The Number

130721

One Hundred and Thirty Thousand Seven Hundred and Twenty-One

In Base 21 Unovigesimal Is

e28h21

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

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

Nearby Numbers

Positive, nonzero integers within three units

130718
e28e21
One Hundred and Thirty Thousand Seven Hundred and Eightteen in Base 21 Unovigesimal
130719
e28f21
One Hundred and Thirty Thousand Seven Hundred and Nineteen in Base 21 Unovigesimal
130720
e28g21
One Hundred and Thirty Thousand Seven Hundred and Twenty in Base 21 Unovigesimal
130722
e28i21
One Hundred and Thirty Thousand Seven Hundred and Twenty-Two in Base 21 Unovigesimal
130723
e28j21
One Hundred and Thirty Thousand Seven Hundred and Twenty-Three in Base 21 Unovigesimal
130724
e28k21
One Hundred and Thirty Thousand Seven Hundred and Twenty-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.

1.30721e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001a52275beh96f21

The reciprocal of 130721 in Base 21 Unovigesimal.

Palindrome?

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

The number e28h21 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 thirty thousand seven hundred and twenty-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 thirty thousand seven hundred and twenty-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 thirty thousand seven hundred and twenty-one has the following 2 prime factors:

37
1g21
Thirty-Seven in Base 21 Unovigesimal
3533
80521
Three Thousand Five Hundred and Thirty-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

1g211 · 805211 = e28h21

Base Conversions

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