The Number

45

Forty-Five

In Base 16 Hexadecimal Is

2d16

The numbers with a 16 subscript use Base 16 Hexadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

42
2a16
Forty-Two in Base 16 Hexadecimal
43
2b16
Forty-Three in Base 16 Hexadecimal
44
2c16
Forty-Four in Base 16 Hexadecimal
46
2e16
Forty-Six in Base 16 Hexadecimal
47
2f16
Forty-Seven in Base 16 Hexadecimal
48
3016
Forty-Eight in Base 16 Hexadecimal

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.

0.05b05b05b05b05c16

The reciprocal of 45 in Base 16 Hexadecimal.

Palindrome?

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

The number 2d16 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 16 Hexadecimal

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
316
Three in Base 16 Hexadecimal
5
516
Five in Base 16 Hexadecimal

Prime Factorization

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

3162 · 5161 = 2d16

Base Conversions

The number forty-five in 35 different bases