The Number

128365

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

In Base 21 Unovigesimal Is

di1d21

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

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

Nearby Numbers

Positive, nonzero integers within three units

128362
di1a21
One Hundred and Twenty-Eight Thousand Three Hundred and Sixty-Two in Base 21 Unovigesimal
128363
di1b21
One Hundred and Twenty-Eight Thousand Three Hundred and Sixty-Three in Base 21 Unovigesimal
128364
di1c21
One Hundred and Twenty-Eight Thousand Three Hundred and Sixty-Four in Base 21 Unovigesimal
128366
di1e21
One Hundred and Twenty-Eight Thousand Three Hundred and Sixty-Six in Base 21 Unovigesimal
128367
di1f21
One Hundred and Twenty-Eight Thousand Three Hundred and Sixty-Seven in Base 21 Unovigesimal
128368
di1g21
One Hundred and Twenty-Eight Thousand Three Hundred and Sixty-Eight in Base 21 Unovigesimal

Scientific Notation

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

1.28365e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001ah2ki7373de21

The reciprocal of 128365 in Base 21 Unovigesimal.

Palindrome?

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

The number di1d21 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 three hundred and sixty-five 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 three hundred and sixty-five 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 three hundred and sixty-five has the following 2 prime factors:

5
521
Five in Base 21 Unovigesimal
25673
2g4b21
Twenty-Five Thousand Six Hundred and Seventy-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 · 2g4b211 = di1d21

Base Conversions

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