The Number

145

One Hundred and Forty-Five

In Base 18 Octodecimal Is

8118

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

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

Nearby Numbers

Positive, nonzero integers within three units

142
7g18
One Hundred and Forty-Two in Base 18 Octodecimal
143
7h18
One Hundred and Forty-Three in Base 18 Octodecimal
144
8018
One Hundred and Forty-Four in Base 18 Octodecimal
146
8218
One Hundred and Forty-Six in Base 18 Octodecimal
147
8318
One Hundred and Forty-Seven in Base 18 Octodecimal
148
8418
One 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.

1.45e2

Reciprocal

A number multiplied with its reciprocal is one.

0.0243h9121hd9a118

The reciprocal of 145 in Base 18 Octodecimal.

Palindrome?

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

The number 8118 is not a palindrome.

Not A Prime Number

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

One hundred and forty-five is a composite number with 4 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

One hundred and forty-five is a composite number with 4 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 one hundred and forty-five has the following 2 prime factors:

5
518
Five in Base 18 Octodecimal
29
1b18
Twenty-Nine 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 · 1b181 = 8118

Base Conversions

The number one hundred and forty-five in 35 different bases