The Number

128720

One Hundred and Twenty-Eight Thousand Seven Hundred and Twenty

In Base 22 Duovigesimal Is

c1kk22

The numbers with a 22 subscript use Base 22 Duovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

128717
c1kh22
One Hundred and Twenty-Eight Thousand Seven Hundred and Seventeen in Base 22 Duovigesimal
128718
c1ki22
One Hundred and Twenty-Eight Thousand Seven Hundred and Eightteen in Base 22 Duovigesimal
128719
c1kj22
One Hundred and Twenty-Eight Thousand Seven Hundred and Nineteen in Base 22 Duovigesimal
128721
c1kl22
One Hundred and Twenty-Eight Thousand Seven Hundred and Twenty-One in Base 22 Duovigesimal
128722
c1l022
One Hundred and Twenty-Eight Thousand Seven Hundred and Twenty-Two in Base 22 Duovigesimal
128723
c1l122
One Hundred and Twenty-Eight Thousand Seven Hundred and Twenty-Three in Base 22 Duovigesimal

Scientific Notation

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

1.28720e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001i0i3ff8be3f622

The reciprocal of 128720 in Base 22 Duovigesimal.

Palindrome?

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

The number c1kk22 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 seven hundred and twenty is a composite number with 20 total factors (including 1 and itself).   See primes in Base 22 Duovigesimal

A Composite

Composites have more than just these two factors.

One hundred and twenty-eight thousand seven hundred and twenty is a composite number with 20 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 seven hundred and twenty has the following 3 prime factors:

2
222
Two in Base 22 Duovigesimal
5
522
Five in Base 22 Duovigesimal
1609
37322
One Thousand Six Hundred and Nine in Base 22 Duovigesimal

Prime Factorization

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

2224 · 5221 · 373221 = c1kk22

Base Conversions

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