Nearby Numbers

Positive, nonzero integers within three units

28120

Twenty-Eight Thousand One Hundred and Twenty

28121

Twenty-Eight Thousand One Hundred and Twenty-One

28122

Twenty-Eight Thousand One Hundred and Twenty-Two

28124

Twenty-Eight Thousand One Hundred and Twenty-Four

28125

Twenty-Eight Thousand One Hundred and Twenty-Five

28126

Twenty-Eight Thousand One Hundred and Twenty-Six

Scientific Notation

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

2.8123e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00003555808413042705

The reciprocal of 28123.

Palindrome?

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

The number 28123 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 one hundred and twenty-three is the 3069th prime number.   See primes in Base 10 Decimal

Not A Composite

Composites have more than just these two factors.

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

Prime Factors

28123

Twenty-Eight Thousand One Hundred and Twenty-Three

Prime Factorization

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

281231 = 28123

Base Conversions

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