The Number

13685

Thirteen Thousand Six Hundred and Eighty-Five

In Base 21 Unovigesimal Is

1a0e21

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

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

Nearby Numbers

Positive, nonzero integers within three units

13682
1a0b21
Thirteen Thousand Six Hundred and Eighty-Two in Base 21 Unovigesimal
13683
1a0c21
Thirteen Thousand Six Hundred and Eighty-Three in Base 21 Unovigesimal
13684
1a0d21
Thirteen Thousand Six Hundred and Eighty-Four in Base 21 Unovigesimal
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

Scientific Notation

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

1.3685e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000e4938f8551ed21

The reciprocal of 13685 in Base 21 Unovigesimal.

Palindrome?

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

The number 1a0e21 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-five 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.

Thirteen thousand six hundred and eighty-five 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 thirteen thousand six hundred and eighty-five has the following 4 prime factors:

5
521
Five in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
17
h21
Seventeen in Base 21 Unovigesimal
23
1221
Twenty-Three 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 · 7211 · h211 · 12211 = 1a0e21

Base Conversions

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