The Number

21920

Twenty-One Thousand Nine Hundred and Twenty

In Base 3 Ternary Is

10100012123

The numbers with a 3 subscript use Base 3 Ternary 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
10100012023
Twenty-One Thousand Nine Hundred and Seventeen in Base 3 Ternary
21918
10100012103
Twenty-One Thousand Nine Hundred and Eightteen in Base 3 Ternary
21919
10100012113
Twenty-One Thousand Nine Hundred and Nineteen in Base 3 Ternary
21921
10100012203
Twenty-One Thousand Nine Hundred and Twenty-One in Base 3 Ternary
21922
10100012213
Twenty-One Thousand Nine Hundred and Twenty-Two in Base 3 Ternary
21923
10100012223
Twenty-One Thousand Nine Hundred and Twenty-Three in Base 3 Ternary

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.

0.0000000002200201210212200102211100222121123

The reciprocal of 21920 in Base 3 Ternary.

Palindrome?

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

The number 10100012123 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 3 Ternary

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
23
Two in Base 3 Ternary
5
123
Five in Base 3 Ternary
137
120023
One Hundred and Thirty-Seven in Base 3 Ternary

Prime Factorization

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

235 · 1231 · 1200231 = 10100012123

Base Conversions

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