The Number

21989

Twenty-One Thousand Nine Hundred and Eighty-Nine

In Base 3 Ternary Is

10100111023

The numbers with a 3 subscript use Base 3 Ternary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21986
10100110223
Twenty-One Thousand Nine Hundred and Eighty-Six in Base 3 Ternary
21987
10100111003
Twenty-One Thousand Nine Hundred and Eighty-Seven in Base 3 Ternary
21988
10100111013
Twenty-One Thousand Nine Hundred and Eighty-Eight in Base 3 Ternary
21990
10100111103
Twenty-One Thousand Nine Hundred and Ninety in Base 3 Ternary
21991
10100111113
Twenty-One Thousand Nine Hundred and Ninety-One in Base 3 Ternary
21992
10100111123
Twenty-One Thousand Nine Hundred and Ninety-Two in Base 3 Ternary

Scientific Notation

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

2.1989e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000002200111122111100210200201020202223

The reciprocal of 21989 in Base 3 Ternary.

Palindrome?

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

The number 10100111023 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 eighty-nine is a composite number with 4 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 eighty-nine is a composite number with 4 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 eighty-nine has the following 2 prime factors:

11
1023
Eleven in Base 3 Ternary
1999
22020013
One Thousand Nine Hundred and Ninety-Nine in Base 3 Ternary

Prime Factorization

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

10231 · 220200131 = 10100111023

Base Conversions

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