The Number

212990

Two Hundred and Twelve Thousand Nine Hundred and Ninety

In Base 21 Unovigesimal Is

11kk821

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

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

Nearby Numbers

Positive, nonzero integers within three units

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
212989
11kk721
Two Hundred and Twelve Thousand Nine Hundred and Eighty-Nine 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
212993
11kkb21
Two Hundred and Twelve Thousand Nine Hundred and Ninety-Three in Base 21 Unovigesimal

Scientific Notation

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

2.12990e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000j3e4980e924c21

The reciprocal of 212990 in Base 21 Unovigesimal.

Palindrome?

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

The number 11kk821 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 ninety is a composite number with 24 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 ninety 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 two hundred and twelve thousand nine hundred and ninety has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
19
j21
Nineteen in Base 21 Unovigesimal
59
2h21
Fifty-Nine in Base 21 Unovigesimal

Prime Factorization

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

2211 · 5211 · j212 · 2h211 = 11kk821

Base Conversions

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