The Number

11890

Eleven Thousand Eight Hundred and Ninety

In Base 21 Unovigesimal Is

15k421

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

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

Nearby Numbers

Positive, nonzero integers within three units

11887
15k121
Eleven Thousand Eight Hundred and Eighty-Seven in Base 21 Unovigesimal
11888
15k221
Eleven Thousand Eight Hundred and Eighty-Eight in Base 21 Unovigesimal
11889
15k321
Eleven Thousand Eight Hundred and Eighty-Nine in Base 21 Unovigesimal
11891
15k521
Eleven Thousand Eight Hundred and Ninety-One in Base 21 Unovigesimal
11892
15k621
Eleven Thousand Eight Hundred and Ninety-Two in Base 21 Unovigesimal
11893
15k721
Eleven Thousand Eight 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.

1.1890e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000g7a65ehc9ak21

The reciprocal of 11890 in Base 21 Unovigesimal.

Palindrome?

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

The number 15k421 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 eight hundred and ninety is a composite number with 16 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eleven thousand eight hundred and ninety is a composite number with 16 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 eight hundred and ninety has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
29
1821
Twenty-Nine in Base 21 Unovigesimal
41
1k21
Forty-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

2211 · 5211 · 18211 · 1k211 = 15k421

Base Conversions

The number eleven thousand eight hundred and ninety in 35 different bases