The Number

28161

Twenty-Eight Thousand One Hundred and Sixty-One

In Base 20 Vigesimal Is

3a8120

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

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

Nearby Numbers

Positive, nonzero integers within three units

28158
3a7i20
Twenty-Eight Thousand One Hundred and Fifty-Eight in Base 20 Vigesimal
28159
3a7j20
Twenty-Eight Thousand One Hundred and Fifty-Nine in Base 20 Vigesimal
28160
3a8020
Twenty-Eight Thousand One Hundred and Sixty in Base 20 Vigesimal
28162
3a8220
Twenty-Eight Thousand One Hundred and Sixty-Two in Base 20 Vigesimal
28163
3a8320
Twenty-Eight Thousand One Hundred and Sixty-Three in Base 20 Vigesimal
28164
3a8420
Twenty-Eight Thousand One Hundred and Sixty-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.

2.8161e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0005dccicah8e3dc20

The reciprocal of 28161 in Base 20 Vigesimal.

Palindrome?

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

The number 3a8120 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 one hundred and sixty-one 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 one hundred and sixty-one 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 one hundred and sixty-one has the following 3 prime factors:

3
320
Three in Base 20 Vigesimal
7
720
Seven in Base 20 Vigesimal
149
7920
One Hundred and Forty-Nine in Base 20 Vigesimal

Prime Factorization

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

3203 · 7201 · 79201 = 3a8120

Base Conversions

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