Nearby Numbers

Positive, nonzero integers within three units

28720

Twenty-Eight Thousand Seven Hundred and Twenty

28721

Twenty-Eight Thousand Seven Hundred and Twenty-One

28722

Twenty-Eight Thousand Seven Hundred and Twenty-Two

28724

Twenty-Eight Thousand Seven Hundred and Twenty-Four

28725

Twenty-Eight Thousand Seven Hundred and Twenty-Five

28726

Twenty-Eight Thousand Seven Hundred and Twenty-Six

Scientific Notation

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

2.8723e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000034815304807993595

The reciprocal of 28723.

Palindrome?

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

The number 28723 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 seven hundred and twenty-three is the 3129th prime number.   See primes in Base 10 Decimal

Not A Composite

Composites have more than just these two factors.

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

Prime Factors

28723

Twenty-Eight Thousand Seven Hundred and Twenty-Three

Prime Factorization

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

287231 = 28723

Base Conversions

The number twenty-eight thousand seven hundred and twenty-three in 35 different bases