The Number

21890

Twenty-One Thousand Eight Hundred and Ninety

In Base 24 Tetravigesimal Is

1e0224

The numbers with a 24 subscript use Base 24 Tetravigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21887
1dnn24
Twenty-One Thousand Eight Hundred and Eighty-Seven in Base 24 Tetravigesimal
21888
1e0024
Twenty-One Thousand Eight Hundred and Eighty-Eight in Base 24 Tetravigesimal
21889
1e0124
Twenty-One Thousand Eight Hundred and Eighty-Nine in Base 24 Tetravigesimal
21891
1e0324
Twenty-One Thousand Eight Hundred and Ninety-One in Base 24 Tetravigesimal
21892
1e0424
Twenty-One Thousand Eight Hundred and Ninety-Two in Base 24 Tetravigesimal
21893
1e0524
Twenty-One Thousand Eight Hundred and Ninety-Three in Base 24 Tetravigesimal

Scientific Notation

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

2.1890e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000f3i3e4kha6fl24

The reciprocal of 21890 in Base 24 Tetravigesimal.

Palindrome?

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

The number 1e0224 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 ninety is a composite number with 16 total factors (including 1 and itself).   See primes in Base 24 Tetravigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand eight hundred and ninety 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 ninety has the following 4 prime factors:

2
224
Two in Base 24 Tetravigesimal
5
524
Five in Base 24 Tetravigesimal
11
b24
Eleven in Base 24 Tetravigesimal
199
8724
One Hundred and Ninety-Nine in Base 24 Tetravigesimal

Prime Factorization

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

2241 · 5241 · b241 · 87241 = 1e0224

Base Conversions

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