The Number

15

Fifteen

In Base 11 Undecimal Is

1411

The numbers with a 11 subscript use Base 11 Undecimal notation.

For more familiar numbers: See Fifteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

12
1111
Twelve in Base 11 Undecimal
13
1211
Thirteen in Base 11 Undecimal
14
1311
Fourteen in Base 11 Undecimal
16
1511
Sixteen in Base 11 Undecimal
17
1611
Seventeen in Base 11 Undecimal
18
1711
Eightteen in Base 11 Undecimal

Scientific Notation

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

1.5e1

Reciprocal

A number multiplied with its reciprocal is one.

0.080808080808080811

The reciprocal of 15 in Base 11 Undecimal.

Palindrome?

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

The number 1411 is not a palindrome.

Not A Prime Number

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

Fifteen is a composite number with 4 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Fifteen 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 fifteen has the following 2 prime factors:

3
311
Three in Base 11 Undecimal
5
511
Five in Base 11 Undecimal

Prime Factorization

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

3111 · 5111 = 1411

Base Conversions

The number fifteen in 35 different bases