The Number

10721

Ten Thousand Seven Hundred and Twenty-One

In Base 21 Unovigesimal Is

136b21

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

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

Nearby Numbers

Positive, nonzero integers within three units

10718
136821
Ten Thousand Seven Hundred and Eightteen in Base 21 Unovigesimal
10719
136921
Ten Thousand Seven Hundred and Nineteen in Base 21 Unovigesimal
10720
136a21
Ten Thousand Seven Hundred and Twenty in Base 21 Unovigesimal
10722
136c21
Ten Thousand Seven Hundred and Twenty-Two in Base 21 Unovigesimal
10723
136d21
Ten Thousand Seven Hundred and Twenty-Three in Base 21 Unovigesimal
10724
136e21
Ten 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.

1.0721e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000i2jh6eic36f421

The reciprocal of 10721 in Base 21 Unovigesimal.

Palindrome?

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

The number 136b21 is not a palindrome.

Not A Prime Number

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

Ten 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.

Ten 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 ten thousand seven hundred and twenty-one has the following 2 prime factors:

71
3821
Seventy-One in Base 21 Unovigesimal
151
7421
One Hundred and Fifty-One in Base 21 Unovigesimal

Prime Factorization

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

38211 · 74211 = 136b21

Base Conversions

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