The Number

21900

Twenty-One Thousand Nine Hundred

In Base 23 Trivigesimal Is

1i9423

The numbers with a 23 subscript use Base 23 Trivigesimal notation.

For more familiar numbers: See Twenty-One Thousand Nine Hundred in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21897
1i9123
Twenty-One Thousand Eight Hundred and Ninety-Seven in Base 23 Trivigesimal
21898
1i9223
Twenty-One Thousand Eight Hundred and Ninety-Eight in Base 23 Trivigesimal
21899
1i9323
Twenty-One Thousand Eight Hundred and Ninety-Nine in Base 23 Trivigesimal
21901
1i9523
Twenty-One Thousand Nine Hundred and One in Base 23 Trivigesimal
21902
1i9623
Twenty-One Thousand Nine Hundred and Two in Base 23 Trivigesimal
21903
1i9723
Twenty-One Thousand Nine Hundred and Three in Base 23 Trivigesimal

Scientific Notation

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

2.1900e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000chkeb1hdl0hb23

The reciprocal of 21900 in Base 23 Trivigesimal.

Palindrome?

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

The number 1i9423 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 nine hundred is a composite number with 36 total factors (including 1 and itself).   See primes in Base 23 Trivigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand nine hundred is a composite number with 36 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 nine hundred has the following 4 prime factors:

2
223
Two in Base 23 Trivigesimal
3
323
Three in Base 23 Trivigesimal
5
523
Five in Base 23 Trivigesimal
73
3423
Seventy-Three in Base 23 Trivigesimal

Prime Factorization

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

2232 · 3231 · 5232 · 34231 = 1i9423

Base Conversions

The number twenty-one thousand nine hundred in 35 different bases