The Number

128042

One Hundred and Twenty-Eight Thousand and Forty-Two

In Base 18 Octodecimal Is

13h3818

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

128039
13h3518
One Hundred and Twenty-Eight Thousand and Thirty-Nine in Base 18 Octodecimal
128040
13h3618
One Hundred and Twenty-Eight Thousand and Forty in Base 18 Octodecimal
128041
13h3718
One Hundred and Twenty-Eight Thousand and Forty-One in Base 18 Octodecimal
128043
13h3918
One Hundred and Twenty-Eight Thousand and Forty-Three in Base 18 Octodecimal
128044
13h3a18
One Hundred and Twenty-Eight Thousand and Forty-Four in Base 18 Octodecimal
128045
13h3b18
One Hundred and Twenty-Eight Thousand and Forty-Five in Base 18 Octodecimal

Scientific Notation

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

1.28042e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000edb73b73hh51618

The reciprocal of 128042 in Base 18 Octodecimal.

Palindrome?

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

The number 13h3818 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-two is a composite number with 8 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

One hundred and twenty-eight thousand and forty-two is a composite number with 8 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-two has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
73
4118
Seventy-Three in Base 18 Octodecimal
877
2cd18
Eight Hundred and Seventy-Seven in Base 18 Octodecimal

Prime Factorization

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

2181 · 41181 · 2cd181 = 13h3818

Base Conversions

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