The Number

128040

One Hundred and Twenty-Eight Thousand and Forty

In Base 16 Hexadecimal Is

1f42816

The numbers with a 16 subscript use Base 16 Hexadecimal notation.

For more familiar numbers: See One Hundred and Twenty-Eight Thousand and Forty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

128037
1f42516
One Hundred and Twenty-Eight Thousand and Thirty-Seven in Base 16 Hexadecimal
128038
1f42616
One Hundred and Twenty-Eight Thousand and Thirty-Eight in Base 16 Hexadecimal
128039
1f42716
One Hundred and Twenty-Eight Thousand and Thirty-Nine in Base 16 Hexadecimal
128041
1f42916
One Hundred and Twenty-Eight Thousand and Forty-One in Base 16 Hexadecimal
128042
1f42a16
One Hundred and Twenty-Eight Thousand and Forty-Two in Base 16 Hexadecimal
128043
1f42b16
One Hundred and Twenty-Eight Thousand and Forty-Three in Base 16 Hexadecimal

Scientific Notation

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

1.28040e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00008307f31377465816

The reciprocal of 128040 in Base 16 Hexadecimal.

Palindrome?

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

The number 1f42816 is not a palindrome.

Not A Prime Number

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

One hundred and twenty-eight thousand and forty is a composite number with 64 total factors (including 1 and itself).   See primes in Base 16 Hexadecimal

A Composite

Composites have more than just these two factors.

One hundred and twenty-eight thousand and forty is a composite number with 64 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 one hundred and twenty-eight thousand and forty has the following 5 prime factors:

2
216
Two in Base 16 Hexadecimal
3
316
Three in Base 16 Hexadecimal
5
516
Five in Base 16 Hexadecimal
11
b16
Eleven in Base 16 Hexadecimal
97
6116
Ninety-Seven in Base 16 Hexadecimal

Prime Factorization

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

2163 · 3161 · 5161 · b161 · 61161 = 1f42816

Base Conversions

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