The Number

128216

One Hundred and Twenty-Eight Thousand Two Hundred and Sixteen

In Base 18 Octodecimal Is

13hd218

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

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

Nearby Numbers

Positive, nonzero integers within three units

128213
13hch18
One Hundred and Twenty-Eight Thousand Two Hundred and Thirteen in Base 18 Octodecimal
128214
13hd018
One Hundred and Twenty-Eight Thousand Two Hundred and Fourteen in Base 18 Octodecimal
128215
13hd118
One Hundred and Twenty-Eight Thousand Two Hundred and Fifteen in Base 18 Octodecimal
128217
13hd318
One Hundred and Twenty-Eight Thousand Two Hundred and Seventeen in Base 18 Octodecimal
128218
13hd418
One Hundred and Twenty-Eight Thousand Two Hundred and Eightteen in Base 18 Octodecimal
128219
13hd518
One Hundred and Twenty-Eight Thousand Two Hundred and Nineteen in Base 18 Octodecimal

Scientific Notation

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

1.28216e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ed4g74g983g9g18

The reciprocal of 128216 in Base 18 Octodecimal.

Palindrome?

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

The number 13hd218 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 two hundred and sixteen is a composite number with 32 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 two hundred and sixteen is a composite number with 32 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 two hundred and sixteen has the following 4 prime factors:

2
218
Two in Base 18 Octodecimal
11
b18
Eleven in Base 18 Octodecimal
31
1d18
Thirty-One in Base 18 Octodecimal
47
2b18
Forty-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

2183 · b181 · 1d181 · 2b181 = 13hd218

Base Conversions

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