The Number

2189

Two Thousand One Hundred and Eighty-Nine

In Base 21 Unovigesimal Is

4k521

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

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

Nearby Numbers

Positive, nonzero integers within three units

2186
4k221
Two Thousand One Hundred and Eighty-Six in Base 21 Unovigesimal
2187
4k321
Two Thousand One Hundred and Eighty-Seven in Base 21 Unovigesimal
2188
4k421
Two Thousand One Hundred and Eighty-Eight in Base 21 Unovigesimal
2190
4k621
Two Thousand One Hundred and Ninety in Base 21 Unovigesimal
2191
4k721
Two Thousand One Hundred and Ninety-One in Base 21 Unovigesimal
2192
4k821
Two Thousand One 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.

2.189e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0044hfabgkkgg3a21

The reciprocal of 2189 in Base 21 Unovigesimal.

Palindrome?

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

The number 4k521 is not a palindrome.

Not A Prime Number

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

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

11
b21
Eleven in Base 21 Unovigesimal
199
9a21
One Hundred and Ninety-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

b211 · 9a211 = 4k521

Base Conversions

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