The Number

2128

Two Thousand One Hundred and Twenty-Eight

Nearby Numbers

Positive, nonzero integers within three units

2125
Two Thousand One Hundred and Twenty-Five
2126
Two Thousand One Hundred and Twenty-Six
2127
Two Thousand One Hundred and Twenty-Seven
2129
Two Thousand One Hundred and Twenty-Nine
2130
Two Thousand One Hundred and Thirty
2131
Two Thousand One Hundred and Thirty-One

Scientific Notation

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

2.128e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00046992481203007516

The reciprocal of 2128.

Palindrome?

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

The number 2128 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Two thousand one hundred and twenty-eight is a composite number with 20 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Two thousand one hundred and twenty-eight is a composite number with 20 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 two thousand one hundred and twenty-eight has the following 3 prime factors:

2
Two
7
Seven
19
Nineteen

Prime Factorization

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

24 · 71 · 191 = 2128

Base Conversions

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