The Number

128671

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

In Base 21 Unovigesimal Is

dig421

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

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

Nearby Numbers

Positive, nonzero integers within three units

128668
dig121
One Hundred and Twenty-Eight Thousand Six Hundred and Sixty-Eight in Base 21 Unovigesimal
128669
dig221
One Hundred and Twenty-Eight Thousand Six Hundred and Sixty-Nine in Base 21 Unovigesimal
128670
dig321
One Hundred and Twenty-Eight Thousand Six Hundred and Seventy in Base 21 Unovigesimal
128672
dig521
One Hundred and Twenty-Eight Thousand Six Hundred and Seventy-Two in Base 21 Unovigesimal
128673
dig621
One Hundred and Twenty-Eight Thousand Six Hundred and Seventy-Three in Base 21 Unovigesimal
128674
dig721
One Hundred and Twenty-Eight Thousand Six Hundred and Seventy-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.

1.28671e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001afbd31h248b421

The reciprocal of 128671 in Base 21 Unovigesimal.

Palindrome?

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

The number dig421 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 six hundred and seventy-one 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 six hundred and seventy-one 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 six hundred and seventy-one has the following 2 prime factors:

223
ad21
Two Hundred and Twenty-Three in Base 21 Unovigesimal
577
16a21
Five Hundred and Seventy-Seven in Base 21 Unovigesimal

Prime Factorization

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

ad211 · 16a211 = dig421

Base Conversions

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