The Number

21920

Twenty-One Thousand Nine Hundred and Twenty

In Base 19 Nonadecimal Is

33dd19

The numbers with a 19 subscript use Base 19 Nonadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21917
33da19
Twenty-One Thousand Nine Hundred and Seventeen in Base 19 Nonadecimal
21918
33db19
Twenty-One Thousand Nine Hundred and Eightteen in Base 19 Nonadecimal
21919
33dc19
Twenty-One Thousand Nine Hundred and Nineteen in Base 19 Nonadecimal
21921
33de19
Twenty-One Thousand Nine Hundred and Twenty-One in Base 19 Nonadecimal
21922
33df19
Twenty-One Thousand Nine Hundred and Twenty-Two in Base 19 Nonadecimal
21923
33dg19
Twenty-One Thousand Nine Hundred and Twenty-Three in Base 19 Nonadecimal

Scientific Notation

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

2.1920e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0005hi4fb1faf3a819

The reciprocal of 21920 in Base 19 Nonadecimal.

Palindrome?

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

The number 33dd19 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 and twenty is a composite number with 24 total factors (including 1 and itself).   See primes in Base 19 Nonadecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand nine hundred and twenty is a composite number with 24 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 and twenty has the following 3 prime factors:

2
219
Two in Base 19 Nonadecimal
5
519
Five in Base 19 Nonadecimal
137
7419
One Hundred and Thirty-Seven in Base 19 Nonadecimal

Prime Factorization

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

2195 · 5191 · 74191 = 33dd19

Base Conversions

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