The Number

90

Ninety

In Base 17 Septendecimal Is

5517

The numbers with a 17 subscript use Base 17 Septendecimal notation.

For more familiar numbers: See Ninety in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

87
5217
Eighty-Seven in Base 17 Septendecimal
88
5317
Eighty-Eight in Base 17 Septendecimal
89
5417
Eighty-Nine in Base 17 Septendecimal
91
5617
Ninety-One in Base 17 Septendecimal
92
5717
Ninety-Two in Base 17 Septendecimal
93
5817
Ninety-Three in Base 17 Septendecimal

Scientific Notation

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

9e1

Reciprocal

A number multiplied with its reciprocal is one.

0.033a033a033a03517

The reciprocal of 90 in Base 17 Septendecimal.

Palindrome?

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

The number 5517 is a palindrome.

Not A Prime Number

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

Ninety is a composite number with 12 total factors (including 1 and itself).   See primes in Base 17 Septendecimal

A Composite

Composites have more than just these two factors.

Ninety 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 ninety has the following 3 prime factors:

2
217
Two in Base 17 Septendecimal
3
317
Three in Base 17 Septendecimal
5
517
Five in Base 17 Septendecimal

Prime Factorization

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

2171 · 3172 · 5171 = 5517

Base Conversions

The number ninety in 35 different bases