The Number

13985

Thirteen Thousand Nine Hundred and Eighty-Five

In Base 21 Unovigesimal Is

1aek21

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

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

Nearby Numbers

Positive, nonzero integers within three units

13982
1aeh21
Thirteen Thousand Nine Hundred and Eighty-Two in Base 21 Unovigesimal
13983
1aei21
Thirteen Thousand Nine Hundred and Eighty-Three in Base 21 Unovigesimal
13984
1aej21
Thirteen Thousand Nine Hundred and Eighty-Four in Base 21 Unovigesimal
13986
1af021
Thirteen Thousand Nine Hundred and Eighty-Six in Base 21 Unovigesimal
13987
1af121
Thirteen Thousand Nine Hundred and Eighty-Seven in Base 21 Unovigesimal
13988
1af221
Thirteen Thousand Nine Hundred and Eighty-Eight in Base 21 Unovigesimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.3985e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000dj0f3akb8e9c21

The reciprocal of 13985 in Base 21 Unovigesimal.

Palindrome?

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

The number 1aek21 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 nine hundred and eighty-five 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.

Thirteen thousand nine hundred and eighty-five 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 thirteen thousand nine hundred and eighty-five has the following 2 prime factors:

5
521
Five in Base 21 Unovigesimal
2797
67421
Two Thousand Seven Hundred and Ninety-Seven in Base 21 Unovigesimal

Prime Factorization

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

5211 · 674211 = 1aek21

Base Conversions

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