The Number

13505

Thirteen Thousand Five Hundred and Five

In Base 21 Unovigesimal Is

19d221

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

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

Nearby Numbers

Positive, nonzero integers within three units

13502
19ck21
Thirteen Thousand Five Hundred and Two in Base 21 Unovigesimal
13503
19d021
Thirteen Thousand Five Hundred and Three in Base 21 Unovigesimal
13504
19d121
Thirteen Thousand Five Hundred and Four in Base 21 Unovigesimal
13506
19d321
Thirteen Thousand Five Hundred and Six in Base 21 Unovigesimal
13507
19d421
Thirteen Thousand Five Hundred and Seven in Base 21 Unovigesimal
13508
19d521
Thirteen Thousand Five Hundred and 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.

1.3505e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000e88ec02db9b521

The reciprocal of 13505 in Base 21 Unovigesimal.

Palindrome?

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

The number 19d221 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 five hundred and five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Thirteen thousand five hundred and five is a composite number with 8 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 five hundred and five has the following 3 prime factors:

5
521
Five in Base 21 Unovigesimal
37
1g21
Thirty-Seven in Base 21 Unovigesimal
73
3a21
Seventy-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 · 1g211 · 3a211 = 19d221

Base Conversions

The number thirteen thousand five hundred and five in 35 different bases