The Number

123042

One Hundred and Twenty-Three Thousand and Forty-Two

In Base 18 Octodecimal Is

131dc18

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

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

Nearby Numbers

Positive, nonzero integers within three units

123039
131d918
One Hundred and Twenty-Three Thousand and Thirty-Nine in Base 18 Octodecimal
123040
131da18
One Hundred and Twenty-Three Thousand and Forty in Base 18 Octodecimal
123041
131db18
One Hundred and Twenty-Three Thousand and Forty-One in Base 18 Octodecimal
123043
131dd18
One Hundred and Twenty-Three Thousand and Forty-Three in Base 18 Octodecimal
123044
131de18
One Hundred and Twenty-Three Thousand and Forty-Four in Base 18 Octodecimal
123045
131df18
One Hundred and Twenty-Three Thousand and Forty-Five in Base 18 Octodecimal

Scientific Notation

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

1.23042e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000f67cac2dc24518

The reciprocal of 123042 in Base 18 Octodecimal.

Palindrome?

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

The number 131dc18 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 thousand and forty-two 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.

One hundred and twenty-three thousand and forty-two 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 one hundred and twenty-three thousand and forty-two has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
20507
395518
Twenty Thousand Five Hundred and Seven in Base 18 Octodecimal

Prime Factorization

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

2181 · 3181 · 3955181 = 131dc18

Base Conversions

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