The Number

28161

Twenty-Eight Thousand One Hundred and Sixty-One

Nearby Numbers

Positive, nonzero integers within three units

28158
Twenty-Eight Thousand One Hundred and Fifty-Eight
28159
Twenty-Eight Thousand One Hundred and Fifty-Nine
28160
Twenty-Eight Thousand One Hundred and Sixty
28162
Twenty-Eight Thousand One Hundred and Sixty-Two
28163
Twenty-Eight Thousand One Hundred and Sixty-Three
28164
Twenty-Eight Thousand One Hundred and Sixty-Four

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.

0.000035510102624196586

The reciprocal of 28161.

Palindrome?

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

The number 28161 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 10 Decimal

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
Three
7
Seven
149
One Hundred and Forty-Nine

Prime Factorization

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

33 · 71 · 1491 = 28161

Base Conversions

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