The Number

91

Ninety-One

In Base 15 Quindecimal Is

6115

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

For more familiar numbers: See Ninety-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

88
5d15
Eighty-Eight in Base 15 Quindecimal
89
5e15
Eighty-Nine in Base 15 Quindecimal
90
6015
Ninety in Base 15 Quindecimal
92
6215
Ninety-Two in Base 15 Quindecimal
93
6315
Ninety-Three in Base 15 Quindecimal
94
6415
Ninety-Four in Base 15 Quindecimal

Scientific Notation

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

9.1e1

Reciprocal

A number multiplied with its reciprocal is one.

0.02714ba8395e02815

The reciprocal of 91 in Base 15 Quindecimal.

Palindrome?

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

The number 6115 is not a palindrome.

Not A Prime Number

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

Ninety-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Ninety-one 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 ninety-one has the following 2 prime factors:

7
715
Seven in Base 15 Quindecimal
13
d15
Thirteen in Base 15 Quindecimal

Prime Factorization

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

7151 · d151 = 6115

Base Conversions

The number ninety-one in 35 different bases