The Number

128991

One Hundred and Twenty-Eight Thousand Nine Hundred and Ninety-One

In Base 4 Quaternary Is

1331331334

The numbers with a 4 subscript use Base 4 Quaternary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

128988
1331331304
One Hundred and Twenty-Eight Thousand Nine Hundred and Eighty-Eight in Base 4 Quaternary
128989
1331331314
One Hundred and Twenty-Eight Thousand Nine Hundred and Eighty-Nine in Base 4 Quaternary
128990
1331331324
One Hundred and Twenty-Eight Thousand Nine Hundred and Ninety in Base 4 Quaternary
128992
1331332004
One Hundred and Twenty-Eight Thousand Nine Hundred and Ninety-Two in Base 4 Quaternary
128993
1331332014
One Hundred and Twenty-Eight Thousand Nine Hundred and Ninety-Three in Base 4 Quaternary
128994
1331332024
One Hundred and Twenty-Eight Thousand Nine Hundred and Ninety-Four in Base 4 Quaternary

Scientific Notation

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

1.28991e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000000200201002210221103011223124

The reciprocal of 128991 in Base 4 Quaternary.

Palindrome?

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

The number 1331331334 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 and ninety-one is a composite number with 16 total factors (including 1 and itself).   See primes in Base 4 Quaternary

A Composite

Composites have more than just these two factors.

One hundred and twenty-eight thousand nine hundred and ninety-one 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 nine hundred and ninety-one has the following 4 prime factors:

3
34
Three in Base 4 Quaternary
19
1034
Nineteen in Base 4 Quaternary
31
1334
Thirty-One in Base 4 Quaternary
73
10214
Seventy-Three in Base 4 Quaternary

Prime Factorization

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

341 · 10341 · 13341 · 102141 = 1331331334

Base Conversions

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