78

Nearby Numbers

Positive, nonzero integers within three units

75
Seventy-Five
76
Seventy-Six
77
Seventy-Seven
79
Seventy-Nine
80
Eighty
81
Eighty-One

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.

`0.01282051282051282`

The reciprocal of 78.

Palindrome?

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

The number 78 is not a palindrome.

Not A Prime Number

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

Seventy-eight is a composite number with 8 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Seventy-eight 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 seventy-eight has the following 3 prime factors:

2
Two
3
Three
13
Thirteen

Prime Factorization

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

Base Conversions

The number seventy-eight in 35 different bases