The Number

13915

Thirteen Thousand Nine Hundred and Fifteen

In Base 21 Unovigesimal Is

1abd21

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

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

Nearby Numbers

Positive, nonzero integers within three units

13912
1aba21
Thirteen Thousand Nine Hundred and Twelve in Base 21 Unovigesimal
13913
1abb21
Thirteen Thousand Nine Hundred and Thirteen in Base 21 Unovigesimal
13914
1abc21
Thirteen Thousand Nine Hundred and Fourteen in Base 21 Unovigesimal
13916
1abe21
Thirteen Thousand Nine Hundred and Sixteen in Base 21 Unovigesimal
13917
1abf21
Thirteen Thousand Nine Hundred and Seventeen in Base 21 Unovigesimal
13918
1abg21
Thirteen Thousand Nine Hundred and Eightteen in Base 21 Unovigesimal

Scientific Notation

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

1.3915e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000dkac0g78ggg3a21

The reciprocal of 13915 in Base 21 Unovigesimal.

Palindrome?

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

The number 1abd21 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 fifteen is a composite number with 12 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 fifteen is a composite number with 12 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 fifteen has the following 3 prime factors:

5
521
Five in Base 21 Unovigesimal
11
b21
Eleven 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 · b212 · 12211 = 1abd21

Base Conversions

The number thirteen thousand nine hundred and fifteen in 35 different bases