The Number

145

One Hundred and Forty-Five

In Base 2 Binary Is

100100012

The numbers with a 2 subscript use Base 2 Binary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

142
100011102
One Hundred and Forty-Two in Base 2 Binary
143
100011112
One Hundred and Forty-Three in Base 2 Binary
144
100100002
One Hundred and Forty-Four in Base 2 Binary
146
100100102
One Hundred and Forty-Six in Base 2 Binary
147
100100112
One Hundred and Forty-Seven in Base 2 Binary
148
100101002
One Hundred and Forty-Eight in Base 2 Binary

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.

0.000000011100001111111000111100000001110000111111100011112

The reciprocal of 145 in Base 2 Binary.

Palindrome?

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

The number 100100012 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 2 Binary

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
1012
Five in Base 2 Binary
29
111012
Twenty-Nine in Base 2 Binary

Prime Factorization

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

10121 · 1110121 = 100100012

Base Conversions

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