The Number

45

Forty-Five

In Base 21 Unovigesimal Is

2321

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

42
2021
Forty-Two in Base 21 Unovigesimal
43
2121
Forty-Three in Base 21 Unovigesimal
44
2221
Forty-Four in Base 21 Unovigesimal
46
2421
Forty-Six in Base 21 Unovigesimal
47
2521
Forty-Seven in Base 21 Unovigesimal
48
2621
Forty-Eight in Base 21 Unovigesimal

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.

0.09ggggggggggh21

The reciprocal of 45 in Base 21 Unovigesimal.

Palindrome?

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

The number 2321 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 21 Unovigesimal

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
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal

Prime Factorization

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

3212 · 5211 = 2321

Base Conversions

The number forty-five in 35 different bases