The Number

78

Seventy-Eight

In Base 7 Septenary Is

1417

The numbers with a 7 subscript use Base 7 Septenary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

75
1357
Seventy-Five in Base 7 Septenary
76
1367
Seventy-Six in Base 7 Septenary
77
1407
Seventy-Seven in Base 7 Septenary
79
1427
Seventy-Nine in Base 7 Septenary
80
1437
Eighty in Base 7 Septenary
81
1447
Eighty-One in Base 7 Septenary

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.

0.0042532146360042532167

The reciprocal of 78 in Base 7 Septenary.

Palindrome?

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

The number 1417 is 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 7 Septenary

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
27
Two in Base 7 Septenary
3
37
Three in Base 7 Septenary
13
167
Thirteen in Base 7 Septenary

Prime Factorization

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

271 · 371 · 1671 = 1417

Base Conversions

The number seventy-eight in 35 different bases