The Number

128012

One Hundred and Twenty-Eight Thousand and Twelve

In Base 21 Unovigesimal Is

dh5h21

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

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

Nearby Numbers

Positive, nonzero integers within three units

128009
dh5e21
One Hundred and Twenty-Eight Thousand and Nine in Base 21 Unovigesimal
128010
dh5f21
One Hundred and Twenty-Eight Thousand and Ten in Base 21 Unovigesimal
128011
dh5g21
One Hundred and Twenty-Eight Thousand and Eleven 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
128015
dh5k21
One Hundred and Twenty-Eight Thousand and Fifteen in Base 21 Unovigesimal

Scientific Notation

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

1.28012e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001aike83c2g2821

The reciprocal of 128012 in Base 21 Unovigesimal.

Palindrome?

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

The number dh5h21 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 twelve is a composite number with 6 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 twelve is a composite number with 6 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 twelve has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
32003
39bk21
Thirty-Two Thousand 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

2212 · 39bk211 = dh5h21

Base Conversions

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