The Number

12789

Twelve Thousand Seven Hundred and Eighty-Nine

In Base 21 Unovigesimal Is

180021

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

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

Nearby Numbers

Positive, nonzero integers within three units

12786
17ki21
Twelve Thousand Seven Hundred and Eighty-Six in Base 21 Unovigesimal
12787
17kj21
Twelve Thousand Seven Hundred and Eighty-Seven in Base 21 Unovigesimal
12788
17kk21
Twelve Thousand Seven Hundred and Eighty-Eight in Base 21 Unovigesimal
12790
180121
Twelve Thousand Seven Hundred and Ninety in Base 21 Unovigesimal
12791
180221
Twelve Thousand Seven Hundred and Ninety-One in Base 21 Unovigesimal
12792
180321
Twelve Thousand Seven 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.

1.2789e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000f475198ea2ii21

The reciprocal of 12789 in Base 21 Unovigesimal.

Palindrome?

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

The number 180021 is not a palindrome.

Not A Prime Number

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

Twelve thousand seven hundred and eighty-nine is a composite number with 18 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twelve thousand seven hundred and eighty-nine is a composite number with 18 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 twelve thousand seven hundred and eighty-nine has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
29
1821
Twenty-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

3212 · 7212 · 18211 = 180021

Base Conversions

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