The Number

45

Forty-Five

In Base 31 Untrigesimal Is

1e31

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

42
1b31
Forty-Two in Base 31 Untrigesimal
43
1c31
Forty-Three in Base 31 Untrigesimal
44
1d31
Forty-Four in Base 31 Untrigesimal
46
1f31
Forty-Six in Base 31 Untrigesimal
47
1g31
Forty-Seven in Base 31 Untrigesimal
48
1h31
Forty-Eight in Base 31 Untrigesimal

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.

0.0lb0lb0lb0la31

The reciprocal of 45 in Base 31 Untrigesimal.

Palindrome?

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

The number 1e31 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 31 Untrigesimal

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
331
Three in Base 31 Untrigesimal
5
531
Five in Base 31 Untrigesimal

Prime Factorization

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

3312 · 5311 = 1e31

Base Conversions

The number forty-five in 35 different bases