The Number

128820

One Hundred and Twenty-Eight Thousand Eight Hundred and Twenty

In Base 31 Untrigesimal Is

4a1f31

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

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

Nearby Numbers

Positive, nonzero integers within three units

128817
4a1c31
One Hundred and Twenty-Eight Thousand Eight Hundred and Seventeen in Base 31 Untrigesimal
128818
4a1d31
One Hundred and Twenty-Eight Thousand Eight Hundred and Eightteen in Base 31 Untrigesimal
128819
4a1e31
One Hundred and Twenty-Eight Thousand Eight Hundred and Nineteen in Base 31 Untrigesimal
128821
4a1g31
One Hundred and Twenty-Eight Thousand Eight Hundred and Twenty-One in Base 31 Untrigesimal
128822
4a1h31
One Hundred and Twenty-Eight Thousand Eight Hundred and Twenty-Two in Base 31 Untrigesimal
128823
4a1i31
One Hundred and Twenty-Eight Thousand Eight Hundred and Twenty-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.

1.28820e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000757f2n8gnkq31

The reciprocal of 128820 in Base 31 Untrigesimal.

Palindrome?

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

The number 4a1f31 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 eight hundred and twenty is a composite number with 48 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 eight hundred and twenty is a composite number with 48 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 eight hundred and twenty has the following 5 prime factors:

2
231
Two in Base 31 Untrigesimal
3
331
Three in Base 31 Untrigesimal
5
531
Five in Base 31 Untrigesimal
19
j31
Nineteen in Base 31 Untrigesimal
113
3k31
One Hundred and Thirteen 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 · 3311 · 5311 · j311 · 3k311 = 4a1f31

Base Conversions

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