The Number

78

Seventy-Eight

In Base 15 Quindecimal Is

5315

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

For more familiar numbers: See Seventy-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

75
5015
Seventy-Five in Base 15 Quindecimal
76
5115
Seventy-Six in Base 15 Quindecimal
77
5215
Seventy-Seven in Base 15 Quindecimal
79
5415
Seventy-Nine in Base 15 Quindecimal
80
5515
Eighty in Base 15 Quindecimal
81
5615
Eighty-One in Base 15 Quindecimal

Scientific Notation

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

7.8e1

Reciprocal

A number multiplied with its reciprocal is one.

0.02d4089c1ae652c715

The reciprocal of 78 in Base 15 Quindecimal.

Palindrome?

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

The number 5315 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 15 Quindecimal

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
215
Two in Base 15 Quindecimal
3
315
Three 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

2151 · 3151 · d151 = 5315

Base Conversions

The number seventy-eight in 35 different bases