The Number

45

Forty-Five

In Base 11 Undecimal Is

4111

The numbers with a 11 subscript use Base 11 Undecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

42
3911
Forty-Two in Base 11 Undecimal
43
3a11
Forty-Three in Base 11 Undecimal
44
4011
Forty-Four in Base 11 Undecimal
46
4211
Forty-Six in Base 11 Undecimal
47
4311
Forty-Seven in Base 11 Undecimal
48
4411
Forty-Eight in Base 11 Undecimal

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.

0.02763a02763a0276511

The reciprocal of 45 in Base 11 Undecimal.

Palindrome?

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

The number 4111 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 11 Undecimal

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
311
Three in Base 11 Undecimal
5
511
Five in Base 11 Undecimal

Prime Factorization

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

3112 · 5111 = 4111

Base Conversions

The number forty-five in 35 different bases