The Number

13720

Thirteen Thousand Seven Hundred and Twenty

In Base 21 Unovigesimal Is

1a2721

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

For more familiar numbers: See Thirteen Thousand Seven Hundred and Twenty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

13717
1a2421
Thirteen Thousand Seven Hundred and Seventeen in Base 21 Unovigesimal
13718
1a2521
Thirteen Thousand Seven Hundred and Eightteen in Base 21 Unovigesimal
13719
1a2621
Thirteen Thousand Seven Hundred and Nineteen in Base 21 Unovigesimal
13721
1a2821
Thirteen Thousand Seven Hundred and Twenty-One in Base 21 Unovigesimal
13722
1a2921
Thirteen Thousand Seven Hundred and Twenty-Two in Base 21 Unovigesimal
13723
1a2a21
Thirteen Thousand Seven Hundred and Twenty-Three in Base 21 Unovigesimal

Scientific Notation

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

1.3720e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000e3e3e3e3e3e321

The reciprocal of 13720 in Base 21 Unovigesimal.

Palindrome?

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

The number 1a2721 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Thirteen thousand seven hundred and twenty is a composite number with 32 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Thirteen thousand seven hundred and twenty is a composite number with 32 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 thirteen thousand seven hundred and twenty has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
7
721
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

2213 · 5211 · 7213 = 1a2721

Base Conversions

The number thirteen thousand seven hundred and twenty in 35 different bases