The Number

78

Seventy-Eight

In Base 20 Vigesimal Is

3i20

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

75
3f20
Seventy-Five in Base 20 Vigesimal
76
3g20
Seventy-Six in Base 20 Vigesimal
77
3h20
Seventy-Seven in Base 20 Vigesimal
79
3j20
Seventy-Nine in Base 20 Vigesimal
80
4020
Eighty in Base 20 Vigesimal
81
4120
Eighty-One in Base 20 Vigesimal

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.

0.052b5cg84210a320

The reciprocal of 78 in Base 20 Vigesimal.

Palindrome?

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

The number 3i20 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 20 Vigesimal

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
220
Two in Base 20 Vigesimal
3
320
Three in Base 20 Vigesimal
13
d20
Thirteen in Base 20 Vigesimal

Prime Factorization

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

2201 · 3201 · d201 = 3i20

Base Conversions

The number seventy-eight in 35 different bases