The Number

28121

Twenty-Eight Thousand One Hundred and Twenty-One

Nearby Numbers

Positive, nonzero integers within three units

28118
Twenty-Eight Thousand One Hundred and Eightteen
28119
Twenty-Eight Thousand One Hundred and Nineteen
28120
Twenty-Eight Thousand One Hundred and Twenty
28122
Twenty-Eight Thousand One Hundred and Twenty-Two
28123
Twenty-Eight Thousand One Hundred and Twenty-Three
28124
Twenty-Eight Thousand One Hundred and Twenty-Four

Scientific Notation

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

2.8121e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00003556061306496924

The reciprocal of 28121.

Palindrome?

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

The number 28121 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 twenty-one is a composite number with 4 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 twenty-one is a composite number with 4 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 twenty-one has the following 2 prime factors:

61
Sixty-One
461
Four Hundred and Sixty-One

Prime Factorization

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

611 · 4611 = 28121

Base Conversions

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