The Number

128015

One Hundred and Twenty-Eight Thousand and Fifteen

In Base 21 Unovigesimal Is

dh5k21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

128012
dh5h21
One Hundred and Twenty-Eight Thousand and Twelve in Base 21 Unovigesimal
128013
dh5i21
One Hundred and Twenty-Eight Thousand and Thirteen in Base 21 Unovigesimal
128014
dh5j21
One Hundred and Twenty-Eight Thousand and Fourteen in Base 21 Unovigesimal
128016
dh6021
One Hundred and Twenty-Eight Thousand and Sixteen in Base 21 Unovigesimal
128017
dh6121
One Hundred and Twenty-Eight Thousand and Seventeen in Base 21 Unovigesimal
128018
dh6221
One Hundred and Twenty-Eight Thousand and Eightteen in Base 21 Unovigesimal

Scientific Notation

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

1.28015e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001aik79g0jc74121

The reciprocal of 128015 in Base 21 Unovigesimal.

Palindrome?

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

The number dh5k21 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 fifteen is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

One hundred and twenty-eight thousand and fifteen is a composite number with 4 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 fifteen has the following 2 prime factors:

5
521
Five in Base 21 Unovigesimal
25603
2g1421
Twenty-Five Thousand Six Hundred and Three in Base 21 Unovigesimal

Prime Factorization

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

5211 · 2g14211 = dh5k21

Base Conversions

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