Nearby Numbers

Positive, nonzero integers within three units

28126

Twenty-Eight Thousand One Hundred and Twenty-Six

28127

Twenty-Eight Thousand One Hundred and Twenty-Seven

28128

Twenty-Eight Thousand One Hundred and Twenty-Eight

28130

Twenty-Eight Thousand One Hundred and Thirty

28131

Twenty-Eight Thousand One Hundred and Thirty-One

28132

Twenty-Eight Thousand One Hundred and Thirty-Two

Scientific Notation

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

2.8129e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000035550499484517755

The reciprocal of 28129.

Palindrome?

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

The number 28129 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-nine 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-nine is a composite number with 4 total factors (including 1 and itself).

Prime Factors

23

Twenty-Three

1223

One Thousand Two Hundred and Twenty-Three

Prime Factorization

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

231 · 12231 = 28129

Base Conversions

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