The Number

75

Seventy-Five

In Base 7 Septenary Is

1357

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

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

Nearby Numbers

Positive, nonzero integers within three units

72
1327
Seventy-Two in Base 7 Septenary
73
1337
Seventy-Three in Base 7 Septenary
74
1347
Seventy-Four in Base 7 Septenary
76
1367
Seventy-Six in Base 7 Septenary
77
1407
Seventy-Seven in Base 7 Septenary
78
1417
Seventy-Eight in Base 7 Septenary

Scientific Notation

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

7.5e1

Reciprocal

A number multiplied with its reciprocal is one.

0.004400440044004400447

The reciprocal of 75 in Base 7 Septenary.

Palindrome?

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

The number 1357 is not a palindrome.

Not A Prime Number

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

Seventy-five is a composite number with 6 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Seventy-five is a composite number with 6 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-five has the following 2 prime factors:

3
37
Three in Base 7 Septenary
5
57
Five in Base 7 Septenary

Prime Factorization

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

371 · 572 = 1357

Base Conversions

The number seventy-five in 35 different bases