The Number

11989

Eleven Thousand Nine Hundred and Eighty-Nine

In Base 21 Unovigesimal Is

163j21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

11986
163g21
Eleven Thousand Nine Hundred and Eighty-Six in Base 21 Unovigesimal
11987
163h21
Eleven Thousand Nine Hundred and Eighty-Seven in Base 21 Unovigesimal
11988
163i21
Eleven Thousand Nine Hundred and Eighty-Eight in Base 21 Unovigesimal
11990
163k21
Eleven Thousand Nine Hundred and Ninety in Base 21 Unovigesimal
11991
164021
Eleven Thousand Nine Hundred and Ninety-One in Base 21 Unovigesimal
11992
164121
Eleven Thousand Nine Hundred and Ninety-Two in Base 21 Unovigesimal

Scientific Notation

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

1.1989e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000g4df8hf2k2e621

The reciprocal of 11989 in Base 21 Unovigesimal.

Palindrome?

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

The number 163j21 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Eleven thousand nine hundred and eighty-nine is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eleven 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 eleven thousand nine hundred and eighty-nine has the following 2 prime factors:

19
j21
Nineteen in Base 21 Unovigesimal
631
19121
Six Hundred and Thirty-One in Base 21 Unovigesimal

Prime Factorization

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

j211 · 191211 = 163j21

Base Conversions

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