The Number

128166

One Hundred and Twenty-Eight Thousand One Hundred and Sixty-Six

In Base 21 Unovigesimal Is

dhd321

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

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

Nearby Numbers

Positive, nonzero integers within three units

128163
dhd021
One Hundred and Twenty-Eight Thousand One Hundred and Sixty-Three in Base 21 Unovigesimal
128164
dhd121
One Hundred and Twenty-Eight Thousand One Hundred and Sixty-Four in Base 21 Unovigesimal
128165
dhd221
One Hundred and Twenty-Eight Thousand One Hundred and Sixty-Five in Base 21 Unovigesimal
128167
dhd421
One Hundred and Twenty-Eight Thousand One Hundred and Sixty-Seven in Base 21 Unovigesimal
128168
dhd521
One Hundred and Twenty-Eight Thousand One Hundred and Sixty-Eight in Base 21 Unovigesimal
128169
dhd621
One Hundred and Twenty-Eight Thousand One Hundred and Sixty-Nine in Base 21 Unovigesimal

Scientific Notation

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

1.28166e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001ai3g7g48b7i521

The reciprocal of 128166 in Base 21 Unovigesimal.

Palindrome?

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

The number dhd321 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 one hundred and sixty-six is a composite number with 16 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 one hundred and sixty-six is a composite number with 16 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 one hundred and sixty-six has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
41
1k21
Forty-One in Base 21 Unovigesimal
521
13h21
Five Hundred and Twenty-One in Base 21 Unovigesimal

Prime Factorization

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

2211 · 3211 · 1k211 · 13h211 = dhd321

Base Conversions

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