The Number

123

One Hundred and Twenty-Three

In Base 2 Binary Is

11110112

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

For more familiar numbers: See One Hundred and Twenty-Three in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

120
11110002
One Hundred and Twenty in Base 2 Binary
121
11110012
One Hundred and Twenty-One in Base 2 Binary
122
11110102
One Hundred and Twenty-Two in Base 2 Binary
124
11111002
One Hundred and Twenty-Four in Base 2 Binary
125
11111012
One Hundred and Twenty-Five in Base 2 Binary
126
11111102
One Hundred and Twenty-Six in Base 2 Binary

Scientific Notation

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

1.23e2

Reciprocal

A number multiplied with its reciprocal is one.

0.000000100001010011010000001000010100110100000010000101001112

The reciprocal of 123 in Base 2 Binary.

Palindrome?

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

The number 11110112 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 twenty-three 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 twenty-three 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 twenty-three has the following 2 prime factors:

3
112
Three in Base 2 Binary
41
1010012
Forty-One in Base 2 Binary

Prime Factorization

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

1121 · 10100121 = 11110112

Base Conversions

The number one hundred and twenty-three in 35 different bases