The Number

128900

One Hundred and Twenty-Eight Thousand Nine Hundred

In Base 31 Untrigesimal Is

4a4231

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

128897
4a3u31
One Hundred and Twenty-Eight Thousand Eight Hundred and Ninety-Seven in Base 31 Untrigesimal
128898
4a4031
One Hundred and Twenty-Eight Thousand Eight Hundred and Ninety-Eight in Base 31 Untrigesimal
128899
4a4131
One Hundred and Twenty-Eight Thousand Eight Hundred and Ninety-Nine in Base 31 Untrigesimal
128901
4a4331
One Hundred and Twenty-Eight Thousand Nine Hundred and One in Base 31 Untrigesimal
128902
4a4431
One Hundred and Twenty-Eight Thousand Nine Hundred and Two in Base 31 Untrigesimal
128903
4a4531
One Hundred and Twenty-Eight Thousand Nine Hundred and Three in Base 31 Untrigesimal

Scientific Notation

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

1.28900e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0007536gjuq9je31

The reciprocal of 128900 in Base 31 Untrigesimal.

Palindrome?

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

The number 4a4231 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 nine hundred is a composite number with 18 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

One hundred and twenty-eight thousand nine hundred is a composite number with 18 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 nine hundred has the following 3 prime factors:

2
231
Two in Base 31 Untrigesimal
5
531
Five in Base 31 Untrigesimal
1289
1ai31
One Thousand Two Hundred and Eighty-Nine in Base 31 Untrigesimal

Prime Factorization

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

2312 · 5312 · 1ai311 = 4a4231

Base Conversions

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