The Number

128220

One Hundred and Twenty-Eight Thousand Two Hundred and Twenty

In Base 18 Octodecimal Is

13hd618

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 Twenty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

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
128221
13hd718
One Hundred and Twenty-Eight Thousand Two Hundred and Twenty-One in Base 18 Octodecimal
128222
13hd818
One Hundred and Twenty-Eight Thousand Two Hundred and Twenty-Two in Base 18 Octodecimal
128223
13hd918
One Hundred and Twenty-Eight Thousand Two Hundred and Twenty-Three in Base 18 Octodecimal

Scientific Notation

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

1.28220e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ed4dd0358fg118

The reciprocal of 128220 in Base 18 Octodecimal.

Palindrome?

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

The number 13hd618 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 twenty is a composite number with 24 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 twenty is a composite number with 24 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 twenty has the following 4 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
2137
6ad18
Two Thousand One Hundred and Thirty-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

2182 · 3181 · 5181 · 6ad181 = 13hd618

Base Conversions

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