The Number

30

Thirty

In Base 15 Quindecimal Is

2015

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

For more familiar numbers: See Thirty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

27
1c15
Twenty-Seven in Base 15 Quindecimal
28
1d15
Twenty-Eight in Base 15 Quindecimal
29
1e15
Twenty-Nine in Base 15 Quindecimal
31
2115
Thirty-One in Base 15 Quindecimal
32
2215
Thirty-Two in Base 15 Quindecimal
33
2315
Thirty-Three in Base 15 Quindecimal

Scientific Notation

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

3e1

Reciprocal

A number multiplied with its reciprocal is one.

0.07777777777777815

The reciprocal of 30 in Base 15 Quindecimal.

Palindrome?

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

The number 2015 is not a palindrome.

Not A Prime Number

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

Thirty is a composite number with 8 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Thirty 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 thirty has the following 3 prime factors:

2
215
Two in Base 15 Quindecimal
3
315
Three in Base 15 Quindecimal
5
515
Five in Base 15 Quindecimal

Prime Factorization

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

2151 · 3151 · 5151 = 2015

Base Conversions

The number thirty in 35 different bases