415

The numbers with a 15 subscript use Base 15 Quindecimal notation.

For more familiar numbers: See Four in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

2
215
Two in Base 15 Quindecimal
3
315
Three in Base 15 Quindecimal
5
515
Five in Base 15 Quindecimal
6
615
Six in Base 15 Quindecimal
7
715
Seven in Base 15 Quindecimal

Scientific Notation

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

Reciprocal

A number multiplied with its reciprocal is one.

0.3b3b3b3b3b3b3b15

The reciprocal of 4 in Base 15 Quindecimal.

Palindrome?

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

The number 415 is a palindrome.

Not A Prime Number

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

Four is a composite number with 3 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Four is a composite number with 3 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 four has the following 1 prime factor:

2
215
Two in Base 15 Quindecimal

Prime Factorization

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

Base Conversions

The number four in 35 different bases