The Number

13689

Thirteen Thousand Six Hundred and Eighty-Nine

In Base 21 Unovigesimal Is

1a0i21

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

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

Nearby Numbers

Positive, nonzero integers within three units

13686
1a0f21
Thirteen Thousand Six Hundred and Eighty-Six in Base 21 Unovigesimal
13687
1a0g21
Thirteen Thousand Six Hundred and Eighty-Seven in Base 21 Unovigesimal
13688
1a0h21
Thirteen Thousand Six Hundred and Eighty-Eight in Base 21 Unovigesimal
13690
1a0j21
Thirteen Thousand Six Hundred and Ninety in Base 21 Unovigesimal
13691
1a0k21
Thirteen Thousand Six Hundred and Ninety-One in Base 21 Unovigesimal
13692
1a1021
Thirteen Thousand Six 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.

1.3689e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000e476k2f8c12a21

The reciprocal of 13689 in Base 21 Unovigesimal.

Palindrome?

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

The number 1a0i21 is not a palindrome.

Not A Prime Number

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

Thirteen thousand six hundred and eighty-nine is a composite number with 15 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Thirteen thousand six hundred and eighty-nine is a composite number with 15 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 thirteen thousand six hundred and eighty-nine has the following 2 prime factors:

3
321
Three in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal

Prime Factorization

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

3214 · d212 = 1a0i21

Base Conversions

The number thirteen thousand six hundred and eighty-nine in 35 different bases