The Number

212989

Two Hundred and Twelve Thousand Nine Hundred and Eighty-Nine

In Base 21 Unovigesimal Is

11kk721

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

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

Nearby Numbers

Positive, nonzero integers within three units

212986
11kk421
Two Hundred and Twelve Thousand Nine Hundred and Eighty-Six in Base 21 Unovigesimal
212987
11kk521
Two Hundred and Twelve Thousand Nine Hundred and Eighty-Seven in Base 21 Unovigesimal
212988
11kk621
Two Hundred and Twelve Thousand Nine Hundred and Eighty-Eight in Base 21 Unovigesimal
212990
11kk821
Two Hundred and Twelve Thousand Nine Hundred and Ninety in Base 21 Unovigesimal
212991
11kk921
Two Hundred and Twelve Thousand Nine Hundred and Ninety-One in Base 21 Unovigesimal
212992
11kka21
Two Hundred and Twelve 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.

2.12989e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000j3e55if1fk2j21

The reciprocal of 212989 in Base 21 Unovigesimal.

Palindrome?

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

The number 11kk721 is not a palindrome.

Not A Prime Number

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

Two hundred and twelve 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.

Two hundred and twelve 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 two hundred and twelve thousand nine hundred and eighty-nine has the following 2 prime factors:

7
721
Seven in Base 21 Unovigesimal
30427
35kj21
Thirty Thousand Four Hundred and Twenty-Seven in Base 21 Unovigesimal

Prime Factorization

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

7211 · 35kj211 = 11kk721

Base Conversions

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