The Number

45

Forty-Five

In Base 7 Septenary Is

637

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

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

Nearby Numbers

Positive, nonzero integers within three units

42
607
Forty-Two in Base 7 Septenary
43
617
Forty-Three in Base 7 Septenary
44
627
Forty-Four in Base 7 Septenary
46
647
Forty-Six in Base 7 Septenary
47
657
Forty-Seven in Base 7 Septenary
48
667
Forty-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.

4.5e1

Reciprocal

A number multiplied with its reciprocal is one.

0.01042326455201042337

The reciprocal of 45 in Base 7 Septenary.

Palindrome?

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

The number 637 is not a palindrome.

Not A Prime Number

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

Forty-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.

Forty-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 forty-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

372 · 571 = 637

Base Conversions

The number forty-five in 35 different bases