Nearby Numbers

Positive, nonzero integers within three units

28137

Twenty-Eight Thousand One Hundred and Thirty-Seven

28138

Twenty-Eight Thousand One Hundred and Thirty-Eight

28139

Twenty-Eight Thousand One Hundred and Thirty-Nine

28141

Twenty-Eight Thousand One Hundred and Forty-One

28142

Twenty-Eight Thousand One Hundred and Forty-Two

28143

Twenty-Eight Thousand One Hundred and Forty-Three

Scientific Notation

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

2.8140e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000035536602700781806

The reciprocal of 28140.

Palindrome?

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

The number 28140 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 forty is a composite number with 48 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 forty is a composite number with 48 total factors (including 1 and itself).

Prime Factors

2

Two

3

Three

5

Five

7

Seven

67

Sixty-Seven

Prime Factorization

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

22 · 31 · 51 · 71 · 671 = 28140

Base Conversions

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