-Eight Thousand and Three in Base 20 Vigesimal
28004
3a0420
Twenty-Eight Thousand and Four in Base 20 Vigesimal

Scientific Notation

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

2.8001e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0005e5cd14j2a0520

The reciprocal of 28001 in Base 20 Vigesimal.

Palindrome?

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

The number 3a0120 is not a palindrome.

A Prime Number

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

Twenty-eight thousand and one is the 3056th prime number.   See primes in Base 20 Vigesimal

Not A Composite

Composites have more than just these two factors.

Twenty-Eight Thousand and One is not a composite number because it has exactly two factors: One and Twenty-Eight Thousand and One

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 and one has the following 1 prime factor:

28001
3a0120
Twenty-Eight Thousand and One in Base 20 Vigesimal

Prime Factorization

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

3a01201 = 3a0120

Base Conversions

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