The Number

169

One Hundred and Sixty-Nine

Nearby Numbers

Positive, nonzero integers within three units

166
One Hundred and Sixty-Six
167
One Hundred and Sixty-Seven
168
One Hundred and Sixty-Eight
170
One Hundred and Seventy
171
One Hundred and Seventy-One
172
One Hundred and Seventy-Two

Scientific Notation

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

1.69e2

Reciprocal

A number multiplied with its reciprocal is one.

0.005917159763313609

The reciprocal of 169.

Palindrome?

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

The number 169 is not a palindrome.

Not A Prime Number

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

One hundred and sixty-nine is a composite number with 3 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

One hundred and sixty-nine 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 one hundred and sixty-nine has the following 1 prime factor:

13
Thirteen

Prime Factorization

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

132 = 169

Base Conversions

The number one hundred and sixty-nine in 35 different bases