The Number

45

Forty-Five

In Base 19 Nonadecimal Is

2719

The numbers with a 19 subscript use Base 19 Nonadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

42
2419
Forty-Two in Base 19 Nonadecimal
43
2519
Forty-Three in Base 19 Nonadecimal
44
2619
Forty-Four in Base 19 Nonadecimal
46
2819
Forty-Six in Base 19 Nonadecimal
47
2919
Forty-Seven in Base 19 Nonadecimal
48
2a19
Forty-Eight in Base 19 Nonadecimal

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.

0.0808080808080819

The reciprocal of 45 in Base 19 Nonadecimal.

Palindrome?

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

The number 2719 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 19 Nonadecimal

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
319
Three in Base 19 Nonadecimal
5
519
Five in Base 19 Nonadecimal

Prime Factorization

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

3192 · 5191 = 2719

Base Conversions

The number forty-five in 35 different bases