Nearby Numbers

Positive, nonzero integers within three units

21027

2cb720

Twenty-One Thousand and Twenty-Seven in Base 20 Vigesimal

21028

2cb820

Twenty-One Thousand and Twenty-Eight in Base 20 Vigesimal

21029

2cb920

Twenty-One Thousand and Twenty-Nine in Base 20 Vigesimal

21031

2cbb20

Twenty-One Thousand and Thirty-One in Base 20 Vigesimal

21032

2cbc20

Twenty-One Thousand and Thirty-Two in Base 20 Vigesimal

21033

2cbd20

Twenty-One Thousand and Thirty-Three in Base 20 Vigesimal

Scientific Notation

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

2.1030e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0007c358c2e074af20

The reciprocal of 21030 in Base 20 Vigesimal.

Palindrome?

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

The number 2cba20 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand and thirty is a composite number with 16 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand and thirty is a composite number with 16 total factors (including 1 and itself).

Prime Factors

2

220

Two in Base 20 Vigesimal

3

320

Three in Base 20 Vigesimal

5

520

Five in Base 20 Vigesimal

701

1f120

Seven Hundred and One in Base 20 Vigesimal

Prime Factorization

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

2201 · 3201 · 5201 · 1f1201 = 2cba20

Base Conversions

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