The Number

45

Forty-Five

In Base 5 Quinary Is

1405

The numbers with a 5 subscript use Base 5 Quinary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

42
1325
Forty-Two in Base 5 Quinary
43
1335
Forty-Three in Base 5 Quinary
44
1345
Forty-Four in Base 5 Quinary
46
1415
Forty-Six in Base 5 Quinary
47
1425
Forty-Seven in Base 5 Quinary
48
1435
Forty-Eight in Base 5 Quinary

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.

0.00234210234210234210234215

The reciprocal of 45 in Base 5 Quinary.

Palindrome?

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

The number 1405 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 5 Quinary

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
35
Three in Base 5 Quinary
5
105
Five in Base 5 Quinary

Prime Factorization

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

352 · 1051 = 1405

Base Conversions

The number forty-five in 35 different bases