The Number

42128

Forty-Two Thousand One Hundred and Twenty-Eight

Nearby Numbers

Positive, nonzero integers within three units

42125
Forty-Two Thousand One Hundred and Twenty-Five
42126
Forty-Two Thousand One Hundred and Twenty-Six
42127
Forty-Two Thousand One Hundred and Twenty-Seven
42129
Forty-Two Thousand One Hundred and Twenty-Nine
42130
Forty-Two Thousand One Hundred and Thirty
42131
Forty-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.

4.2128e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000023737181921762248

The reciprocal of 42128.

Palindrome?

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

The number 42128 is not a palindrome.

Not A Prime Number

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

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

A Composite

Composites have more than just these two factors.

Forty-two thousand one hundred and twenty-eight is a composite number with 10 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 forty-two thousand one hundred and twenty-eight has the following 2 prime factors:

2
Two
2633
Two Thousand Six Hundred and Thirty-Three

Prime Factorization

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

24 · 26331 = 42128

Base Conversions

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