The Number

139

One Hundred and Thirty-Nine

In Base 2 Binary Is

100010112

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

For more familiar numbers: See One Hundred and Thirty-Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

136
100010002
One Hundred and Thirty-Six in Base 2 Binary
137
100010012
One Hundred and Thirty-Seven in Base 2 Binary
138
100010102
One Hundred and Thirty-Eight in Base 2 Binary
140
100011002
One Hundred and Forty in Base 2 Binary
141
100011012
One Hundred and Forty-One in Base 2 Binary
142
100011102
One Hundred and Forty-Two in Base 2 Binary

Scientific Notation

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

1.39e2

Reciprocal

A number multiplied with its reciprocal is one.

0.00000001110101110111101101100101010010111000001011000011012

The reciprocal of 139 in Base 2 Binary.

Palindrome?

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

The number 100010112 is not a palindrome.

A Prime Number

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

One hundred and thirty-nine is the 34th prime number.   See primes in Base 2 Binary

Not A Composite

Composites have more than just these two factors.

One Hundred and Thirty-Nine is not a composite number because it has exactly two factors: One and One Hundred and Thirty-Nine

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 thirty-nine has the following 1 prime factor:

139
100010112
One Hundred and Thirty-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

1000101121 = 100010112

Base Conversions

The number one hundred and thirty-nine in 35 different bases