The Number

4945

Four Thousand Nine Hundred and Forty-Five

In Base 18 Octodecimal Is

f4d18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

For more familiar numbers: See Four Thousand Nine Hundred and Forty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

4942
f4a18
Four Thousand Nine Hundred and Forty-Two in Base 18 Octodecimal
4943
f4b18
Four Thousand Nine Hundred and Forty-Three in Base 18 Octodecimal
4944
f4c18
Four Thousand Nine Hundred and Forty-Four in Base 18 Octodecimal
4946
f4e18
Four Thousand Nine Hundred and Forty-Six in Base 18 Octodecimal
4947
f4f18
Four Thousand Nine Hundred and Forty-Seven in Base 18 Octodecimal
4948
f4g18
Four Thousand Nine Hundred and Forty-Eight in Base 18 Octodecimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

4.945e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0013421fc3a17c5918

The reciprocal of 4945 in Base 18 Octodecimal.

Palindrome?

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

The number f4d18 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Four thousand nine hundred and forty-five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Four thousand nine hundred and forty-five is a composite number with 8 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 four thousand nine hundred and forty-five has the following 3 prime factors:

5
518
Five in Base 18 Octodecimal
23
1518
Twenty-Three in Base 18 Octodecimal
43
2718
Forty-Three in Base 18 Octodecimal

Prime Factorization

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

5181 · 15181 · 27181 = f4d18

Base Conversions

The number four thousand nine hundred and forty-five in 35 different bases