The Number

21830

Twenty-One Thousand Eight Hundred and Thirty

In Base 20 Vigesimal Is

2eba20

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21827
2eb720
Twenty-One Thousand Eight Hundred and Twenty-Seven in Base 20 Vigesimal
21828
2eb820
Twenty-One Thousand Eight Hundred and Twenty-Eight in Base 20 Vigesimal
21829
2eb920
Twenty-One Thousand Eight Hundred and Twenty-Nine in Base 20 Vigesimal
21831
2ebb20
Twenty-One Thousand Eight Hundred and Thirty-One in Base 20 Vigesimal
21832
2ebc20
Twenty-One Thousand Eight Hundred and Thirty-Two in Base 20 Vigesimal
21833
2ebd20
Twenty-One Thousand Eight Hundred 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.

2.1830e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00076bei28eg22a620

The reciprocal of 21830 in Base 20 Vigesimal.

Palindrome?

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

The number 2eba20 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 eight hundred 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 eight hundred and thirty is a composite number with 16 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 twenty-one thousand eight hundred and thirty has the following 4 prime factors:

2
220
Two in Base 20 Vigesimal
5
520
Five in Base 20 Vigesimal
37
1h20
Thirty-Seven in Base 20 Vigesimal
59
2j20
Fifty-Nine 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 · 5201 · 1h201 · 2j201 = 2eba20

Base Conversions

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