The Number

211990

Two Hundred and Eleven Thousand Nine Hundred and Ninety

In Base 21 Unovigesimal Is

11ieg21

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

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

Nearby Numbers

Positive, nonzero integers within three units

211987
11ied21
Two Hundred and Eleven Thousand Nine Hundred and Eighty-Seven in Base 21 Unovigesimal
211988
11iee21
Two Hundred and Eleven Thousand Nine Hundred and Eighty-Eight in Base 21 Unovigesimal
211989
11ief21
Two Hundred and Eleven Thousand Nine Hundred and Eighty-Nine in Base 21 Unovigesimal
211991
11ieh21
Two Hundred and Eleven Thousand Nine Hundred and Ninety-One in Base 21 Unovigesimal
211992
11iei21
Two Hundred and Eleven Thousand Nine Hundred and Ninety-Two in Base 21 Unovigesimal
211993
11iej21
Two Hundred and Eleven 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.

2.11990e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000j5c22f6362f721

The reciprocal of 211990 in Base 21 Unovigesimal.

Palindrome?

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

The number 11ieg21 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 eleven thousand nine hundred and ninety is a composite number with 32 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 eleven thousand nine hundred and ninety is a composite number with 32 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 eleven thousand nine hundred and ninety has the following 5 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
17
h21
Seventeen in Base 21 Unovigesimal
29
1821
Twenty-Nine in Base 21 Unovigesimal
43
2121
Forty-Three 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 · h211 · 18211 · 21211 = 11ieg21

Base Conversions

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