The Number

128161

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

In Base 21 Unovigesimal Is

dhcj21

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-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

128158
dhcg21
One Hundred and Twenty-Eight Thousand One Hundred and Fifty-Eight in Base 21 Unovigesimal
128159
dhch21
One Hundred and Twenty-Eight Thousand One Hundred and Fifty-Nine in Base 21 Unovigesimal
128160
dhci21
One Hundred and Twenty-Eight Thousand One Hundred and Sixty in Base 21 Unovigesimal
128162
dhck21
One Hundred and Twenty-Eight Thousand One Hundred and Sixty-Two in Base 21 Unovigesimal
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

Scientific Notation

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

1.28161e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001ai46ibb1243j21

The reciprocal of 128161 in Base 21 Unovigesimal.

Palindrome?

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

The number dhcj21 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-one is a composite number with 8 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-one is a composite number with 8 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-one has the following 3 prime factors:

11
b21
Eleven in Base 21 Unovigesimal
61
2j21
Sixty-One in Base 21 Unovigesimal
191
9221
One Hundred and Ninety-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

b211 · 2j211 · 92211 = dhcj21

Base Conversions

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